Move code from res_features into (new file) main/features.c

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@100039 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 0 insertions, 3448 deletions

diff --git a/res/res_features.c b/res/res_features.c
deleted file mode 100644
index c6f68124e..000000000
--- a/res/res_features.c
+++ /dev/null
@@ -1,3448 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2006, Digium, Inc.
- *
- * Mark Spencer <markster@digium.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*! \file
- *
- * \brief Routines implementing call features as call pickup, parking and transfer
- *
- * \author Mark Spencer <markster@digium.com> 
- */
-
-/*** MODULEINFO
-        <depend>chan_local</depend>
- ***/
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include <pthread.h>
-#include <sys/time.h>
-#include <sys/signal.h>
-#include <netinet/in.h>
-
-#include "asterisk/lock.h"
-#include "asterisk/file.h"
-#include "asterisk/channel.h"
-#include "asterisk/pbx.h"
-#include "asterisk/causes.h"
-#include "asterisk/module.h"
-#include "asterisk/translate.h"
-#include "asterisk/app.h"
-#include "asterisk/say.h"
-#include "asterisk/features.h"
-#include "asterisk/musiconhold.h"
-#include "asterisk/config.h"
-#include "asterisk/cli.h"
-#include "asterisk/manager.h"
-#include "asterisk/utils.h"
-#include "asterisk/adsi.h"
-#include "asterisk/devicestate.h"
-#include "asterisk/monitor.h"
-#include "asterisk/audiohook.h"
-
-#define DEFAULT_PARK_TIME 45000
-#define DEFAULT_TRANSFER_DIGIT_TIMEOUT 3000
-#define DEFAULT_FEATURE_DIGIT_TIMEOUT 500
-#define DEFAULT_NOANSWER_TIMEOUT_ATTENDED_TRANSFER 15000
-#define DEFAULT_ATXFER_DROP_CALL 0
-#define DEFAULT_ATXFER_LOOP_DELAY 10000
-#define DEFAULT_ATXFER_CALLBACK_RETRIES 2
-
-#define AST_MAX_WATCHERS 256
-
-enum {
-	AST_FEATURE_FLAG_NEEDSDTMF = (1 << 0),
-	AST_FEATURE_FLAG_ONPEER =    (1 << 1),
-	AST_FEATURE_FLAG_ONSELF =    (1 << 2),
-	AST_FEATURE_FLAG_BYCALLEE =  (1 << 3),
-	AST_FEATURE_FLAG_BYCALLER =  (1 << 4),
-	AST_FEATURE_FLAG_BYBOTH	 =   (3 << 3),
-};
-
-struct feature_group_exten {
-	AST_LIST_ENTRY(feature_group_exten) entry;
-	AST_DECLARE_STRING_FIELDS(
-		AST_STRING_FIELD(exten);
-	);
-	struct ast_call_feature *feature;
-};
-
-struct feature_group {
-	AST_LIST_ENTRY(feature_group) entry;
-	AST_DECLARE_STRING_FIELDS(
-		AST_STRING_FIELD(gname);
-	);
-	AST_LIST_HEAD_NOLOCK(, feature_group_exten) features;
-};
-
-static AST_RWLIST_HEAD_STATIC(feature_groups, feature_group);
-
-static char *parkedcall = "ParkedCall";
-
-static int parkaddhints = 0;                               /*!< Add parking hints automatically */
-static int parkedcalltransfers = 0;                        /*!< Enable DTMF based transfers on bridge when picking up parked calls */
-static int parkedcallreparking = 0;                        /*!< Enable DTMF based parking on bridge when picking up parked calls */
-static int parkingtime = DEFAULT_PARK_TIME;                /*!< No more than 45 seconds parked before you do something with them */
-static char parking_con[AST_MAX_EXTENSION];                /*!< Context for which parking is made accessible */
-static char parking_con_dial[AST_MAX_EXTENSION];           /*!< Context for dialback for parking (KLUDGE) */
-static char parking_ext[AST_MAX_EXTENSION];                /*!< Extension you type to park the call */
-static char pickup_ext[AST_MAX_EXTENSION];                 /*!< Call pickup extension */
-static char parkmohclass[MAX_MUSICCLASS];                  /*!< Music class used for parking */
-static int parking_start;                                  /*!< First available extension for parking */
-static int parking_stop;                                   /*!< Last available extension for parking */
-
-static char courtesytone[256];                             /*!< Courtesy tone */
-static int parkedplay = 0;                                 /*!< Who to play the courtesy tone to */
-static char xfersound[256];                                /*!< Call transfer sound */
-static char xferfailsound[256];                            /*!< Call transfer failure sound */
-
-static int parking_offset;
-static int parkfindnext;
-
-static int adsipark;
-
-static int transferdigittimeout;
-static int featuredigittimeout;
-static int comebacktoorigin = 1;
-
-static int atxfernoanswertimeout;
-static unsigned int atxferdropcall;
-static unsigned int atxferloopdelay;
-static unsigned int atxfercallbackretries;
-
-static char *registrar = "res_features";		   /*!< Registrar for operations */
-
-/* module and CLI command definitions */
-static char *synopsis = "Answer a parked call";
-
-static char *descrip = "ParkedCall(exten): "
-"Used to connect to a parked call.  This application is always\n"
-"registered internally and does not need to be explicitly added\n"
-"into the dialplan, although you should include the 'parkedcalls'\n"
-"context.  If no extension is provided, then the first available\n"
-"parked call will be acquired.\n";
-
-static char *parkcall = "Park";
-
-static char *synopsis2 = "Park yourself";
-
-static char *descrip2 = "Park(): "
-"Used to park yourself (typically in combination with a supervised\n"
-"transfer to know the parking space). This application is always\n"
-"registered internally and does not need to be explicitly added\n"
-"into the dialplan, although you should include the 'parkedcalls'\n"
-"context (or the context specified in features.conf).\n\n"
-"If you set the PARKINGEXTEN variable to an extension in your\n"
-"parking context, Park() will park the call on that extension, unless\n"
-"it already exists. In that case, execution will continue at next\n"
-"priority.\n" ;
-
-static struct ast_app *monitor_app = NULL;
-static int monitor_ok = 1;
-
-static struct ast_app *mixmonitor_app = NULL;
-static int mixmonitor_ok = 1;
-
-static struct ast_app *stopmixmonitor_app = NULL;
-static int stopmixmonitor_ok = 1;
-
-struct parkeduser {
-	struct ast_channel *chan;                   /*!< Parking channel */
-	struct timeval start;                       /*!< Time the parking started */
-	int parkingnum;                             /*!< Parking lot */
-	char parkingexten[AST_MAX_EXTENSION];       /*!< If set beforehand, parking extension used for this call */
-	char context[AST_MAX_CONTEXT];              /*!< Where to go if our parking time expires */
-	char exten[AST_MAX_EXTENSION];
-	int priority;
-	int parkingtime;                            /*!< Maximum length in parking lot before return */
-	int notquiteyet;
-	char peername[1024];
-	unsigned char moh_trys;
-	AST_LIST_ENTRY(parkeduser) list;
-};
-
-static AST_LIST_HEAD_STATIC(parkinglot, parkeduser);
-
-static pthread_t parking_thread;
-
-const char *ast_parking_ext(void)
-{
-	return parking_ext;
-}
-
-const char *ast_pickup_ext(void)
-{
-	return pickup_ext;
-}
-
-struct ast_bridge_thread_obj 
-{
-	struct ast_bridge_config bconfig;
-	struct ast_channel *chan;
-	struct ast_channel *peer;
-	unsigned int return_to_pbx:1;
-};
-
-
-
-/*!
- * \brief store context, extension and priority 
- * \param chan, context, ext, pri
-*/
-static void set_c_e_p(struct ast_channel *chan, const char *context, const char *ext, int pri)
-{
-	ast_copy_string(chan->context, context, sizeof(chan->context));
-	ast_copy_string(chan->exten, ext, sizeof(chan->exten));
-	chan->priority = pri;
-}
-
-/*!
- * \brief Check goto on transfer
- * \param chan
- *
- * Check if channel has 'GOTO_ON_BLINDXFR' set, if not exit.
- * When found make sure the types are compatible. Check if channel is valid
- * if so start the new channel else hangup the call. 
-*/
-static void check_goto_on_transfer(struct ast_channel *chan) 
-{
-	struct ast_channel *xferchan;
-	const char *val = pbx_builtin_getvar_helper(chan, "GOTO_ON_BLINDXFR");
-	char *x, *goto_on_transfer;
-	struct ast_frame *f;
-
-	if (ast_strlen_zero(val))
-		return;
-
-	goto_on_transfer = ast_strdupa(val);
-
-	if (!(xferchan = ast_channel_alloc(0, AST_STATE_DOWN, 0, 0, "", "", "", 0, chan->name)))
-		return;
-
-	for (x = goto_on_transfer; x && *x; x++) {
-		if (*x == '^')
-			*x = '|';
-	}
-	/* Make formats okay */
-	xferchan->readformat = chan->readformat;
-	xferchan->writeformat = chan->writeformat;
-	ast_channel_masquerade(xferchan, chan);
-	ast_parseable_goto(xferchan, goto_on_transfer);
-	xferchan->_state = AST_STATE_UP;
-	ast_clear_flag(xferchan, AST_FLAGS_ALL);	
-	xferchan->_softhangup = 0;
-	if ((f = ast_read(xferchan))) {
-		ast_frfree(f);
-		f = NULL;
-		ast_pbx_start(xferchan);
-	} else {
-		ast_hangup(xferchan);
-	}
-}
-
-static struct ast_channel *ast_feature_request_and_dial(struct ast_channel *caller, struct ast_channel *transferee, const char *type, int format, void *data, int timeout, int *outstate, const char *cid_num, const char *cid_name, int igncallerstate);
-
-/*!
- * \brief bridge the call 
- * \param data thread bridge.
- *
- * Set Last Data for respective channels, reset cdr for channels
- * bridge call, check if we're going back to dialplan
- * if not hangup both legs of the call
-*/
-static void *ast_bridge_call_thread(void *data) 
-{
-	struct ast_bridge_thread_obj *tobj = data;
-	int res;
-
-	tobj->chan->appl = !tobj->return_to_pbx ? "Transferred Call" : "ManagerBridge";
-	tobj->chan->data = tobj->peer->name;
-	tobj->peer->appl = !tobj->return_to_pbx ? "Transferred Call" : "ManagerBridge";
-	tobj->peer->data = tobj->chan->name;
-
-	if (tobj->chan->cdr) {
-		ast_cdr_reset(tobj->chan->cdr, NULL);
-		ast_cdr_setdestchan(tobj->chan->cdr, tobj->peer->name);
-	}
-	if (tobj->peer->cdr) {
-		ast_cdr_reset(tobj->peer->cdr, NULL);
-		ast_cdr_setdestchan(tobj->peer->cdr, tobj->chan->name);
-	}
-
-	ast_bridge_call(tobj->peer, tobj->chan, &tobj->bconfig);
-
-	if (tobj->return_to_pbx) {
-		if (!ast_check_hangup(tobj->peer)) {
-			ast_log(LOG_VERBOSE, "putting peer %s into PBX again\n", tobj->peer->name);
-			res = ast_pbx_start(tobj->peer);
-			if (res != AST_PBX_SUCCESS)
-				ast_log(LOG_WARNING, "FAILED continuing PBX on peer %s\n", tobj->peer->name);
-		} else
-			ast_hangup(tobj->peer);
-		if (!ast_check_hangup(tobj->chan)) {
-			ast_log(LOG_VERBOSE, "putting chan %s into PBX again\n", tobj->chan->name);
-			res = ast_pbx_start(tobj->chan);
-			if (res != AST_PBX_SUCCESS)
-				ast_log(LOG_WARNING, "FAILED continuing PBX on chan %s\n", tobj->chan->name);
-		} else
-			ast_hangup(tobj->chan);
-	} else {
-		ast_hangup(tobj->chan);
-		ast_hangup(tobj->peer);
-	}
-
-	ast_free(tobj);
-
-	return NULL;
-}
-
-/*!
- * \brief create thread for the parked call
- * \param data
- *
- * Create thread and attributes, call ast_bridge_call_thread
-*/
-static void ast_bridge_call_thread_launch(void *data) 
-{
-	pthread_t thread;
-	pthread_attr_t attr;
-	struct sched_param sched;
-
-	pthread_attr_init(&attr);
-	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-	ast_pthread_create(&thread, &attr,ast_bridge_call_thread, data);
-	pthread_attr_destroy(&attr);
-	memset(&sched, 0, sizeof(sched));
-	pthread_setschedparam(thread, SCHED_RR, &sched);
-}
-
-/*!
- * \brief Announce call parking by ADSI
- * \param chan .
- * \param parkingexten .
- * Create message to show for ADSI, display message.
- * \retval 0 on success.
- * \retval -1 on failure.
-*/
-static int adsi_announce_park(struct ast_channel *chan, char *parkingexten)
-{
-	int res;
-	int justify[5] = {ADSI_JUST_CENT, ADSI_JUST_CENT, ADSI_JUST_CENT, ADSI_JUST_CENT};
-	char tmp[256];
-	char *message[5] = {NULL, NULL, NULL, NULL, NULL};
-
-	snprintf(tmp, sizeof(tmp), "Parked on %s", parkingexten);
-	message[0] = tmp;
-	res = ast_adsi_load_session(chan, NULL, 0, 1);
-	if (res == -1)
-		return res;
-	return ast_adsi_print(chan, message, justify, 1);
-}
-
-/*! \brief Notify metermaids that we've changed an extension */
-static void notify_metermaids(const char *exten, char *context, enum ast_device_state state)
-{
-	ast_debug(4, "Notification of state change to metermaids %s@%s\n to state '%s'", 
-		exten, context, devstate2str(state));
-
-	ast_devstate_changed(state, "park:%s@%s", exten, context);
-}
-
-/*! \brief metermaids callback from devicestate.c */
-static enum ast_device_state metermaidstate(const char *data)
-{
-	char *context;
-	char *exten;
-
-	context = ast_strdupa(data);
-
-	exten = strsep(&context, "@");
-	if (!context)
-		return AST_DEVICE_INVALID;
-	
-	ast_debug(4, "Checking state of exten %s in context %s\n", exten, context);
-
-	if (!ast_exists_extension(NULL, context, exten, 1, NULL))
-		return AST_DEVICE_NOT_INUSE;
-
-	return AST_DEVICE_INUSE;
-}
-
-/* Park a call */
-static int park_call_full(struct ast_channel *chan, struct ast_channel *peer, int timeout, int *extout, char *orig_chan_name)
-{
-	struct parkeduser *pu, *cur;
-	int i, x = -1, parking_range;
-	struct ast_context *con;
-	const char *parkingexten;
-	
-	/* Allocate memory for parking data */
-	if (!(pu = ast_calloc(1, sizeof(*pu)))) 
-		return -1;
-
-	/* Lock parking lot */
-	AST_LIST_LOCK(&parkinglot);
-	/* Check for channel variable PARKINGEXTEN */
-	parkingexten = pbx_builtin_getvar_helper(chan, "PARKINGEXTEN");
-	if (!ast_strlen_zero(parkingexten)) {
-		if (ast_exists_extension(NULL, parking_con, parkingexten, 1, NULL)) {
-			AST_LIST_UNLOCK(&parkinglot);
-			ast_free(pu);
-			ast_log(LOG_WARNING, "Requested parking extension already exists: %s@%s\n", parkingexten, parking_con);
-			return 1;	/* Continue execution if possible */
-		}
-		ast_copy_string(pu->parkingexten, parkingexten, sizeof(pu->parkingexten));
-		x = atoi(parkingexten);
-	} else {
-		/* Select parking space within range */
-		parking_range = parking_stop - parking_start+1;
-		for (i = 0; i < parking_range; i++) {
-			x = (i + parking_offset) % parking_range + parking_start;
-			AST_LIST_TRAVERSE(&parkinglot, cur, list) {
-				if (cur->parkingnum == x)
-					break;
-			}
-			if (!cur)
-				break;
-		}
-
-		if (!(i < parking_range)) {
-			ast_log(LOG_WARNING, "No more parking spaces\n");
-			ast_free(pu);
-			AST_LIST_UNLOCK(&parkinglot);
-			return -1;
-		}
-		/* Set pointer for next parking */
-		if (parkfindnext) 
-			parking_offset = x - parking_start + 1;
-	}
-	
-	chan->appl = "Parked Call";
-	chan->data = NULL; 
-
-	pu->chan = chan;
-	
-	/* Put the parked channel on hold if we have two different channels */
-	if (chan != peer) {
-		ast_indicate_data(pu->chan, AST_CONTROL_HOLD, 
-			S_OR(parkmohclass, NULL),
-			!ast_strlen_zero(parkmohclass) ? strlen(parkmohclass) + 1 : 0);
-	}
-	
-	pu->start = ast_tvnow();
-	pu->parkingnum = x;
-	pu->parkingtime = (timeout > 0) ? timeout : parkingtime;
-	if (extout)
-		*extout = x;
-
-	if (peer) 
-		ast_copy_string(pu->peername, peer->name, sizeof(pu->peername));
-
-	/* Remember what had been dialed, so that if the parking
-	   expires, we try to come back to the same place */
-	ast_copy_string(pu->context, S_OR(chan->macrocontext, chan->context), sizeof(pu->context));
-	ast_copy_string(pu->exten, S_OR(chan->macroexten, chan->exten), sizeof(pu->exten));
-	pu->priority = chan->macropriority ? chan->macropriority : chan->priority;
-	AST_LIST_INSERT_TAIL(&parkinglot, pu, list);
-
-	/* If parking a channel directly, don't quiet yet get parking running on it */
-	if (peer == chan) 
-		pu->notquiteyet = 1;
-	AST_LIST_UNLOCK(&parkinglot);
-	/* Wake up the (presumably select()ing) thread */
-	pthread_kill(parking_thread, SIGURG);
-	ast_verb(2, "Parked %s on %d@%s. Will timeout back to extension [%s] %s, %d in %d seconds\n", pu->chan->name, pu->parkingnum, parking_con, pu->context, pu->exten, pu->priority, (pu->parkingtime/1000));
-
-	if (pu->parkingnum != -1)
-		snprintf(pu->parkingexten, sizeof(pu->parkingexten), "%d", x);
-	manager_event(EVENT_FLAG_CALL, "ParkedCall",
-		"Exten: %s\r\n"
-		"Channel: %s\r\n"
-		"From: %s\r\n"
-		"Timeout: %ld\r\n"
-		"CallerIDNum: %s\r\n"
-		"CallerIDName: %s\r\n",
-		pu->parkingexten, pu->chan->name, peer ? peer->name : "",
-		(long)pu->start.tv_sec + (long)(pu->parkingtime/1000) - (long)time(NULL),
-		S_OR(pu->chan->cid.cid_num, "<unknown>"),
-		S_OR(pu->chan->cid.cid_name, "<unknown>")
-		);
-
-	if (peer && adsipark && ast_adsi_available(peer)) {
-		adsi_announce_park(peer, pu->parkingexten);	/* Only supports parking numbers */
-		ast_adsi_unload_session(peer);
-	}
-
-	con = ast_context_find(parking_con);
-	if (!con) 
-		con = ast_context_create(NULL, parking_con, registrar);
-	if (!con)	/* Still no context? Bad */
-		ast_log(LOG_ERROR, "Parking context '%s' does not exist and unable to create\n", parking_con);
-	/* Tell the peer channel the number of the parking space */
-	if (peer && ((pu->parkingnum != -1 && ast_strlen_zero(orig_chan_name)) || !strcasecmp(peer->name, orig_chan_name))) { /* Only say number if it's a number and the channel hasn't been masqueraded away */
-		/* Make sure we don't start saying digits to the channel being parked */
-		ast_set_flag(peer, AST_FLAG_MASQ_NOSTREAM);
-		ast_say_digits(peer, pu->parkingnum, "", peer->language);
-		ast_clear_flag(peer, AST_FLAG_MASQ_NOSTREAM);
-	}
-	if (con) {
-		if (!ast_add_extension2(con, 1, pu->parkingexten, 1, NULL, NULL, parkedcall, ast_strdup(pu->parkingexten), ast_free_ptr, registrar))
-			notify_metermaids(pu->parkingexten, parking_con, AST_DEVICE_INUSE);
-	}
-	if (pu->notquiteyet) {
-		/* Wake up parking thread if we're really done */
-		ast_indicate_data(pu->chan, AST_CONTROL_HOLD, 
-			S_OR(parkmohclass, NULL),
-			!ast_strlen_zero(parkmohclass) ? strlen(parkmohclass) + 1 : 0);
-		pu->notquiteyet = 0;
-		pthread_kill(parking_thread, SIGURG);
-	}
-	return 0;
-}
-
-/*! \brief Park a call */
-int ast_park_call(struct ast_channel *chan, struct ast_channel *peer, int timeout, int *extout)
-{
-	return park_call_full(chan, peer, timeout, extout, NULL);
-}
-
-/* Park call via masquraded channel */
-int ast_masq_park_call(struct ast_channel *rchan, struct ast_channel *peer, int timeout, int *extout)
-{
-	struct ast_channel *chan;
-	struct ast_frame *f;
-
-	/* Make a new, fake channel that we'll use to masquerade in the real one */
-	if (!(chan = ast_channel_alloc(0, AST_STATE_DOWN, 0, 0, rchan->accountcode, rchan->exten, rchan->context, rchan->amaflags, "Parked/%s",rchan->name))) {
-		ast_log(LOG_WARNING, "Unable to create parked channel\n");
-		return -1;
-	}
-
-	/* Make formats okay */
-	chan->readformat = rchan->readformat;
-	chan->writeformat = rchan->writeformat;
-	ast_channel_masquerade(chan, rchan);
-
-	/* Setup the extensions and such */
-	set_c_e_p(chan, rchan->context, rchan->exten, rchan->priority);
-
-	/* Make the masq execute */
-	f = ast_read(chan);
-	if (f)
-		ast_frfree(f);
-
-	ast_park_call(chan, peer, timeout, extout);
-	return 0;
-}
-
-
-#define FEATURE_RETURN_HANGUP		-1
-#define FEATURE_RETURN_SUCCESSBREAK	 0
-#define FEATURE_RETURN_PBX_KEEPALIVE	AST_PBX_KEEPALIVE
-#define FEATURE_RETURN_NO_HANGUP_PEER	AST_PBX_NO_HANGUP_PEER
-#define FEATURE_RETURN_PASSDIGITS	 21
-#define FEATURE_RETURN_STOREDIGITS	 22
-#define FEATURE_RETURN_SUCCESS	 	 23
-#define FEATURE_RETURN_KEEPTRYING    24
-
-#define FEATURE_SENSE_CHAN	(1 << 0)
-#define FEATURE_SENSE_PEER	(1 << 1)
-
-/*! 
- * \brief set caller and callee according to the direction 
- * \param caller, callee, peer, chan, sense
- *
- * Detect who triggered feature and set callee/caller variables accordingly
-*/
-static void set_peers(struct ast_channel **caller, struct ast_channel **callee,
-	struct ast_channel *peer, struct ast_channel *chan, int sense)
-{
-	if (sense == FEATURE_SENSE_PEER) {
-		*caller = peer;
-		*callee = chan;
-	} else {
-		*callee = peer;
-		*caller = chan;
-	}
-}
-
-/*! 
- * \brief support routing for one touch call parking
- * \param chan channel parking call
- * \param peer channel to be parked
- * \param config unsed
- * \param code unused
- * \param sense feature options
- *
- * \param data
- * Setup channel, set return exten,priority to 's,1'
- * answer chan, sleep chan, park call
-*/
-static int builtin_parkcall(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
-{
-	struct ast_channel *parker;
-        struct ast_channel *parkee;
-	int res = 0;
-	struct ast_module_user *u;
-
-	u = ast_module_user_add(chan);
-
-	set_peers(&parker, &parkee, peer, chan, sense);
-	/* Setup the exten/priority to be s/1 since we don't know
-	   where this call should return */
-	strcpy(chan->exten, "s");
-	chan->priority = 1;
-	if (chan->_state != AST_STATE_UP)
-		res = ast_answer(chan);
-	if (!res)
-		res = ast_safe_sleep(chan, 1000);
-	if (!res)
-		res = ast_park_call(parkee, parker, 0, NULL);
-
-	ast_module_user_remove(u);
-
-	if (!res) {
-		if (sense == FEATURE_SENSE_CHAN)
-			res = AST_PBX_NO_HANGUP_PEER;
-		else
-			res = AST_PBX_KEEPALIVE;
-	}
-	return res;
-
-}
-
-/*!
- * \brief Monitor a channel by DTMF
- * \param chan channel requesting monitor
- * \param peer channel to be monitored
- * \param config
- * \param code
- * \param sense feature options
- *
- * \param data
- * Check monitor app enabled, setup channels, both caller/callee chans not null
- * get TOUCH_MONITOR variable for filename if exists, exec monitor app.
- * \retval FEATURE_RETURN_SUCCESS on success.
- * \retval -1 on error.
-*/
-static int builtin_automonitor(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
-{
-	char *caller_chan_id = NULL, *callee_chan_id = NULL, *args = NULL, *touch_filename = NULL;
-	int x = 0;
-	size_t len;
-	struct ast_channel *caller_chan, *callee_chan;
-
-	if (!monitor_ok) {
-		ast_log(LOG_ERROR,"Cannot record the call. The monitor application is disabled.\n");
-		return -1;
-	}
-
-	if (!monitor_app && !(monitor_app = pbx_findapp("Monitor"))) {
-		monitor_ok = 0;
-		ast_log(LOG_ERROR,"Cannot record the call. The monitor application is disabled.\n");
-		return -1;
-	}
-
-	set_peers(&caller_chan, &callee_chan, peer, chan, sense);
-
-	if (!ast_strlen_zero(courtesytone)) {
-		if (ast_autoservice_start(callee_chan))
-			return -1;
-		if (ast_stream_and_wait(caller_chan, courtesytone, "")) {
-			ast_log(LOG_WARNING, "Failed to play courtesy tone!\n");
-			ast_autoservice_stop(callee_chan);
-			return -1;
-		}
-		if (ast_autoservice_stop(callee_chan))
-			return -1;
-	}
-	
-	if (callee_chan->monitor) {
-		ast_verb(4, "User hit '%s' to stop recording call.\n", code);
-		ast_monitor_stop(callee_chan, 1);
-		return FEATURE_RETURN_SUCCESS;
-	}
-
-	if (caller_chan && callee_chan) {
-		const char *touch_format = pbx_builtin_getvar_helper(caller_chan, "TOUCH_MONITOR_FORMAT");
-		const char *touch_monitor = pbx_builtin_getvar_helper(caller_chan, "TOUCH_MONITOR");
-		const char *touch_monitor_prefix = pbx_builtin_getvar_helper(caller_chan, "TOUCH_MONITOR_PREFIX");
-
-		if (!touch_format)
-			touch_format = pbx_builtin_getvar_helper(callee_chan, "TOUCH_MONITOR_FORMAT");
-
-		if (!touch_monitor)
-			touch_monitor = pbx_builtin_getvar_helper(callee_chan, "TOUCH_MONITOR");
-	
-		if (!touch_monitor_prefix)
-			touch_monitor_prefix = pbx_builtin_getvar_helper(callee_chan, "TOUCH_MONITOR_PREFIX");
-	
-		if (touch_monitor) {
-			len = strlen(touch_monitor) + 50;
-			args = alloca(len);
-			touch_filename = alloca(len);
-			snprintf(touch_filename, len, "%s-%ld-%s", S_OR(touch_monitor_prefix, "auto"), (long)time(NULL), touch_monitor);
-			snprintf(args, len, "%s|%s|m", S_OR(touch_format, "wav"), touch_filename);
-		} else {
-			caller_chan_id = ast_strdupa(S_OR(caller_chan->cid.cid_num, caller_chan->name));
-			callee_chan_id = ast_strdupa(S_OR(callee_chan->cid.cid_num, callee_chan->name));
-			len = strlen(caller_chan_id) + strlen(callee_chan_id) + 50;
-			args = alloca(len);
-			touch_filename = alloca(len);
-			snprintf(touch_filename, len, "%s-%ld-%s-%s", S_OR(touch_monitor_prefix, "auto"), (long)time(NULL), caller_chan_id, callee_chan_id);
-			snprintf(args, len, "%s|%s|m", S_OR(touch_format, "wav"), touch_filename);
-		}
-
-		for(x = 0; x < strlen(args); x++) {
-			if (args[x] == '/')
-				args[x] = '-';
-		}
-		
-		ast_verb(4, "User hit '%s' to record call. filename: %s\n", code, args);
-
-		pbx_exec(callee_chan, monitor_app, args);
-		pbx_builtin_setvar_helper(callee_chan, "TOUCH_MONITOR_OUTPUT", touch_filename);
-		pbx_builtin_setvar_helper(caller_chan, "TOUCH_MONITOR_OUTPUT", touch_filename);
-	
-		return FEATURE_RETURN_SUCCESS;
-	}
-	
-	ast_log(LOG_NOTICE,"Cannot record the call. One or both channels have gone away.\n");	
-	return -1;
-}
-
-static int builtin_automixmonitor(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
-{
-	char *caller_chan_id = NULL, *callee_chan_id = NULL, *args = NULL, *touch_filename = NULL;
-	int x = 0;
-	size_t len;
-	struct ast_channel *caller_chan, *callee_chan;
-	const char *mixmonitor_spy_type = "MixMonitor";
-	int count = 0;
-
-	if (!mixmonitor_ok) {
-		ast_log(LOG_ERROR,"Cannot record the call. The mixmonitor application is disabled.\n");
-		return -1;
-	}
-
-	if (!(mixmonitor_app = pbx_findapp("MixMonitor"))) {
-		mixmonitor_ok = 0;
-		ast_log(LOG_ERROR,"Cannot record the call. The mixmonitor application is disabled.\n");
-		return -1;
-	}
-
-	set_peers(&caller_chan, &callee_chan, peer, chan, sense);
-
-	if (!ast_strlen_zero(courtesytone)) {
-		if (ast_autoservice_start(callee_chan))
-			return -1;
-		if (ast_stream_and_wait(caller_chan, courtesytone, "")) {
-			ast_log(LOG_WARNING, "Failed to play courtesy tone!\n");
-			ast_autoservice_stop(callee_chan);
-			return -1;
-		}
-		if (ast_autoservice_stop(callee_chan))
-			return -1;
-	}
-
-	ast_channel_lock(callee_chan);
-	count = ast_channel_audiohook_count_by_source(callee_chan, mixmonitor_spy_type, AST_AUDIOHOOK_TYPE_SPY);
-	ast_channel_unlock(callee_chan);
-
-	// This means a mixmonitor is attached to the channel, running or not is unknown.
-	if (count > 0) {
-		
-		ast_verb(3, "User hit '%s' to stop recording call.\n", code);
-
-		//Make sure they are running
-		ast_channel_lock(callee_chan);
-		count = ast_channel_audiohook_count_by_source_running(callee_chan, mixmonitor_spy_type, AST_AUDIOHOOK_TYPE_SPY);
-		ast_channel_unlock(callee_chan);
-		if (count > 0) {
-			if (!stopmixmonitor_ok) {
-				ast_log(LOG_ERROR,"Cannot stop recording the call. The stopmixmonitor application is disabled.\n");
-				return -1;
-			}
-			if (!(stopmixmonitor_app = pbx_findapp("StopMixMonitor"))) {
-				stopmixmonitor_ok = 0;
-				ast_log(LOG_ERROR,"Cannot stop recording the call. The stopmixmonitor application is disabled.\n");
-				return -1;
-			} else {
-				pbx_exec(callee_chan, stopmixmonitor_app, "");
-				return FEATURE_RETURN_SUCCESS;
-			}
-		}
-		
-		ast_log(LOG_WARNING,"Stopped MixMonitors are attached to the channel.\n");	
-	}			
-
-	if (caller_chan && callee_chan) {
-		const char *touch_format = pbx_builtin_getvar_helper(caller_chan, "TOUCH_MIXMONITOR_FORMAT");
-		const char *touch_monitor = pbx_builtin_getvar_helper(caller_chan, "TOUCH_MIXMONITOR");
-
-		if (!touch_format)
-			touch_format = pbx_builtin_getvar_helper(callee_chan, "TOUCH_MIXMONITOR_FORMAT");
-
-		if (!touch_monitor)
-			touch_monitor = pbx_builtin_getvar_helper(callee_chan, "TOUCH_MIXMONITOR");
-
-		if (touch_monitor) {
-			len = strlen(touch_monitor) + 50;
-			args = alloca(len);
-			touch_filename = alloca(len);
-			snprintf(touch_filename, len, "auto-%ld-%s", (long)time(NULL), touch_monitor);
-			snprintf(args, len, "%s.%s,b", touch_filename, (touch_format) ? touch_format : "wav");
-		} else {
-			caller_chan_id = ast_strdupa(S_OR(caller_chan->cid.cid_num, caller_chan->name));
-			callee_chan_id = ast_strdupa(S_OR(callee_chan->cid.cid_num, callee_chan->name));
-			len = strlen(caller_chan_id) + strlen(callee_chan_id) + 50;
-			args = alloca(len);
-			touch_filename = alloca(len);
-			snprintf(touch_filename, len, "auto-%ld-%s-%s", (long)time(NULL), caller_chan_id, callee_chan_id);
-			snprintf(args, len, "%s.%s,b", touch_filename, S_OR(touch_format, "wav"));
-		}
-
-		for( x = 0; x < strlen(args); x++) {
-			if (args[x] == '/')
-				args[x] = '-';
-		}
-
-		ast_verb(3, "User hit '%s' to record call. filename: %s\n", code, touch_filename);
-
-		pbx_exec(callee_chan, mixmonitor_app, args);
-		pbx_builtin_setvar_helper(callee_chan, "TOUCH_MIXMONITOR_OUTPUT", touch_filename);
-		pbx_builtin_setvar_helper(caller_chan, "TOUCH_MIXMONITOR_OUTPUT", touch_filename);
-		return FEATURE_RETURN_SUCCESS;
-	
-	}
-
-	ast_log(LOG_NOTICE,"Cannot record the call. One or both channels have gone away.\n");
-	return -1;
-
-}
-
-static int builtin_disconnect(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
-{
-	ast_verb(4, "User hit '%s' to disconnect call.\n", code);
-	return FEATURE_RETURN_HANGUP;
-}
-
-static int finishup(struct ast_channel *chan)
-{
-        ast_indicate(chan, AST_CONTROL_UNHOLD);
-  
-        return ast_autoservice_stop(chan);
-}
-
-/*!
- * \brief Find the context for the transfer
- * \param transferer
- * \param transferee
- * 
- * Grab the TRANSFER_CONTEXT, if fails try grabbing macrocontext.
- * \return a context string
-*/
-static const char *real_ctx(struct ast_channel *transferer, struct ast_channel *transferee)
-{
-        const char *s = pbx_builtin_getvar_helper(transferer, "TRANSFER_CONTEXT");
-        if (ast_strlen_zero(s))
-                s = pbx_builtin_getvar_helper(transferee, "TRANSFER_CONTEXT");
-        if (ast_strlen_zero(s)) /* Use the non-macro context to transfer the call XXX ? */
-                s = transferer->macrocontext;
-        if (ast_strlen_zero(s))
-                s = transferer->context;
-        return s;  
-}
-
-/*!
- * \brief Blind transfer user to another extension
- * \param chan channel to be transfered
- * \param peer channel initiated blind transfer
- * \param config
- * \param code
- * \param data
- * \param sense  feature options
- * 
- * Place chan on hold, check if transferred to parkinglot extension,
- * otherwise check extension exists and transfer caller.
- * \retval FEATURE_RETURN_SUCCESS.
- * \retval -1 on failure.
-*/
-static int builtin_blindtransfer(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
-{
-	struct ast_channel *transferer;
-	struct ast_channel *transferee;
-	const char *transferer_real_context;
-	char xferto[256];
-	int res;
-
-	set_peers(&transferer, &transferee, peer, chan, sense);
-	transferer_real_context = real_ctx(transferer, transferee);
-	/* Start autoservice on chan while we talk to the originator */
-	ast_autoservice_start(transferee);
-	ast_indicate(transferee, AST_CONTROL_HOLD);
-
-	memset(xferto, 0, sizeof(xferto));
-	
-	/* Transfer */
-	res = ast_stream_and_wait(transferer, "pbx-transfer", AST_DIGIT_ANY);
-	if (res < 0) {
-		finishup(transferee);
-		return -1; /* error ? */
-	}
-	if (res > 0)	/* If they've typed a digit already, handle it */
-		xferto[0] = (char) res;
-
-	ast_stopstream(transferer);
-	res = ast_app_dtget(transferer, transferer_real_context, xferto, sizeof(xferto), 100, transferdigittimeout);
-	if (res < 0) {  /* hangup, would be 0 for invalid and 1 for valid */
-		finishup(transferee);
-		return res;
-	}
-	if (!strcmp(xferto, ast_parking_ext())) {
-		res = finishup(transferee);
-		if (res)
-			res = -1;
-		else if (!ast_park_call(transferee, transferer, 0, NULL)) {	/* success */
-			/* We return non-zero, but tell the PBX not to hang the channel when
-			   the thread dies -- We have to be careful now though.  We are responsible for 
-			   hanging up the channel, else it will never be hung up! */
-
-			return (transferer == peer) ? AST_PBX_KEEPALIVE : AST_PBX_NO_HANGUP_PEER;
-		} else {
-			ast_log(LOG_WARNING, "Unable to park call %s\n", transferee->name);
-		}
-		/*! \todo XXX Maybe we should have another message here instead of invalid extension XXX */
-	} else if (ast_exists_extension(transferee, transferer_real_context, xferto, 1, transferer->cid.cid_num)) {
-		pbx_builtin_setvar_helper(peer, "BLINDTRANSFER", transferee->name);
-		pbx_builtin_setvar_helper(chan, "BLINDTRANSFER", peer->name);
-		res=finishup(transferee);
-		if (!transferer->cdr) {
-			transferer->cdr=ast_cdr_alloc();
-			if (transferer) {
-				ast_cdr_init(transferer->cdr, transferer); /* initilize our channel's cdr */
-				ast_cdr_start(transferer->cdr);
-			}
-		}
-		if (transferer->cdr) {
-			ast_cdr_setdestchan(transferer->cdr, transferee->name);
-			ast_cdr_setapp(transferer->cdr, "BLINDTRANSFER","");
-		}
-		if (!transferee->pbx) {
-			/* Doh!  Use our handy async_goto functions */
-			ast_verb(3, "Transferring %s to '%s' (context %s) priority 1\n"
-								,transferee->name, xferto, transferer_real_context);
-			if (ast_async_goto(transferee, transferer_real_context, xferto, 1))
-				ast_log(LOG_WARNING, "Async goto failed :-(\n");
-		} else {
-			/* Set the channel's new extension, since it exists, using transferer context */
-			set_c_e_p(transferee, transferer_real_context, xferto, 0);
-		}
-		check_goto_on_transfer(transferer);
-		return res;
-	} else {
-		ast_verb(3, "Unable to find extension '%s' in context '%s'\n", xferto, transferer_real_context);
-	}
-	if (ast_stream_and_wait(transferer, xferfailsound, AST_DIGIT_ANY) < 0) {
-		finishup(transferee);
-		return -1;
-	}
-	ast_stopstream(transferer);
-	res = finishup(transferee);
-	if (res) {
-		ast_verb(2, "Hungup during autoservice stop on '%s'\n", transferee->name);
-		return res;
-	}
-	return FEATURE_RETURN_SUCCESS;
-}
-
-/*!
- * \brief make channels compatible
- * \param c
- * \param newchan
- * \retval 0 on success.
- * \retval -1 on failure.
-*/
-static int check_compat(struct ast_channel *c, struct ast_channel *newchan)
-{
-	if (ast_channel_make_compatible(c, newchan) < 0) {
-		ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n",
-			c->name, newchan->name);
-		ast_hangup(newchan);
-		return -1;
-	}
-	return 0;
-}
-
-/*!
- * \brief Attended transfer
- * \param chan transfered user
- * \param peer person transfering call
- * \param config
- * \param code
- * \param sense feature options
- * 
- * \param data
- * Get extension to transfer to, if you cannot generate channel (or find extension) 
- * return to host channel. After called channel answered wait for hangup of transferer,
- * bridge call between transfer peer (taking them off hold) to attended transfer channel.
- *
- * \return -1 on failure
-*/
-static int builtin_atxfer(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
-{
-	struct ast_channel *transferer;
-	struct ast_channel *transferee;
-	const char *transferer_real_context;
-	char xferto[256] = "";
-	int res;
-	int outstate=0;
-	struct ast_channel *newchan;
-	struct ast_channel *xferchan;
-	struct ast_bridge_thread_obj *tobj;
-	struct ast_bridge_config bconfig;
-	struct ast_frame *f;
-	int l;
-
-	ast_debug(1, "Executing Attended Transfer %s, %s (sense=%d) \n", chan->name, peer->name, sense);
-	set_peers(&transferer, &transferee, peer, chan, sense);
-        transferer_real_context = real_ctx(transferer, transferee);
-	/* Start autoservice on chan while we talk to the originator */
-	ast_autoservice_start(transferee);
-	ast_indicate(transferee, AST_CONTROL_HOLD);
-	
-	/* Transfer */
-	res = ast_stream_and_wait(transferer, "pbx-transfer", AST_DIGIT_ANY);
-	if (res < 0) {
-		finishup(transferee);
-		return res;
-	}
-	if (res > 0) /* If they've typed a digit already, handle it */
-		xferto[0] = (char) res;
-
-	/* this is specific of atxfer */
-	res = ast_app_dtget(transferer, transferer_real_context, xferto, sizeof(xferto), 100, transferdigittimeout);
-        if (res < 0) {  /* hangup, would be 0 for invalid and 1 for valid */
-                finishup(transferee);
-                return res;
-        }
-	if (res == 0) {
-		ast_log(LOG_WARNING, "Did not read data.\n");
-		finishup(transferee);
-		if (ast_stream_and_wait(transferer, "beeperr", ""))
-			return -1;
-		return FEATURE_RETURN_SUCCESS;
-	}
-
-	/* valid extension, res == 1 */
-	if (!ast_exists_extension(transferer, transferer_real_context, xferto, 1, transferer->cid.cid_num)) {
-		ast_log(LOG_WARNING, "Extension %s does not exist in context %s\n",xferto,transferer_real_context);
-		finishup(transferee);
-		if (ast_stream_and_wait(transferer, "beeperr", ""))
-			return -1;
-		return FEATURE_RETURN_SUCCESS;
-	}
-
-	l = strlen(xferto);
-	snprintf(xferto + l, sizeof(xferto) - l, "@%s/n", transferer_real_context);	/* append context */
-	newchan = ast_feature_request_and_dial(transferer, transferee, "Local", ast_best_codec(transferer->nativeformats),
-		xferto, atxfernoanswertimeout, &outstate, transferer->cid.cid_num, transferer->cid.cid_name, 1);
-
-	if (!ast_check_hangup(transferer)) {
-		/* Transferer is up - old behaviour */
-		ast_indicate(transferer, -1);
-		if (!newchan) {
-			finishup(transferee);
-			/* any reason besides user requested cancel and busy triggers the failed sound */
-			if (outstate != AST_CONTROL_UNHOLD && outstate != AST_CONTROL_BUSY &&
-				ast_stream_and_wait(transferer, xferfailsound, ""))
-				return -1;
-			if (ast_stream_and_wait(transferer, xfersound, ""))
-				ast_log(LOG_WARNING, "Failed to play transfer sound!\n");
-			return FEATURE_RETURN_SUCCESS;
-		}
-
-		if (check_compat(transferer, newchan)) {
-			/* we do mean transferee here, NOT transferer */
-			finishup(transferee);
-			return -1;
-		}
-		memset(&bconfig,0,sizeof(struct ast_bridge_config));
-		ast_set_flag(&(bconfig.features_caller), AST_FEATURE_DISCONNECT);
-		ast_set_flag(&(bconfig.features_callee), AST_FEATURE_DISCONNECT);
-		res = ast_bridge_call(transferer, newchan, &bconfig);
-		if (ast_check_hangup(newchan) || !ast_check_hangup(transferer)) {
-			ast_hangup(newchan);
-			if (ast_stream_and_wait(transferer, xfersound, ""))
-				ast_log(LOG_WARNING, "Failed to play transfer sound!\n");
-			finishup(transferee);
-			transferer->_softhangup = 0;
-			return FEATURE_RETURN_SUCCESS;
-		}
-		if (check_compat(transferee, newchan)) {
-			finishup(transferee);
-			return -1;
-		}
-		ast_indicate(transferee, AST_CONTROL_UNHOLD);
-
-		if ((ast_autoservice_stop(transferee) < 0)
-		 || (ast_waitfordigit(transferee, 100) < 0)
-		 || (ast_waitfordigit(newchan, 100) < 0)
-		 || ast_check_hangup(transferee)
-		 || ast_check_hangup(newchan)) {
-			ast_hangup(newchan);
-			return -1;
-		}
-		xferchan = ast_channel_alloc(0, AST_STATE_DOWN, 0, 0, "", "", "", 0, "Transfered/%s", transferee->name);
-		if (!xferchan) {
-			ast_hangup(newchan);
-			return -1;
-		}
-		/* Make formats okay */
-		xferchan->readformat = transferee->readformat;
-		xferchan->writeformat = transferee->writeformat;
-		ast_channel_masquerade(xferchan, transferee);
-		ast_explicit_goto(xferchan, transferee->context, transferee->exten, transferee->priority);
-		xferchan->_state = AST_STATE_UP;
-		ast_clear_flag(xferchan, AST_FLAGS_ALL);
-		xferchan->_softhangup = 0;
-		if ((f = ast_read(xferchan)))
-			ast_frfree(f);
-		newchan->_state = AST_STATE_UP;
-		ast_clear_flag(newchan, AST_FLAGS_ALL);
-		newchan->_softhangup = 0;
-		if (!(tobj = ast_calloc(1, sizeof(*tobj)))) {
-			ast_hangup(xferchan);
-			ast_hangup(newchan);
-			return -1;
-		}
-		tobj->chan = newchan;
-		tobj->peer = xferchan;
-		tobj->bconfig = *config;
-
-		if (ast_stream_and_wait(newchan, xfersound, ""))
-			ast_log(LOG_WARNING, "Failed to play transfer sound!\n");
-		ast_bridge_call_thread_launch(tobj);
-		return -1;      /* XXX meaning the channel is bridged ? */
-	} else if (!ast_check_hangup(transferee)) {
-		/* act as blind transfer */
-		if (ast_autoservice_stop(transferee) < 0) {
-			ast_hangup(newchan);
-			return -1;
-		}
-
-		if (!newchan) {
-			unsigned int tries = 0;
-			char *transferer_tech, *transferer_name = ast_strdupa(transferer->name);
-
-			transferer_tech = strsep(&transferer_name, "/");
-			transferer_name = strsep(&transferer_name, "-");
-
-			if (ast_strlen_zero(transferer_name) || ast_strlen_zero(transferer_tech)) {
-				ast_log(LOG_WARNING, "Transferer has invalid channel name: '%s'\n", transferer->name);
-				if (ast_stream_and_wait(transferee, "beeperr", ""))
-					return -1;
-				return FEATURE_RETURN_SUCCESS;
-			}
-
-			ast_log(LOG_NOTICE, "We're trying to call %s/%s\n", transferer_tech, transferer_name);
-			newchan = ast_feature_request_and_dial(transferee, NULL, transferer_tech, ast_best_codec(transferee->nativeformats),
-				transferer_name, atxfernoanswertimeout, &outstate, transferee->cid.cid_num, transferee->cid.cid_name, 0);
-			while (!newchan && !atxferdropcall && tries < atxfercallbackretries) {
-				/* Trying to transfer again */
-				ast_autoservice_start(transferee);
-				ast_indicate(transferee, AST_CONTROL_HOLD);
-
-				newchan = ast_feature_request_and_dial(transferer, transferee, "Local", ast_best_codec(transferer->nativeformats),
-					xferto, atxfernoanswertimeout, &outstate, transferer->cid.cid_num, transferer->cid.cid_name, 1);
-				if (ast_autoservice_stop(transferee) < 0) {
-					if (newchan)
-						ast_hangup(newchan);
-					return -1;
-				}
-				if (!newchan) {
-					/* Transfer failed, sleeping */
-					ast_debug(1, "Sleeping for %d ms before callback.\n", atxferloopdelay);
-					ast_safe_sleep(transferee, atxferloopdelay);
-					ast_debug(1, "Trying to callback...\n");
-					newchan = ast_feature_request_and_dial(transferee, NULL, transferer_tech, ast_best_codec(transferee->nativeformats),
-						transferer_name, atxfernoanswertimeout, &outstate, transferee->cid.cid_num, transferee->cid.cid_name, 0);
-				}
-				tries++;
-			}
-		}
-		if (!newchan)
-			return -1;
-
-		/* newchan is up, we should prepare transferee and bridge them */
-		if (check_compat(transferee, newchan)) {
-			finishup(transferee);
-			return -1;
-		}
-		ast_indicate(transferee, AST_CONTROL_UNHOLD);
-
-		if ((ast_waitfordigit(transferee, 100) < 0)
-		   || (ast_waitfordigit(newchan, 100) < 0)
-		   || ast_check_hangup(transferee)
-		   || ast_check_hangup(newchan)) {
-			ast_hangup(newchan);
-			return -1;
-		}
-
-		xferchan = ast_channel_alloc(0, AST_STATE_DOWN, 0, 0, "", "", "", 0, "Transfered/%s", transferee->name);
-		if (!xferchan) {
-			ast_hangup(newchan);
-			return -1;
-		}
-		/* Make formats okay */
-		xferchan->readformat = transferee->readformat;
-		xferchan->writeformat = transferee->writeformat;
-		ast_channel_masquerade(xferchan, transferee);
-		ast_explicit_goto(xferchan, transferee->context, transferee->exten, transferee->priority);
-		xferchan->_state = AST_STATE_UP;
-		ast_clear_flag(xferchan, AST_FLAGS_ALL);
-		xferchan->_softhangup = 0;
-		if ((f = ast_read(xferchan)))
-			ast_frfree(f);
-		newchan->_state = AST_STATE_UP;
-		ast_clear_flag(newchan, AST_FLAGS_ALL);
-		newchan->_softhangup = 0;
-		if (!(tobj = ast_calloc(1, sizeof(*tobj)))) {
-			ast_hangup(xferchan);
-			ast_hangup(newchan);
-			return -1;
-		}
-		tobj->chan = newchan;
-		tobj->peer = xferchan;
-		tobj->bconfig = *config;
-
-		if (ast_stream_and_wait(newchan, xfersound, ""))
-			ast_log(LOG_WARNING, "Failed to play transfer sound!\n");
-		ast_bridge_call_thread_launch(tobj);
-		return -1;      /* XXX meaning the channel is bridged ? */
-	} else {
-		/* Transferee hung up */
-		finishup(transferee);
-		return -1;
-	}
-}
-
-/* add atxfer and automon as undefined so you can only use em if you configure them */
-#define FEATURES_COUNT ARRAY_LEN(builtin_features)
-
-AST_RWLOCK_DEFINE_STATIC(features_lock);
-
-static struct ast_call_feature builtin_features[] = 
-{
-	{ AST_FEATURE_REDIRECT, "Blind Transfer", "blindxfer", "#", "#", builtin_blindtransfer, AST_FEATURE_FLAG_NEEDSDTMF, "" },
-	{ AST_FEATURE_REDIRECT, "Attended Transfer", "atxfer", "", "", builtin_atxfer, AST_FEATURE_FLAG_NEEDSDTMF, "" },
-	{ AST_FEATURE_AUTOMON, "One Touch Monitor", "automon", "", "", builtin_automonitor, AST_FEATURE_FLAG_NEEDSDTMF, "" },
-	{ AST_FEATURE_DISCONNECT, "Disconnect Call", "disconnect", "*", "*", builtin_disconnect, AST_FEATURE_FLAG_NEEDSDTMF, "" },
-	{ AST_FEATURE_PARKCALL, "Park Call", "parkcall", "", "", builtin_parkcall, AST_FEATURE_FLAG_NEEDSDTMF, "" },
-	{ AST_FEATURE_AUTOMIXMON, "One Touch MixMonitor", "automixmon", "", "", builtin_automixmonitor, AST_FEATURE_FLAG_NEEDSDTMF, "" },
-};
-
-
-static AST_LIST_HEAD_STATIC(feature_list,ast_call_feature);
-
-/*! \brief register new feature into feature_list*/
-void ast_register_feature(struct ast_call_feature *feature)
-{
-	if (!feature) {
-		ast_log(LOG_NOTICE,"You didn't pass a feature!\n");
-		return;
-	}
-  
-	AST_LIST_LOCK(&feature_list);
-	AST_LIST_INSERT_HEAD(&feature_list,feature,feature_entry);
-	AST_LIST_UNLOCK(&feature_list);
-
-	ast_verb(2, "Registered Feature '%s'\n",feature->sname);
-}
-
-/*! 
- * \brief Add new feature group
- * \param fgname feature group name.
- *
- * Add new feature group to the feature group list insert at head of list.
- * \note This function MUST be called while feature_groups is locked.
-*/
-static struct feature_group* register_group(const char *fgname)
-{
-	struct feature_group *fg;
-
-	if (!fgname) {
-		ast_log(LOG_NOTICE, "You didn't pass a new group name!\n");
-		return NULL;
-	}
-
-	if (!(fg = ast_calloc(1, sizeof(*fg))))
-		return NULL;
-
-	if (ast_string_field_init(fg, 128)) {
-		ast_free(fg);
-		return NULL;
-	}
-
-	ast_string_field_set(fg, gname, fgname);
-
-	AST_LIST_INSERT_HEAD(&feature_groups, fg, entry);
-
-	ast_verb(2, "Registered group '%s'\n", fg->gname);
-
-	return fg;
-}
-
-/*! 
- * \brief Add feature to group
- * \param fg feature group
- * \param exten
- * \param feature feature to add.
- *
- * Check fg and feature specified, add feature to list
- * \note This function MUST be called while feature_groups is locked. 
-*/
-static void register_group_feature(struct feature_group *fg, const char *exten, struct ast_call_feature *feature) 
-{
-	struct feature_group_exten *fge;
-
-	if (!(fge = ast_calloc(1, sizeof(*fge))))
-		return;
-
-	if (ast_string_field_init(fge, 128)) {
-		ast_free(fge);
-		return;
-	}
-
-	if (!fg) {
-		ast_log(LOG_NOTICE, "You didn't pass a group!\n");
-		return;
-	}
-
-	if (!feature) {
-		ast_log(LOG_NOTICE, "You didn't pass a feature!\n");
-		return;
-	}
-
-	ast_string_field_set(fge, exten, (ast_strlen_zero(exten) ? feature->exten : exten));
-
-	fge->feature = feature;
-
-	AST_LIST_INSERT_HEAD(&fg->features, fge, entry);		
-
-	ast_verb(2, "Registered feature '%s' for group '%s' at exten '%s'\n",
-					feature->sname, fg->gname, exten);
-}
-
-void ast_unregister_feature(struct ast_call_feature *feature)
-{
-	if (!feature)
-		return;
-
-	AST_LIST_LOCK(&feature_list);
-	AST_LIST_REMOVE(&feature_list,feature,feature_entry);
-	AST_LIST_UNLOCK(&feature_list);
-	ast_free(feature);
-}
-
-/*! \brief Remove all features in the list */
-static void ast_unregister_features(void)
-{
-	struct ast_call_feature *feature;
-
-	AST_LIST_LOCK(&feature_list);
-	while ((feature = AST_LIST_REMOVE_HEAD(&feature_list,feature_entry)))
-		ast_free(feature);
-	AST_LIST_UNLOCK(&feature_list);
-}
-
-/*! \brief find a call feature by name */
-static struct ast_call_feature *find_dynamic_feature(const char *name)
-{
-	struct ast_call_feature *tmp;
-
-	AST_LIST_TRAVERSE(&feature_list, tmp, feature_entry) {
-		if (!strcasecmp(tmp->sname, name))
-			break;
-	}
-
-	return tmp;
-}
-
-/*! \brief Remove all feature groups in the list */
-static void ast_unregister_groups(void)
-{
-	struct feature_group *fg;
-	struct feature_group_exten *fge;
-
-	AST_RWLIST_WRLOCK(&feature_groups);
-	while ((fg = AST_LIST_REMOVE_HEAD(&feature_groups, entry))) {
-		while ((fge = AST_LIST_REMOVE_HEAD(&fg->features, entry))) {
-			ast_string_field_free_memory(fge);
-			ast_free(fge);
-		}
-
-		ast_string_field_free_memory(fg);
-		ast_free(fg);
-	}
-	AST_RWLIST_UNLOCK(&feature_groups);
-}
-
-/*! 
- * \brief Find a group by name 
- * \param name feature name
- * \retval feature group on success.
- * \retval NULL on failure.
-*/
-static struct feature_group *find_group(const char *name) {
-	struct feature_group *fg = NULL;
-
-	AST_LIST_TRAVERSE(&feature_groups, fg, entry) {
-		if (!strcasecmp(fg->gname, name))
-			break;
-	}
-
-	return fg;
-}
-
-void ast_rdlock_call_features(void)
-{
-	ast_rwlock_rdlock(&features_lock);
-}
-
-void ast_unlock_call_features(void)
-{
-	ast_rwlock_unlock(&features_lock);
-}
-
-struct ast_call_feature *ast_find_call_feature(const char *name)
-{
-	int x;
-	for (x = 0; x < FEATURES_COUNT; x++) {
-		if (!strcasecmp(name, builtin_features[x].sname))
-			return &builtin_features[x];
-	}
-	return NULL;
-}
-
-/*!
- * \brief exec an app by feature 
- * \param chan,peer,config,code,sense,data
- *
- * Find a feature, determine which channel activated
- * \retval FEATURE_RETURN_PBX_KEEPALIVE,FEATURE_RETURN_NO_HANGUP_PEER
- * \retval -1 error.
- * \retval -2 when an application cannot be found.
-*/
-static int feature_exec_app(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
-{
-	struct ast_app *app;
-	struct ast_call_feature *feature = data;
-	struct ast_channel *work, *idle;
-	int res;
-
-	if (!feature) { /* shouldn't ever happen! */
-		ast_log(LOG_NOTICE, "Found feature before, but at execing we've lost it??\n");
-		return -1; 
-	}
-
-	if (sense == FEATURE_SENSE_CHAN) {
-		if (!ast_test_flag(feature, AST_FEATURE_FLAG_BYCALLER))
-			return FEATURE_RETURN_KEEPTRYING;
-		if (ast_test_flag(feature, AST_FEATURE_FLAG_ONSELF)) {
-			work = chan;
-			idle = peer;
-		} else {
-			work = peer;
-			idle = chan;
-		}
-	} else {
-		if (!ast_test_flag(feature, AST_FEATURE_FLAG_BYCALLEE))
-			return FEATURE_RETURN_KEEPTRYING;
-		if (ast_test_flag(feature, AST_FEATURE_FLAG_ONSELF)) {
-			work = peer;
-			idle = chan;
-		} else {
-			work = chan;
-			idle = peer;
-		}
-	}
-
-	if (!(app = pbx_findapp(feature->app))) {
-		ast_log(LOG_WARNING, "Could not find application (%s)\n", feature->app);
-		return -2;
-	}
-
-	ast_autoservice_start(idle);
-	
-	if (!ast_strlen_zero(feature->moh_class))
-		ast_moh_start(idle, feature->moh_class, NULL);
-
-	res = pbx_exec(work, app, feature->app_args);
-
-	if (!ast_strlen_zero(feature->moh_class))
-		ast_moh_stop(idle);
-
-	ast_autoservice_stop(idle);
-
-	if (res == AST_PBX_KEEPALIVE)
-		return FEATURE_RETURN_PBX_KEEPALIVE;
-	else if (res == AST_PBX_NO_HANGUP_PEER)
-		return FEATURE_RETURN_NO_HANGUP_PEER;
-	else if (res)
-		return FEATURE_RETURN_SUCCESSBREAK;
-	
-	return FEATURE_RETURN_SUCCESS;	/*! \todo XXX should probably return res */
-}
-
-static void unmap_features(void)
-{
-	int x;
-
-	ast_rwlock_wrlock(&features_lock);
-	for (x = 0; x < FEATURES_COUNT; x++)
-		strcpy(builtin_features[x].exten, builtin_features[x].default_exten);
-	ast_rwlock_unlock(&features_lock);
-}
-
-static int remap_feature(const char *name, const char *value)
-{
-	int x, res = -1;
-
-	ast_rwlock_wrlock(&features_lock);
-	for (x = 0; x < FEATURES_COUNT; x++) {
-		if (strcasecmp(builtin_features[x].sname, name))
-			continue;
-
-		ast_copy_string(builtin_features[x].exten, value, sizeof(builtin_features[x].exten));
-		res = 0;
-		break;
-	}
-	ast_rwlock_unlock(&features_lock);
-
-	return res;
-}
-
-/*!
- * \brief Check the dynamic features
- * \param chan,peer,config,code,sense
- *
- * Lock features list, browse for code, unlock list
- * \retval res on success.
- * \retval -1 on failure.
-*/
-static int ast_feature_interpret(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense)
-{
-	int x;
-	struct ast_flags features;
-	int res = FEATURE_RETURN_PASSDIGITS;
-	struct ast_call_feature *feature;
-	struct feature_group *fg = NULL;
-	struct feature_group_exten *fge;
-	const char *dynamic_features;
-	char *tmp, *tok;
-
-	if (sense == FEATURE_SENSE_CHAN) {
-		ast_copy_flags(&features, &(config->features_caller), AST_FLAGS_ALL);
-		dynamic_features = pbx_builtin_getvar_helper(chan, "DYNAMIC_FEATURES");
-	}
-	else {
-		ast_copy_flags(&features, &(config->features_callee), AST_FLAGS_ALL);
-		dynamic_features = pbx_builtin_getvar_helper(peer, "DYNAMIC_FEATURES");
-	}
-	ast_debug(3, "Feature interpret: chan=%s, peer=%s, sense=%d, features=%d, dynamic=%s\n", chan->name, peer->name, sense, features.flags, dynamic_features);
-
-	ast_rwlock_rdlock(&features_lock);
-	for (x = 0; x < FEATURES_COUNT; x++) {
-		if ((ast_test_flag(&features, builtin_features[x].feature_mask)) &&
-		    !ast_strlen_zero(builtin_features[x].exten)) {
-			/* Feature is up for consideration */
-			if (!strcmp(builtin_features[x].exten, code)) {
-				res = builtin_features[x].operation(chan, peer, config, code, sense, NULL);
-				break;
-			} else if (!strncmp(builtin_features[x].exten, code, strlen(code))) {
-				if (res == FEATURE_RETURN_PASSDIGITS)
-					res = FEATURE_RETURN_STOREDIGITS;
-			}
-		}
-	}
-	ast_rwlock_unlock(&features_lock);
-
-	if (ast_strlen_zero(dynamic_features))
-		return res;
-
-	tmp = ast_strdupa(dynamic_features);
-
-	while ((tok = strsep(&tmp, "#"))) {
-		AST_RWLIST_RDLOCK(&feature_groups);
-
-		fg = find_group(tok);
-
-		if (fg) {
-			AST_LIST_TRAVERSE(&fg->features, fge, entry) {
-				if (strcasecmp(fge->exten, code))
-					continue;
-
-				res = fge->feature->operation(chan, peer, config, code, sense, fge->feature);
-				if (res != FEATURE_RETURN_KEEPTRYING) {
-					AST_RWLIST_UNLOCK(&feature_groups);
-					break;
-				}
-				res = FEATURE_RETURN_PASSDIGITS;
-			}
-			if (fge)
-				break;
-		}
-
-		AST_RWLIST_UNLOCK(&feature_groups);
-		AST_LIST_LOCK(&feature_list);
-
-		if(!(feature = find_dynamic_feature(tok))) {
-			AST_LIST_UNLOCK(&feature_list);
-			continue;
-		}
-			
-		/* Feature is up for consideration */
-		if (!strcmp(feature->exten, code)) {
-			ast_verb(3, " Feature Found: %s exten: %s\n",feature->sname, tok);
-			res = feature->operation(chan, peer, config, code, sense, feature);
-			if (res != FEATURE_RETURN_KEEPTRYING) {
-				AST_LIST_UNLOCK(&feature_list);
-				break;
-			}
-			res = FEATURE_RETURN_PASSDIGITS;
-		} else if (!strncmp(feature->exten, code, strlen(code)))
-			res = FEATURE_RETURN_STOREDIGITS;
-
-		AST_LIST_UNLOCK(&feature_list);
-	}
-	
-	return res;
-}
-
-static void set_config_flags(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config)
-{
-	int x;
-	
-	ast_clear_flag(config, AST_FLAGS_ALL);
-
-	ast_rwlock_rdlock(&features_lock);
-	for (x = 0; x < FEATURES_COUNT; x++) {
-		if (!ast_test_flag(builtin_features + x, AST_FEATURE_FLAG_NEEDSDTMF))
-			continue;
-
-		if (ast_test_flag(&(config->features_caller), builtin_features[x].feature_mask))
-			ast_set_flag(config, AST_BRIDGE_DTMF_CHANNEL_0);
-
-		if (ast_test_flag(&(config->features_callee), builtin_features[x].feature_mask))
-			ast_set_flag(config, AST_BRIDGE_DTMF_CHANNEL_1);
-	}
-	ast_rwlock_unlock(&features_lock);
-	
-	if (chan && peer && !(ast_test_flag(config, AST_BRIDGE_DTMF_CHANNEL_0) && ast_test_flag(config, AST_BRIDGE_DTMF_CHANNEL_1))) {
-		const char *dynamic_features = pbx_builtin_getvar_helper(chan, "DYNAMIC_FEATURES");
-
-		if (dynamic_features) {
-			char *tmp = ast_strdupa(dynamic_features);
-			char *tok;
-			struct ast_call_feature *feature;
-
-			/* while we have a feature */
-			while ((tok = strsep(&tmp, "#"))) {
-				AST_LIST_LOCK(&feature_list);
-				if ((feature = find_dynamic_feature(tok)) && ast_test_flag(feature, AST_FEATURE_FLAG_NEEDSDTMF)) {
-					if (ast_test_flag(feature, AST_FEATURE_FLAG_BYCALLER))
-						ast_set_flag(config, AST_BRIDGE_DTMF_CHANNEL_0);
-					if (ast_test_flag(feature, AST_FEATURE_FLAG_BYCALLEE))
-						ast_set_flag(config, AST_BRIDGE_DTMF_CHANNEL_1);
-				}
-				AST_LIST_UNLOCK(&feature_list);
-			}
-		}
-	}
-}
-
-/*! 
- * \brief Get feature and dial
- * \param caller,transferee,type,format,data,timeout,outstate,cid_num,cid_name,igncallerstate
- *
- * Request channel, set channel variables, initiate call,check if they want to disconnect
- * go into loop, check if timeout has elapsed, check if person to be transfered hung up,
- * check for answer break loop, set cdr return channel.
- *
- * \todo XXX Check - this is very similar to the code in channel.c 
- * \return always a channel
-*/
-static struct ast_channel *ast_feature_request_and_dial(struct ast_channel *caller, struct ast_channel *transferee, const char *type, int format, void *data, int timeout, int *outstate, const char *cid_num, const char *cid_name, int igncallerstate)
-{
-	int state = 0;
-	int cause = 0;
-	int to;
-	struct ast_channel *chan;
-	struct ast_channel *monitor_chans[2];
-	struct ast_channel *active_channel;
-	int res = 0, ready = 0;
-	
-	if ((chan = ast_request(type, format, data, &cause))) {
-		ast_set_callerid(chan, cid_num, cid_name, cid_num);
-		ast_channel_inherit_variables(caller, chan);	
-		pbx_builtin_setvar_helper(chan, "TRANSFERERNAME", caller->name);
-		if (!chan->cdr) {
-			chan->cdr=ast_cdr_alloc();
-			if (chan->cdr) {
-				ast_cdr_init(chan->cdr, chan); /* initilize our channel's cdr */
-				ast_cdr_start(chan->cdr);
-			}
-		}
-			
-		if (!ast_call(chan, data, timeout)) {
-			struct timeval started;
-			int x, len = 0;
-			char *disconnect_code = NULL, *dialed_code = NULL;
-
-			ast_indicate(caller, AST_CONTROL_RINGING);
-			/* support dialing of the featuremap disconnect code while performing an attended tranfer */
-			ast_rwlock_rdlock(&features_lock);
-			for (x = 0; x < FEATURES_COUNT; x++) {
-				if (strcasecmp(builtin_features[x].sname, "disconnect"))
-					continue;
-
-				disconnect_code = builtin_features[x].exten;
-				len = strlen(disconnect_code) + 1;
-				dialed_code = alloca(len);
-				memset(dialed_code, 0, len);
-				break;
-			}
-			ast_rwlock_unlock(&features_lock);
-			x = 0;
-			started = ast_tvnow();
-			to = timeout;
-
-			ast_poll_channel_add(caller, chan);
-
-			while (!((transferee && ast_check_hangup(transferee)) && (!igncallerstate && ast_check_hangup(caller))) && timeout && (chan->_state != AST_STATE_UP)) {
-				struct ast_frame *f = NULL;
-
-				monitor_chans[0] = caller;
-				monitor_chans[1] = chan;
-				active_channel = ast_waitfor_n(monitor_chans, 2, &to);
-
-				/* see if the timeout has been violated */
-				if(ast_tvdiff_ms(ast_tvnow(), started) > timeout) {
-					state = AST_CONTROL_UNHOLD;
-					ast_log(LOG_NOTICE, "We exceeded our AT-timeout\n");
-					break; /*doh! timeout*/
-				}
-
-				if (!active_channel)
-					continue;
-
-				if (chan && (chan == active_channel)){
-					f = ast_read(chan);
-					if (f == NULL) { /*doh! where'd he go?*/
-						state = AST_CONTROL_HANGUP;
-						res = 0;
-						break;
-					}
-					
-					if (f->frametype == AST_FRAME_CONTROL || f->frametype == AST_FRAME_DTMF || f->frametype == AST_FRAME_TEXT) {
-						if (f->subclass == AST_CONTROL_RINGING) {
-							state = f->subclass;
-							ast_verb(3, "%s is ringing\n", chan->name);
-							ast_indicate(caller, AST_CONTROL_RINGING);
-						} else if ((f->subclass == AST_CONTROL_BUSY) || (f->subclass == AST_CONTROL_CONGESTION)) {
-							state = f->subclass;
-							ast_verb(3, "%s is busy\n", chan->name);
-							ast_indicate(caller, AST_CONTROL_BUSY);
-							ast_frfree(f);
-							f = NULL;
-							break;
-						} else if (f->subclass == AST_CONTROL_ANSWER) {
-							/* This is what we are hoping for */
-							state = f->subclass;
-							ast_frfree(f);
-							f = NULL;
-							ready=1;
-							break;
-						} else if (f->subclass != -1) {
-							ast_log(LOG_NOTICE, "Don't know what to do about control frame: %d\n", f->subclass);
-						}
-						/* else who cares */
-					}
-
-				} else if (caller && (active_channel == caller)) {
-					f = ast_read(caller);
-					if (f == NULL) { /*doh! where'd he go?*/
-						if (!igncallerstate) {
-							if (ast_check_hangup(caller) && !ast_check_hangup(chan)) {
-								/* make this a blind transfer */
-								ready = 1;
-								break;
-							}
-							state = AST_CONTROL_HANGUP;
-							res = 0;
-							break;
-						}
-					} else {
-					
-						if (f->frametype == AST_FRAME_DTMF) {
-							dialed_code[x++] = f->subclass;
-							dialed_code[x] = '\0';
-							if (strlen(dialed_code) == len) {
-								x = 0;
-							} else if (x && strncmp(dialed_code, disconnect_code, x)) {
-								x = 0;
-								dialed_code[x] = '\0';
-							}
-							if (*dialed_code && !strcmp(dialed_code, disconnect_code)) {
-								/* Caller Canceled the call */
-								state = AST_CONTROL_UNHOLD;
-								ast_frfree(f);
-								f = NULL;
-								break;
-							}
-						}
-					}
-				}
-				if (f)
-					ast_frfree(f);
-			} /* end while */
-
-			ast_poll_channel_del(caller, chan);
-
-		} else
-			ast_log(LOG_NOTICE, "Unable to call channel %s/%s\n", type, (char *)data);
-	} else {
-		ast_log(LOG_NOTICE, "Unable to request channel %s/%s\n", type, (char *)data);
-		switch(cause) {
-		case AST_CAUSE_BUSY:
-			state = AST_CONTROL_BUSY;
-			break;
-		case AST_CAUSE_CONGESTION:
-			state = AST_CONTROL_CONGESTION;
-			break;
-		}
-	}
-	
-	ast_indicate(caller, -1);
-	if (chan && ready) {
-		if (chan->_state == AST_STATE_UP) 
-			state = AST_CONTROL_ANSWER;
-		res = 0;
-	} else if(chan) {
-		res = -1;
-		ast_hangup(chan);
-		chan = NULL;
-	} else {
-		res = -1;
-	}
-	
-	if (outstate)
-		*outstate = state;
-
-	if (chan && res <= 0) {
-		if (chan->cdr || (chan->cdr = ast_cdr_alloc())) {
-			char tmp[256];
-			ast_cdr_init(chan->cdr, chan);
-			snprintf(tmp, 256, "%s/%s", type, (char *)data);
-			ast_cdr_setapp(chan->cdr,"Dial",tmp);
-			ast_cdr_update(chan);
-			ast_cdr_start(chan->cdr);
-			ast_cdr_end(chan->cdr);
-			/* If the cause wasn't handled properly */
-			if (ast_cdr_disposition(chan->cdr,chan->hangupcause))
-				ast_cdr_failed(chan->cdr);
-		} else {
-			ast_log(LOG_WARNING, "Unable to create Call Detail Record\n");
-		}
-	}
-	
-	return chan;
-}
-
-/*!
- * \brief bridge the call and set CDR
- * \param chan,peer,config
- * 
- * Set start time, check for two channels,check if monitor on
- * check for feature activation, create new CDR
- * \retval res on success.
- * \retval -1 on failure to bridge.
-*/
-int ast_bridge_call(struct ast_channel *chan,struct ast_channel *peer,struct ast_bridge_config *config)
-{
-	/* Copy voice back and forth between the two channels.  Give the peer
-	   the ability to transfer calls with '#<extension' syntax. */
-	struct ast_frame *f;
-	struct ast_channel *who;
-	char chan_featurecode[FEATURE_MAX_LEN + 1]="";
-	char peer_featurecode[FEATURE_MAX_LEN + 1]="";
-	int res;
-	int diff;
-	int hasfeatures=0;
-	int hadfeatures=0;
-	struct ast_option_header *aoh;
-	struct ast_bridge_config backup_config;
-	struct ast_cdr *bridge_cdr;
-
-	memset(&backup_config, 0, sizeof(backup_config));
-
-	config->start_time = ast_tvnow();
-
-	if (chan && peer) {
-		pbx_builtin_setvar_helper(chan, "BRIDGEPEER", peer->name);
-		pbx_builtin_setvar_helper(peer, "BRIDGEPEER", chan->name);
-	} else if (chan)
-		pbx_builtin_setvar_helper(chan, "BLINDTRANSFER", NULL);
-
-	if (monitor_ok) {
-		const char *monitor_exec;
-		struct ast_channel *src = NULL;
-		if (!monitor_app) { 
-			if (!(monitor_app = pbx_findapp("Monitor")))
-				monitor_ok=0;
-		}
-		if ((monitor_exec = pbx_builtin_getvar_helper(chan, "AUTO_MONITOR"))) 
-			src = chan;
-		else if ((monitor_exec = pbx_builtin_getvar_helper(peer, "AUTO_MONITOR")))
-			src = peer;
-		if (monitor_app && src) {
-			char *tmp = ast_strdupa(monitor_exec);
-			pbx_exec(src, monitor_app, tmp);
-		}
-	}
-	
-	set_config_flags(chan, peer, config);
-	config->firstpass = 1;
-
-	/* Answer if need be */
-	if (ast_answer(chan))
-		return -1;
-	peer->appl = "Bridged Call";
-	peer->data = chan->name;
-
-	/* copy the userfield from the B-leg to A-leg if applicable */
-	if (chan->cdr && peer->cdr && !ast_strlen_zero(peer->cdr->userfield)) {
-		char tmp[256];
-		if (!ast_strlen_zero(chan->cdr->userfield)) {
-			snprintf(tmp, sizeof(tmp), "%s;%s", chan->cdr->userfield, peer->cdr->userfield);
-			ast_cdr_appenduserfield(chan, tmp);
-		} else
-			ast_cdr_setuserfield(chan, peer->cdr->userfield);
-		/* free the peer's cdr without ast_cdr_free complaining */
-		ast_free(peer->cdr);
-		peer->cdr = NULL;
-	}
-
-	for (;;) {
-		struct ast_channel *other;	/* used later */
-
-		res = ast_channel_bridge(chan, peer, config, &f, &who);
-
-		if (config->feature_timer) {
-			/* Update time limit for next pass */
-			diff = ast_tvdiff_ms(ast_tvnow(), config->start_time);
-			config->feature_timer -= diff;
-			if (hasfeatures) {
-				/* Running on backup config, meaning a feature might be being
-				   activated, but that's no excuse to keep things going 
-				   indefinitely! */
-				if (backup_config.feature_timer && ((backup_config.feature_timer -= diff) <= 0)) {
-					ast_debug(1, "Timed out, realtime this time!\n");
-					config->feature_timer = 0;
-					who = chan;
-					if (f)
-						ast_frfree(f);
-					f = NULL;
-					res = 0;
-				} else if (config->feature_timer <= 0) {
-					/* Not *really* out of time, just out of time for
-					   digits to come in for features. */
-					ast_debug(1, "Timed out for feature!\n");
-					if (!ast_strlen_zero(peer_featurecode)) {
-						ast_dtmf_stream(chan, peer, peer_featurecode, 0, 0);
-						memset(peer_featurecode, 0, sizeof(peer_featurecode));
-					}
-					if (!ast_strlen_zero(chan_featurecode)) {
-						ast_dtmf_stream(peer, chan, chan_featurecode, 0, 0);
-						memset(chan_featurecode, 0, sizeof(chan_featurecode));
-					}
-					if (f)
-						ast_frfree(f);
-					hasfeatures = !ast_strlen_zero(chan_featurecode) || !ast_strlen_zero(peer_featurecode);
-					if (!hasfeatures) {
-						/* Restore original (possibly time modified) bridge config */
-						memcpy(config, &backup_config, sizeof(struct ast_bridge_config));
-						memset(&backup_config, 0, sizeof(backup_config));
-					}
-					hadfeatures = hasfeatures;
-					/* Continue as we were */
-					continue;
-				} else if (!f) {
-					/* The bridge returned without a frame and there is a feature in progress.
-					 * However, we don't think the feature has quite yet timed out, so just
-					 * go back into the bridge. */
-					continue;
- 				}
-			} else {
-				if (config->feature_timer <=0) {
-					/* We ran out of time */
-					config->feature_timer = 0;
-					who = chan;
-					if (f)
-						ast_frfree(f);
-					f = NULL;
-					res = 0;
-				}
-			}
-		}
-		if (res < 0) {
-			if (!ast_test_flag(chan, AST_FLAG_ZOMBIE) && !ast_test_flag(peer, AST_FLAG_ZOMBIE) && !ast_check_hangup(chan) && !ast_check_hangup(peer))
-				ast_log(LOG_WARNING, "Bridge failed on channels %s and %s\n", chan->name, peer->name);
-			return -1;
-		}
-		
-		if (!f || (f->frametype == AST_FRAME_CONTROL &&
-				(f->subclass == AST_CONTROL_HANGUP || f->subclass == AST_CONTROL_BUSY || 
-					f->subclass == AST_CONTROL_CONGESTION))) {
-			res = -1;
-			break;
-		}
-		/* many things should be sent to the 'other' channel */
-		other = (who == chan) ? peer : chan;
-		if (f->frametype == AST_FRAME_CONTROL) {
-			switch (f->subclass) {
-			case AST_CONTROL_RINGING:
-			case AST_CONTROL_FLASH:
-			case -1:
-				ast_indicate(other, f->subclass);
-				break;
-			case AST_CONTROL_HOLD:
-			case AST_CONTROL_UNHOLD:
-				ast_indicate_data(other, f->subclass, f->data, f->datalen);
-				break;
-			case AST_CONTROL_OPTION:
-				aoh = f->data;
-				/* Forward option Requests */
-				if (aoh && aoh->flag == AST_OPTION_FLAG_REQUEST) {
-					ast_channel_setoption(other, ntohs(aoh->option), aoh->data, 
-						f->datalen - sizeof(struct ast_option_header), 0);
-				}
-				break;
-			}
-		} else if (f->frametype == AST_FRAME_DTMF_BEGIN) {
-			/* eat it */
-		} else if (f->frametype == AST_FRAME_DTMF) {
-			char *featurecode;
-			int sense;
-
-			hadfeatures = hasfeatures;
-			/* This cannot overrun because the longest feature is one shorter than our buffer */
-			if (who == chan) {
-				sense = FEATURE_SENSE_CHAN;
-				featurecode = chan_featurecode;
-			} else  {
-				sense = FEATURE_SENSE_PEER;
-				featurecode = peer_featurecode;
-			}
-			/*! append the event to featurecode. we rely on the string being zero-filled, and
-			 * not overflowing it. 
-			 * \todo XXX how do we guarantee the latter ?
-			 */
-			featurecode[strlen(featurecode)] = f->subclass;
-			/* Get rid of the frame before we start doing "stuff" with the channels */
-			ast_frfree(f);
-			f = NULL;
-			config->feature_timer = backup_config.feature_timer;
-			res = ast_feature_interpret(chan, peer, config, featurecode, sense);
-			switch(res) {
-			case FEATURE_RETURN_PASSDIGITS:
-				ast_dtmf_stream(other, who, featurecode, 0, 0);
-				/* Fall through */
-			case FEATURE_RETURN_SUCCESS:
-				memset(featurecode, 0, sizeof(chan_featurecode));
-				break;
-			}
-			if (res >= FEATURE_RETURN_PASSDIGITS) {
-				res = 0;
-			} else 
-				break;
-			hasfeatures = !ast_strlen_zero(chan_featurecode) || !ast_strlen_zero(peer_featurecode);
-			if (hadfeatures && !hasfeatures) {
-				/* Restore backup */
-				memcpy(config, &backup_config, sizeof(struct ast_bridge_config));
-				memset(&backup_config, 0, sizeof(struct ast_bridge_config));
-			} else if (hasfeatures) {
-				if (!hadfeatures) {
-					/* Backup configuration */
-					memcpy(&backup_config, config, sizeof(struct ast_bridge_config));
-					/* Setup temporary config options */
-					config->play_warning = 0;
-					ast_clear_flag(&(config->features_caller), AST_FEATURE_PLAY_WARNING);
-					ast_clear_flag(&(config->features_callee), AST_FEATURE_PLAY_WARNING);
-					config->warning_freq = 0;
-					config->warning_sound = NULL;
-					config->end_sound = NULL;
-					config->start_sound = NULL;
-					config->firstpass = 0;
-				}
-				config->start_time = ast_tvnow();
-				config->feature_timer = featuredigittimeout;
-				ast_debug(1, "Set time limit to %ld\n", config->feature_timer);
-			}
-		}
-		if (f)
-			ast_frfree(f);
-
-	}
-	/* arrange the cdrs */
-	bridge_cdr = ast_cdr_alloc();
-	if (bridge_cdr) {
-		if (chan->cdr && peer->cdr) { /* both of them? merge */
-			ast_cdr_init(bridge_cdr,chan); /* seems more logicaller to use the  destination as a base, but, really, it's random */
-			ast_cdr_start(bridge_cdr); /* now is the time to start */
-			
-			/* absorb the channel cdr */
-			ast_cdr_merge(bridge_cdr, chan->cdr);
-			if (!ast_test_flag(chan->cdr, AST_CDR_FLAG_LOCKED))
-				ast_cdr_discard(chan->cdr); /* if locked cdrs are in chan, they are taken over in the merge */
-			
-			/* absorb the peer cdr */
-			ast_cdr_merge(bridge_cdr, peer->cdr);
-			if (!ast_test_flag(peer->cdr, AST_CDR_FLAG_LOCKED))
-				ast_cdr_discard(peer->cdr); /* if locked cdrs are in peer, they are taken over in the merge */
-			
-			peer->cdr = NULL;
-			chan->cdr = bridge_cdr; /* make this available to the rest of the world via the chan while the call is in progress */
-		} else if (chan->cdr) {
-			/* take the cdr from the channel - literally */
-			ast_cdr_init(bridge_cdr,chan);
-			/* absorb this data */
-			ast_cdr_merge(bridge_cdr, chan->cdr);
-			if (!ast_test_flag(chan->cdr, AST_CDR_FLAG_LOCKED))
-				ast_cdr_discard(chan->cdr); /* if locked cdrs are in chan, they are taken over in the merge */
-			chan->cdr = bridge_cdr; /* make this available to the rest of the world via the chan while the call is in progress */
-		} else if (peer->cdr) {
-			/* take the cdr from the peer - literally */
-			ast_cdr_init(bridge_cdr,peer);
-			/* absorb this data */
-			ast_cdr_merge(bridge_cdr, peer->cdr);
-			if (!ast_test_flag(peer->cdr, AST_CDR_FLAG_LOCKED))
-				ast_cdr_discard(peer->cdr); /* if locked cdrs are in chan, they are taken over in the merge */
-			peer->cdr = NULL;
-			peer->cdr = bridge_cdr; /* make this available to the rest of the world via the chan while the call is in progress */
-		} else {
-			/* make up a new cdr */
-			ast_cdr_init(bridge_cdr,chan); /* eh, just pick one of them */
-			chan->cdr = bridge_cdr; /*  */
-		}
-		if (ast_strlen_zero(bridge_cdr->dstchannel)) {
-			if (strcmp(bridge_cdr->channel, peer->name) != 0)
-				ast_cdr_setdestchan(bridge_cdr, peer->name);
-			else
-				ast_cdr_setdestchan(bridge_cdr, chan->name);
-		}
-	}
-	return res;
-}
-
-/*! \brief Output parking event to manager */
-static void post_manager_event(const char *s, struct parkeduser *pu)
-{
-	manager_event(EVENT_FLAG_CALL, s,
-		"Exten: %s\r\n"
-		"Channel: %s\r\n"
-		"CallerIDNum: %s\r\n"
-		"CallerIDName: %s\r\n\r\n",
-		pu->parkingexten, 
-		pu->chan->name,
-		S_OR(pu->chan->cid.cid_num, "<unknown>"),
-		S_OR(pu->chan->cid.cid_name, "<unknown>")
-		);
-}
-
-/*! 
- * \brief Take care of parked calls and unpark them if needed 
- * \param ignore unused var.
- * 
- * Start inf loop, lock parking lot, check if any parked channels have gone above timeout
- * if so, remove channel from parking lot and return it to the extension that parked it.
- * Check if parked channel decided to hangup, wait until next FD via select().
-*/
-static void *do_parking_thread(void *ignore)
-{
-	char parkingslot[AST_MAX_EXTENSION];
-	fd_set rfds, efds;	/* results from previous select, to be preserved across loops. */
-
-	FD_ZERO(&rfds);
-	FD_ZERO(&efds);
-
-	for (;;) {
-		struct parkeduser *pu;
-		int ms = -1;	/* select timeout, uninitialized */
-		int max = -1;	/* max fd, none there yet */
-		fd_set nrfds, nefds;	/* args for the next select */
-		FD_ZERO(&nrfds);
-		FD_ZERO(&nefds);
-
-		AST_LIST_LOCK(&parkinglot);
-		AST_LIST_TRAVERSE_SAFE_BEGIN(&parkinglot, pu, list) {
-			struct ast_channel *chan = pu->chan;	/* shorthand */
-			int tms;        /* timeout for this item */
-			int x;          /* fd index in channel */
-			struct ast_context *con;
-
-			if (pu->notquiteyet) /* Pretend this one isn't here yet */
-				continue;
-			tms = ast_tvdiff_ms(ast_tvnow(), pu->start);
-			if (tms > pu->parkingtime) {
-				ast_indicate(chan, AST_CONTROL_UNHOLD);
-				/* Get chan, exten from derived kludge */
-				if (pu->peername[0]) {
-					char *peername = ast_strdupa(pu->peername);
-					char *cp = strrchr(peername, '-');
-					char peername_flat[AST_MAX_EXTENSION]; /* using something like Zap/52 for an extension name is NOT a good idea */
-					int i;
-
-					if (cp) 
-						*cp = 0;
-					ast_copy_string(peername_flat,peername,sizeof(peername_flat));
-					for(i=0; peername_flat[i] && i < AST_MAX_EXTENSION; i++) {
-						if (peername_flat[i] == '/') 
-							peername_flat[i]= '0';
-					}
-					con = ast_context_find(parking_con_dial);
-					if (!con) {
-						con = ast_context_create(NULL, parking_con_dial, registrar);
-						if (!con)
-							ast_log(LOG_ERROR, "Parking dial context '%s' does not exist and unable to create\n", parking_con_dial);
-					}
-					if (con) {
-						char returnexten[AST_MAX_EXTENSION];
-						snprintf(returnexten, sizeof(returnexten), "%s,,t", peername);
-						ast_add_extension2(con, 1, peername_flat, 1, NULL, NULL, "Dial", ast_strdup(returnexten), ast_free_ptr, registrar);
-					}
-					if (comebacktoorigin) { 
-						set_c_e_p(chan, parking_con_dial, peername_flat, 1);
-					} else {
-						ast_log(LOG_WARNING, "now going to parkedcallstimeout,s,1 | ps is %d\n",pu->parkingnum);
-						snprintf(parkingslot, sizeof(parkingslot), "%d", pu->parkingnum);
-						pbx_builtin_setvar_helper(pu->chan, "PARKINGSLOT", parkingslot);
-						set_c_e_p(chan, "parkedcallstimeout", peername_flat, 1);
-					}
-				} else {
-					/* They've been waiting too long, send them back to where they came.  Theoretically they
-					   should have their original extensions and such, but we copy to be on the safe side */
-					set_c_e_p(chan, pu->context, pu->exten, pu->priority);
-				}
-
-				post_manager_event("ParkedCallTimeOut", pu);
-
-				ast_verb(2, "Timeout for %s parked on %d. Returning to %s,%s,%d\n", chan->name, pu->parkingnum, chan->context, chan->exten, chan->priority);
-				/* Start up the PBX, or hang them up */
-				if (ast_pbx_start(chan))  {
-					ast_log(LOG_WARNING, "Unable to restart the PBX for user on '%s', hanging them up...\n", chan->name);
-					ast_hangup(chan);
-				}
-				/* And take them out of the parking lot */
-				AST_LIST_REMOVE_CURRENT(list);
-				con = ast_context_find(parking_con);
-				if (con) {
-					if (ast_context_remove_extension2(con, pu->parkingexten, 1, NULL))
-						ast_log(LOG_WARNING, "Whoa, failed to remove the extension!\n");
-					else
-						notify_metermaids(pu->parkingexten, parking_con, AST_DEVICE_NOT_INUSE);
-				} else
-					ast_log(LOG_WARNING, "Whoa, no parking context?\n");
-				ast_free(pu);
-			} else {	/* still within parking time, process descriptors */
-				for (x = 0; x < AST_MAX_FDS; x++) {
-					struct ast_frame *f;
-
-					if (chan->fds[x] == -1 || (!FD_ISSET(chan->fds[x], &rfds) && !FD_ISSET(chan->fds[x], &efds)))
-						continue;	/* nothing on this descriptor */
-
-					if (FD_ISSET(chan->fds[x], &efds))
-						ast_set_flag(chan, AST_FLAG_EXCEPTION);
-					else
-						ast_clear_flag(chan, AST_FLAG_EXCEPTION);
-					chan->fdno = x;
-
-					/* See if they need servicing */
-					f = ast_read(chan);
-					if (!f || (f->frametype == AST_FRAME_CONTROL && f->subclass ==  AST_CONTROL_HANGUP)) {
-						if (f)
-							ast_frfree(f);
-						post_manager_event("ParkedCallGiveUp", pu);
-
-						/* There's a problem, hang them up*/
-						ast_verb(2, "%s got tired of being parked\n", chan->name);
-						ast_hangup(chan);
-						/* And take them out of the parking lot */
-						AST_LIST_REMOVE_CURRENT(list);
-						con = ast_context_find(parking_con);
-						if (con) {
-							if (ast_context_remove_extension2(con, pu->parkingexten, 1, NULL))
-								ast_log(LOG_WARNING, "Whoa, failed to remove the extension!\n");
-							else
-								notify_metermaids(pu->parkingexten, parking_con, AST_DEVICE_NOT_INUSE);
-						} else
-							ast_log(LOG_WARNING, "Whoa, no parking context?\n");
-						ast_free(pu);
-						break;
-					} else {
-						/*! \todo XXX Maybe we could do something with packets, like dial "0" for operator or something XXX */
-						ast_frfree(f);
-						if (pu->moh_trys < 3 && !chan->generatordata) {
-							ast_debug(1, "MOH on parked call stopped by outside source.  Restarting.\n");
-							ast_indicate_data(chan, AST_CONTROL_HOLD, 
-								S_OR(parkmohclass, NULL),
-								!ast_strlen_zero(parkmohclass) ? strlen(parkmohclass) + 1 : 0);
-							pu->moh_trys++;
-						}
-						goto std;	/*! \todo XXX Ick: jumping into an else statement??? XXX */
-					}
-
-				} /* end for */
-				if (x >= AST_MAX_FDS) {
-std:					for (x=0; x<AST_MAX_FDS; x++) {	/* mark fds for next round */
-						if (chan->fds[x] > -1) {
-							FD_SET(chan->fds[x], &nrfds);
-							FD_SET(chan->fds[x], &nefds);
-							if (chan->fds[x] > max)
-								max = chan->fds[x];
-						}
-					}
-					/* Keep track of our shortest wait */
-					if (tms < ms || ms < 0)
-						ms = tms;
-				}
-			}
-		} /* end while */
-		AST_LIST_TRAVERSE_SAFE_END
-		AST_LIST_UNLOCK(&parkinglot);
-		rfds = nrfds;
-		efds = nefds;
-		{
-			struct timeval tv = ast_samp2tv(ms, 1000);
-			/* Wait for something to happen */
-			ast_select(max + 1, &rfds, NULL, &efds, (ms > -1) ? &tv : NULL);
-		}
-		pthread_testcancel();
-	}
-	return NULL;	/* Never reached */
-}
-
-/*! \brief Park a call */
-static int park_call_exec(struct ast_channel *chan, void *data)
-{
-	/* Cache the original channel name in case we get masqueraded in the middle
-	 * of a park--it is still theoretically possible for a transfer to happen before
-	 * we get here, but it is _really_ unlikely */
-	char *orig_chan_name = ast_strdupa(chan->name);
-	char orig_exten[AST_MAX_EXTENSION];
-	int orig_priority = chan->priority;
-
-	/* Data is unused at the moment but could contain a parking
-	   lot context eventually */
-	int res = 0;
-
-	ast_copy_string(orig_exten, chan->exten, sizeof(orig_exten));
-
-	/* Setup the exten/priority to be s/1 since we don't know
-	   where this call should return */
-	strcpy(chan->exten, "s");
-	chan->priority = 1;
-	/* Answer if call is not up */
-	if (chan->_state != AST_STATE_UP)
-		res = ast_answer(chan);
-	/* Sleep to allow VoIP streams to settle down */
-	if (!res)
-		res = ast_safe_sleep(chan, 1000);
-	/* Park the call */
-	if (!res) {
-		res = park_call_full(chan, chan, 0, NULL, orig_chan_name);
-		/* Continue on in the dialplan */
-		if (res == 1) {
-			ast_copy_string(chan->exten, orig_exten, sizeof(chan->exten));
-			chan->priority = orig_priority;
-			res = 0;
-		} else if (!res)
-			res = AST_PBX_KEEPALIVE;
-	}
-
-	return res;
-}
-
-/*! \brief Pickup parked call */
-static int park_exec(struct ast_channel *chan, void *data)
-{
-	int res = 0;
-	struct ast_channel *peer=NULL;
-	struct parkeduser *pu;
-	struct ast_context *con;
-	int park = 0;
-	struct ast_bridge_config config;
-
-	if (data)
-		park = atoi((char *)data);
-
-	AST_LIST_LOCK(&parkinglot);
-	AST_LIST_TRAVERSE_SAFE_BEGIN(&parkinglot, pu, list) {
-		if (!data || pu->parkingnum == park) {
-			AST_LIST_REMOVE_CURRENT(list);
-			break;
-		}
-	}
-	AST_LIST_TRAVERSE_SAFE_END
-	AST_LIST_UNLOCK(&parkinglot);
-
-	if (pu) {
-		peer = pu->chan;
-		con = ast_context_find(parking_con);
-		if (con) {
-			if (ast_context_remove_extension2(con, pu->parkingexten, 1, NULL))
-				ast_log(LOG_WARNING, "Whoa, failed to remove the extension!\n");
-			else
-				notify_metermaids(pu->parkingexten, parking_con, AST_DEVICE_NOT_INUSE);
-		} else
-			ast_log(LOG_WARNING, "Whoa, no parking context?\n");
-
-		manager_event(EVENT_FLAG_CALL, "UnParkedCall",
-			"Exten: %s\r\n"
-			"Channel: %s\r\n"
-			"From: %s\r\n"
-			"CallerIDNum: %s\r\n"
-			"CallerIDName: %s\r\n",
-			pu->parkingexten, pu->chan->name, chan->name,
-			S_OR(pu->chan->cid.cid_num, "<unknown>"),
-			S_OR(pu->chan->cid.cid_name, "<unknown>")
-			);
-
-		ast_free(pu);
-	}
-	/* JK02: it helps to answer the channel if not already up */
-	if (chan->_state != AST_STATE_UP)
-		ast_answer(chan);
-
-	if (peer) {
-		/* Play a courtesy to the source(s) configured to prefix the bridge connecting */
-		
-		if (!ast_strlen_zero(courtesytone)) {
-			int error = 0;
-			ast_indicate(peer, AST_CONTROL_UNHOLD);
-			if (parkedplay == 0) {
-				error = ast_stream_and_wait(chan, courtesytone, "");
-			} else if (parkedplay == 1) {
-				error = ast_stream_and_wait(peer, courtesytone, "");
-			} else if (parkedplay == 2) {
-				if (!ast_streamfile(chan, courtesytone, chan->language) &&
-						!ast_streamfile(peer, courtesytone, chan->language)) {
-					/*! \todo XXX we would like to wait on both! */
-					res = ast_waitstream(chan, "");
-					if (res >= 0)
-						res = ast_waitstream(peer, "");
-					if (res < 0)
-						error = 1;
-				}
-                        }
-			if (error) {
-				ast_log(LOG_WARNING, "Failed to play courtesy tone!\n");
-				ast_hangup(peer);
-				return -1;
-			}
-		} else
-			ast_indicate(peer, AST_CONTROL_UNHOLD); 
-
-		res = ast_channel_make_compatible(chan, peer);
-		if (res < 0) {
-			ast_log(LOG_WARNING, "Could not make channels %s and %s compatible for bridge\n", chan->name, peer->name);
-			ast_hangup(peer);
-			return -1;
-		}
-		/* This runs sorta backwards, since we give the incoming channel control, as if it
-		   were the person called. */
-		ast_verb(3, "Channel %s connected to parked call %d\n", chan->name, park);
-
-		pbx_builtin_setvar_helper(chan, "PARKEDCHANNEL", peer->name);
-		ast_cdr_setdestchan(chan->cdr, peer->name);
-		memset(&config, 0, sizeof(struct ast_bridge_config));
-		if ((parkedcalltransfers == AST_FEATURE_FLAG_BYCALLEE) || (parkedcalltransfers == AST_FEATURE_FLAG_BYBOTH))
-			ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
-		if ((parkedcalltransfers == AST_FEATURE_FLAG_BYCALLER) || (parkedcalltransfers == AST_FEATURE_FLAG_BYBOTH))
-			ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
-		if ((parkedcallreparking == AST_FEATURE_FLAG_BYCALLEE) || (parkedcallreparking == AST_FEATURE_FLAG_BYBOTH))
-			ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
-		if ((parkedcallreparking == AST_FEATURE_FLAG_BYCALLER) || (parkedcallreparking == AST_FEATURE_FLAG_BYBOTH))
-			ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
-		res = ast_bridge_call(chan, peer, &config);
-
-		pbx_builtin_setvar_helper(chan, "PARKEDCHANNEL", peer->name);
-		ast_cdr_setdestchan(chan->cdr, peer->name);
-
-		/* Simulate the PBX hanging up */
-		if (res != AST_PBX_NO_HANGUP_PEER)
-			ast_hangup(peer);
-		return res;
-	} else {
-		/*! \todo XXX Play a message XXX */
-		if (ast_stream_and_wait(chan, "pbx-invalidpark", ""))
-			ast_log(LOG_WARNING, "ast_streamfile of %s failed on %s\n", "pbx-invalidpark", chan->name);
-		ast_verb(3, "Channel %s tried to talk to nonexistent parked call %d\n", chan->name, park);
-		res = -1;
-	}
-
-	return res;
-}
-
-/*!
- * \brief CLI command to list configured features
- * \param e
- * \param cmd
- * \param a
- *
- * \retval CLI_SUCCESS on success.
- * \retval NULL when tab completion is used.
- */
-static char *handle_feature_show(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) {
-	int i;
-	struct ast_call_feature *feature;
-	char format[] = "%-25s %-7s %-7s\n";
-
-	switch (cmd) {
-	
-	case CLI_INIT:
-		e->command = "features show";
-		e->usage =
-			"Usage: features show\n"
-			"       Lists configured features\n";
-		return NULL;
-	case CLI_GENERATE:
-		return NULL;
-        }
-
-	ast_cli(a->fd, format, "Builtin Feature", "Default", "Current");
-	ast_cli(a->fd, format, "---------------", "-------", "-------");
-
-	ast_cli(a->fd, format, "Pickup", "*8", ast_pickup_ext());          /* default hardcoded above, so we'll hardcode it here */
-
-	ast_rwlock_rdlock(&features_lock);
-	for (i = 0; i < FEATURES_COUNT; i++)
-		ast_cli(a->fd, format, builtin_features[i].fname, builtin_features[i].default_exten, builtin_features[i].exten);
-	ast_rwlock_unlock(&features_lock);
-
-	ast_cli(a->fd, "\n");
-	ast_cli(a->fd, format, "Dynamic Feature", "Default", "Current");
-	ast_cli(a->fd, format, "---------------", "-------", "-------");
-	if (AST_LIST_EMPTY(&feature_list))
-		ast_cli(a->fd, "(none)\n");
-	else {
-		AST_LIST_LOCK(&feature_list);
-		AST_LIST_TRAVERSE(&feature_list, feature, feature_entry)
-			ast_cli(a->fd, format, feature->sname, "no def", feature->exten);
-		AST_LIST_UNLOCK(&feature_list);
-	}
-	ast_cli(a->fd, "\nCall parking\n");
-	ast_cli(a->fd, "------------\n");
-	ast_cli(a->fd,"%-20s:      %s\n", "Parking extension", parking_ext);
-	ast_cli(a->fd,"%-20s:      %s\n", "Parking context", parking_con);
-	ast_cli(a->fd,"%-20s:      %d-%d\n", "Parked call extensions", parking_start, parking_stop);
-	ast_cli(a->fd,"\n");
-
-	return CLI_SUCCESS;
-}
-
-static char mandescr_bridge[] =
-"Description: Bridge together two channels already in the PBX\n"
-"Variables: ( Headers marked with * are required )\n"
-"   *Channel1: Channel to Bridge to Channel2\n"
-"   *Channel2: Channel to Bridge to Channel1\n"
-"        Tone: (Yes|No) Play courtesy tone to Channel 2\n"
-"\n";
-
-/*!
- * \brief Actual bridge
- * \param chan
- * \param tmpchan
- * 
- * Stop hold music, lock both channels, masq channels,
- * after bridge return channel to next priority.
-*/
-static void do_bridge_masquerade(struct ast_channel *chan, struct ast_channel *tmpchan)
-{
-	ast_moh_stop(chan);
-	ast_channel_lock(chan);
-	ast_setstate(tmpchan, chan->_state);
-	tmpchan->readformat = chan->readformat;
-	tmpchan->writeformat = chan->writeformat;
-	ast_channel_masquerade(tmpchan, chan);
-	ast_channel_lock(tmpchan);
-	ast_do_masquerade(tmpchan);
-	/* when returning from bridge, the channel will continue at the next priority */
-	ast_explicit_goto(tmpchan, chan->context, chan->exten, chan->priority + 1);
-	ast_channel_unlock(tmpchan);
-	ast_channel_unlock(chan);
-}
-
-/*!
- * \brief Bridge channels together
- * \param s
- * \param m
- * 
- * Make sure valid channels were specified, 
- * send errors if any of the channels could not be found/locked, answer channels if needed,
- * create the placeholder channels and grab the other channels 
- * make the channels compatible, send error if we fail doing so 
- * setup the bridge thread object and start the bridge.
- * 
- * \retval 0 on success or on incorrect use.
- * \retval 1 on failure to bridge channels.
-*/
-static int action_bridge(struct mansession *s, const struct message *m)
-{
-	const char *channela = astman_get_header(m, "Channel1");
-	const char *channelb = astman_get_header(m, "Channel2");
-	const char *playtone = astman_get_header(m, "Tone");
-	struct ast_channel *chana = NULL, *chanb = NULL;
-	struct ast_channel *tmpchana = NULL, *tmpchanb = NULL;
-	struct ast_bridge_thread_obj *tobj = NULL;
-
-	/* make sure valid channels were specified */
-	if (!ast_strlen_zero(channela) && !ast_strlen_zero(channelb)) {
-		chana = ast_get_channel_by_name_prefix_locked(channela, strlen(channela));
-		chanb = ast_get_channel_by_name_prefix_locked(channelb, strlen(channelb));
-		if (chana)
-			ast_channel_unlock(chana);
-		if (chanb)
-			ast_channel_unlock(chanb);
-
-		/* send errors if any of the channels could not be found/locked */
-		if (!chana) {
-			char buf[256];
-			snprintf(buf, sizeof(buf), "Channel1 does not exists: %s", channela);
-			astman_send_error(s, m, buf);
-			return 0;
-		}
-		if (!chanb) {
-			char buf[256];
-			snprintf(buf, sizeof(buf), "Channel2 does not exists: %s", channelb);
-			astman_send_error(s, m, buf);
-			return 0;
-		}
-	} else {
-		astman_send_error(s, m, "Missing channel parameter in request");
-		return 0;
-	}
-
-	/* Answer the channels if needed */
-	if (chana->_state != AST_STATE_UP)
-		ast_answer(chana);
-	if (chanb->_state != AST_STATE_UP)
-		ast_answer(chanb);
-
-	/* create the placeholder channels and grab the other channels */
-	if (!(tmpchana = ast_channel_alloc(0, AST_STATE_DOWN, NULL, NULL, NULL, 
-		NULL, NULL, 0, "Bridge/%s", chana->name))) {
-		astman_send_error(s, m, "Unable to create temporary channel!");
-		return 1;
-	}
-
-	if (!(tmpchanb = ast_channel_alloc(0, AST_STATE_DOWN, NULL, NULL, NULL, 
-		NULL, NULL, 0, "Bridge/%s", chanb->name))) {
-		astman_send_error(s, m, "Unable to create temporary channels!");
-		ast_channel_free(tmpchana);
-		return 1;
-	}
-
-	do_bridge_masquerade(chana, tmpchana);
-	do_bridge_masquerade(chanb, tmpchanb);
-	
-	/* make the channels compatible, send error if we fail doing so */
-	if (ast_channel_make_compatible(tmpchana, tmpchanb)) {
-		ast_log(LOG_WARNING, "Could not make channels %s and %s compatible for manager bridge\n", tmpchana->name, tmpchanb->name);
-		astman_send_error(s, m, "Could not make channels compatible for manager bridge");
-		ast_hangup(tmpchana);
-		ast_hangup(tmpchanb);
-		return 1;
-	}
-
-	/* setup the bridge thread object and start the bridge */
-	if (!(tobj = ast_calloc(1, sizeof(*tobj)))) {
-		ast_log(LOG_WARNING, "Unable to spawn a new bridge thread on %s and %s: %s\n", tmpchana->name, tmpchanb->name, strerror(errno));
-		astman_send_error(s, m, "Unable to spawn a new bridge thread");
-		ast_hangup(tmpchana);
-		ast_hangup(tmpchanb);
-		return 1;
-	}
-
-	tobj->chan = tmpchana;
-	tobj->peer = tmpchanb;
-	tobj->return_to_pbx = 1;
-	
-	if (ast_true(playtone)) {
-		if (!ast_strlen_zero(xfersound) && !ast_streamfile(tmpchanb, xfersound, tmpchanb->language)) {
-			if (ast_waitstream(tmpchanb, "") < 0)
-				ast_log(LOG_WARNING, "Failed to play a courtesy tone on chan %s\n", tmpchanb->name);
-		}
-	}
-
-	ast_bridge_call_thread_launch(tobj);
-
-	astman_send_ack(s, m, "Launched bridge thread with success");
-
-	return 0;
-}
-
-/*!
- * \brief CLI command to list parked calls
- * \param e 
- * \param cmd
- * \param a
- *  
- * Check right usage, lock parking lot, display parked calls, unlock parking lot list.
- * \retval CLI_SUCCESS on success.
- * \retval CLI_SHOWUSAGE on incorrect number of arguments.
- * \retval NULL when tab completion is used.
-*/
-static char *handle_parkedcalls(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
-{
-	struct parkeduser *cur;
-	int numparked = 0;
-
-	switch (cmd) {
-	case CLI_INIT:
-		e->command = "parkedcalls show";
-		e->usage =
-			"Usage: parkedcalls show\n"
-			"       List currently parked calls\n";
-		return NULL;
-	case CLI_GENERATE:
-		return NULL;
-	}
-
-	if (a->argc > e->args)
-		return CLI_SHOWUSAGE;
-
-	ast_cli(a->fd, "%4s %25s (%-15s %-12s %-4s) %-6s \n", "Num", "Channel"
-		, "Context", "Extension", "Pri", "Timeout");
-
-	AST_LIST_LOCK(&parkinglot);
-	AST_LIST_TRAVERSE(&parkinglot, cur, list) {
-		ast_cli(a->fd, "%-10.10s %25s (%-15s %-12s %-4d) %6lds\n"
-			,cur->parkingexten, cur->chan->name, cur->context, cur->exten
-			,cur->priority, cur->start.tv_sec + (cur->parkingtime/1000) - time(NULL));
-
-		numparked++;
-	}
-	AST_LIST_UNLOCK(&parkinglot);
-	ast_cli(a->fd, "%d parked call%s.\n", numparked, ESS(numparked));
-
-
-	return CLI_SUCCESS;
-}
-
-static char *handle_parkedcalls_deprecated(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
-{
-	char *res = handle_parkedcalls(e, cmd, a);
-	if (cmd == CLI_INIT)
-		e->command = "show parkedcalls";
-	return res;
-}
-
-static struct ast_cli_entry cli_show_parkedcalls_deprecated = AST_CLI_DEFINE(handle_parkedcalls_deprecated, "List currently parked calls.");
-
-static struct ast_cli_entry cli_features[] = {
-	AST_CLI_DEFINE(handle_feature_show, "Lists configured features"),
-	AST_CLI_DEFINE(handle_parkedcalls, "List currently parked calls", .deprecate_cmd = &cli_show_parkedcalls_deprecated),
-};
-
-/*! 
- * \brief Dump parking lot status
- * \param s
- * \param m
- * 
- * Lock parking lot, iterate list and append parked calls status, unlock parking lot.
- * \return Always RESULT_SUCCESS 
-*/
-static int manager_parking_status(struct mansession *s, const struct message *m)
-{
-	struct parkeduser *cur;
-	const char *id = astman_get_header(m, "ActionID");
-	char idText[256] = "";
-
-	if (!ast_strlen_zero(id))
-		snprintf(idText, sizeof(idText), "ActionID: %s\r\n", id);
-
-	astman_send_ack(s, m, "Parked calls will follow");
-
-	AST_LIST_LOCK(&parkinglot);
-
-	AST_LIST_TRAVERSE(&parkinglot, cur, list) {
-		astman_append(s, "Event: ParkedCall\r\n"
-			"Exten: %d\r\n"
-			"Channel: %s\r\n"
-			"From: %s\r\n"
-			"Timeout: %ld\r\n"
-			"CallerIDNum: %s\r\n"
-			"CallerIDName: %s\r\n"
-			"%s"
-			"\r\n",
-			cur->parkingnum, cur->chan->name, cur->peername,
-			(long) cur->start.tv_sec + (long) (cur->parkingtime / 1000) - (long) time(NULL),
-			S_OR(cur->chan->cid.cid_num, ""),	/* XXX in other places it is <unknown> */
-			S_OR(cur->chan->cid.cid_name, ""),
-			idText);
-	}
-
-	astman_append(s,
-		"Event: ParkedCallsComplete\r\n"
-		"%s"
-		"\r\n",idText);
-
-	AST_LIST_UNLOCK(&parkinglot);
-
-	return RESULT_SUCCESS;
-}
-
-static char mandescr_park[] =
-"Description: Park a channel.\n"
-"Variables: (Names marked with * are required)\n"
-"	*Channel: Channel name to park\n"
-"	*Channel2: Channel to announce park info to (and return to if timeout)\n"
-"	Timeout: Number of milliseconds to wait before callback.\n";  
-
-/*!
- * \brief Create manager event for parked calls
- * \param s
- * \param m
- *
- * Get channels involved in park, create event.
- * \return Always 0
-*/
-static int manager_park(struct mansession *s, const struct message *m)
-{
-	const char *channel = astman_get_header(m, "Channel");
-	const char *channel2 = astman_get_header(m, "Channel2");
-	const char *timeout = astman_get_header(m, "Timeout");
-	char buf[BUFSIZ];
-	int to = 0;
-	int res = 0;
-	int parkExt = 0;
-	struct ast_channel *ch1, *ch2;
-
-	if (ast_strlen_zero(channel)) {
-		astman_send_error(s, m, "Channel not specified");
-		return 0;
-	}
-
-	if (ast_strlen_zero(channel2)) {
-		astman_send_error(s, m, "Channel2 not specified");
-		return 0;
-	}
-
-	ch1 = ast_get_channel_by_name_locked(channel);
-	if (!ch1) {
-		snprintf(buf, sizeof(buf), "Channel does not exist: %s", channel);
-		astman_send_error(s, m, buf);
-		return 0;
-	}
-
-	ch2 = ast_get_channel_by_name_locked(channel2);
-	if (!ch2) {
-		snprintf(buf, sizeof(buf), "Channel does not exist: %s", channel2);
-		astman_send_error(s, m, buf);
-		ast_channel_unlock(ch1);
-		return 0;
-	}
-
-	if (!ast_strlen_zero(timeout)) {
-		sscanf(timeout, "%d", &to);
-	}
-
-	res = ast_masq_park_call(ch1, ch2, to, &parkExt);
-	if (!res) {
-		ast_softhangup(ch2, AST_SOFTHANGUP_EXPLICIT);
-		astman_send_ack(s, m, "Park successful");
-	} else {
-		astman_send_error(s, m, "Park failure");
-	}
-
-	ast_channel_unlock(ch1);
-	ast_channel_unlock(ch2);
-
-	return 0;
-}
-
-/*!
- * \brief Pickup a call
- * \param chan channel that initiated pickup.
- *
- * Walk list of channels, checking it is not itself, channel is pbx one,
- * check that the callgroup for both channels are the same and the channel is ringing.
- * Answer calling channel, flag channel as answered on queue, masq channels together.
-*/
-int ast_pickup_call(struct ast_channel *chan)
-{
-	struct ast_channel *cur = NULL;
-	int res = -1;
-
-	while ((cur = ast_channel_walk_locked(cur)) != NULL) {
-		if (!cur->pbx && 
-			(cur != chan) &&
-			(chan->pickupgroup & cur->callgroup) &&
-			((cur->_state == AST_STATE_RINGING) ||
-			 (cur->_state == AST_STATE_RING))) {
-			 	break;
-		}
-		ast_channel_unlock(cur);
-	}
-	if (cur) {
-		ast_debug(1, "Call pickup on chan '%s' by '%s'\n",cur->name, chan->name);
-		res = ast_answer(chan);
-		if (res)
-			ast_log(LOG_WARNING, "Unable to answer '%s'\n", chan->name);
-		res = ast_queue_control(chan, AST_CONTROL_ANSWER);
-		if (res)
-			ast_log(LOG_WARNING, "Unable to queue answer on '%s'\n", chan->name);
-		res = ast_channel_masquerade(cur, chan);
-		if (res)
-			ast_log(LOG_WARNING, "Unable to masquerade '%s' into '%s'\n", chan->name, cur->name);		/* Done */
-		ast_channel_unlock(cur);
-	} else	{
-		ast_debug(1, "No call pickup possible...\n");
-	}
-	return res;
-}
-
-/*! 
- * \brief Add parking hints for all defined parking lots 
- * \param context
- * \param start starting parkinglot number
- * \param stop ending parkinglot number
-*/
-static void park_add_hints(char *context, int start, int stop)
-{
-	int numext;
-	char device[AST_MAX_EXTENSION];
-	char exten[10];
-
-	for (numext = start; numext <= stop; numext++) {
-		snprintf(exten, sizeof(exten), "%d", numext);
-		snprintf(device, sizeof(device), "park:%s@%s", exten, context);
-		ast_add_extension(context, 1, exten, PRIORITY_HINT, NULL, NULL, device, NULL, NULL, registrar);
-	}
-}
-
-
-static int load_config(void) 
-{
-	int start = 0, end = 0;
-	int res;
-	int i;
-	struct ast_context *con = NULL;
-	struct ast_config *cfg = NULL;
-	struct ast_variable *var = NULL;
-	struct feature_group *fg = NULL;
-	struct ast_flags config_flags = { 0 };
-	char old_parking_ext[AST_MAX_EXTENSION];
-	char old_parking_con[AST_MAX_EXTENSION] = "";
-	char *ctg; 
-	static const char *categories[] = { 
-		/* Categories in features.conf that are not
-		 * to be parsed as group categories
-		 */
-		"general",
-		"featuremap",
-		"applicationmap"
-	};
-
-	if (!ast_strlen_zero(parking_con)) {
-		strcpy(old_parking_ext, parking_ext);
-		strcpy(old_parking_con, parking_con);
-	} 
-
-	/* Reset to defaults */
-	strcpy(parking_con, "parkedcalls");
-	strcpy(parking_con_dial, "park-dial");
-	strcpy(parking_ext, "700");
-	strcpy(pickup_ext, "*8");
-	strcpy(parkmohclass, "default");
-	courtesytone[0] = '\0';
-	strcpy(xfersound, "beep");
-	strcpy(xferfailsound, "pbx-invalid");
-	parking_start = 701;
-	parking_stop = 750;
-	parkfindnext = 0;
-	adsipark = 0;
-	comebacktoorigin = 1;
-	parkaddhints = 0;
-	parkedcalltransfers = 0;
-	parkedcallreparking = 0;
-
-	transferdigittimeout = DEFAULT_TRANSFER_DIGIT_TIMEOUT;
-	featuredigittimeout = DEFAULT_FEATURE_DIGIT_TIMEOUT;
-	atxfernoanswertimeout = DEFAULT_NOANSWER_TIMEOUT_ATTENDED_TRANSFER;
-	atxferloopdelay = DEFAULT_ATXFER_LOOP_DELAY;
-	atxferdropcall = DEFAULT_ATXFER_DROP_CALL;
-	atxfercallbackretries = DEFAULT_ATXFER_CALLBACK_RETRIES;
-
-	cfg = ast_config_load("features.conf", config_flags);
-	if (!cfg) {
-		ast_log(LOG_WARNING,"Could not load features.conf\n");
-		return AST_MODULE_LOAD_DECLINE;
-	}
-	for (var = ast_variable_browse(cfg, "general"); var; var = var->next) {
-		if (!strcasecmp(var->name, "parkext")) {
-			ast_copy_string(parking_ext, var->value, sizeof(parking_ext));
-		} else if (!strcasecmp(var->name, "context")) {
-			ast_copy_string(parking_con, var->value, sizeof(parking_con));
-		} else if (!strcasecmp(var->name, "parkingtime")) {
-			if ((sscanf(var->value, "%d", &parkingtime) != 1) || (parkingtime < 1)) {
-				ast_log(LOG_WARNING, "%s is not a valid parkingtime\n", var->value);
-				parkingtime = DEFAULT_PARK_TIME;
-			} else
-				parkingtime = parkingtime * 1000;
-		} else if (!strcasecmp(var->name, "parkpos")) {
-			if (sscanf(var->value, "%d-%d", &start, &end) != 2) {
-				ast_log(LOG_WARNING, "Format for parking positions is a-b, where a and b are numbers at line %d of features.conf\n", var->lineno);
-			} else {
-				parking_start = start;
-				parking_stop = end;
-			}
-		} else if (!strcasecmp(var->name, "findslot")) {
-			parkfindnext = (!strcasecmp(var->value, "next"));
-		} else if (!strcasecmp(var->name, "parkinghints")) {
-			parkaddhints = ast_true(var->value);
-		} else if (!strcasecmp(var->name, "parkedcalltransfers")) {
-			if (!strcasecmp(var->value, "both"))
-				parkedcalltransfers = AST_FEATURE_FLAG_BYBOTH;
-			else if (!strcasecmp(var->value, "caller"))
-				parkedcalltransfers = AST_FEATURE_FLAG_BYCALLER;
-			else if (!strcasecmp(var->value, "callee"))
-				parkedcalltransfers = AST_FEATURE_FLAG_BYCALLEE;
-		} else if (!strcasecmp(var->name, "parkedcallreparking")) {
-			if (!strcasecmp(var->value, "both"))
-				parkedcalltransfers = AST_FEATURE_FLAG_BYBOTH;
-			else if (!strcasecmp(var->value, "caller"))
-				parkedcalltransfers = AST_FEATURE_FLAG_BYCALLER;
-			else if (!strcasecmp(var->value, "callee"))
-				parkedcalltransfers = AST_FEATURE_FLAG_BYCALLEE;
-		} else if (!strcasecmp(var->name, "adsipark")) {
-			adsipark = ast_true(var->value);
-		} else if (!strcasecmp(var->name, "transferdigittimeout")) {
-			if ((sscanf(var->value, "%d", &transferdigittimeout) != 1) || (transferdigittimeout < 1)) {
-				ast_log(LOG_WARNING, "%s is not a valid transferdigittimeout\n", var->value);
-				transferdigittimeout = DEFAULT_TRANSFER_DIGIT_TIMEOUT;
-			} else
-				transferdigittimeout = transferdigittimeout * 1000;
-		} else if (!strcasecmp(var->name, "featuredigittimeout")) {
-			if ((sscanf(var->value, "%d", &featuredigittimeout) != 1) || (featuredigittimeout < 1)) {
-				ast_log(LOG_WARNING, "%s is not a valid featuredigittimeout\n", var->value);
-				featuredigittimeout = DEFAULT_FEATURE_DIGIT_TIMEOUT;
-			}
-		} else if (!strcasecmp(var->name, "atxfernoanswertimeout")) {
-			if ((sscanf(var->value, "%d", &atxfernoanswertimeout) != 1) || (atxfernoanswertimeout < 1)) {
-				ast_log(LOG_WARNING, "%s is not a valid atxfernoanswertimeout\n", var->value);
-				atxfernoanswertimeout = DEFAULT_NOANSWER_TIMEOUT_ATTENDED_TRANSFER;
-			} else
-				atxfernoanswertimeout = atxfernoanswertimeout * 1000;
-		} else if (!strcasecmp(var->name, "atxferloopdelay")) {
-			if ((sscanf(var->value, "%u", &atxferloopdelay) != 1)) {
-				ast_log(LOG_WARNING, "%s is not a valid atxferloopdelay\n", var->value);
-				atxferloopdelay = DEFAULT_ATXFER_LOOP_DELAY;
-			} else 
-				atxferloopdelay *= 1000;
-		} else if (!strcasecmp(var->name, "atxferdropcall")) {
-			atxferdropcall = ast_true(var->value);
-		} else if (!strcasecmp(var->name, "atxfercallbackretries")) {
-			if ((sscanf(var->value, "%u", &atxferloopdelay) != 1)) {
-				ast_log(LOG_WARNING, "%s is not a valid atxfercallbackretries\n", var->value);
-				atxfercallbackretries = DEFAULT_ATXFER_CALLBACK_RETRIES;
-			}
-		} else if (!strcasecmp(var->name, "courtesytone")) {
-			ast_copy_string(courtesytone, var->value, sizeof(courtesytone));
-		}  else if (!strcasecmp(var->name, "parkedplay")) {
-			if (!strcasecmp(var->value, "both"))
-				parkedplay = 2;
-			else if (!strcasecmp(var->value, "parked"))
-				parkedplay = 1;
-			else
-				parkedplay = 0;
-		} else if (!strcasecmp(var->name, "xfersound")) {
-			ast_copy_string(xfersound, var->value, sizeof(xfersound));
-		} else if (!strcasecmp(var->name, "xferfailsound")) {
-			ast_copy_string(xferfailsound, var->value, sizeof(xferfailsound));
-		} else if (!strcasecmp(var->name, "pickupexten")) {
-			ast_copy_string(pickup_ext, var->value, sizeof(pickup_ext));
-		} else if (!strcasecmp(var->name, "comebacktoorigin")) {
-			comebacktoorigin = ast_true(var->value);
-		} else if (!strcasecmp(var->name, "parkedmusicclass")) {
-			ast_copy_string(parkmohclass, var->value, sizeof(parkmohclass));
-		}
-	}
-
-	unmap_features();
-	for (var = ast_variable_browse(cfg, "featuremap"); var; var = var->next) {
-		if (remap_feature(var->name, var->value))
-			ast_log(LOG_NOTICE, "Unknown feature '%s'\n", var->name);
-	}
-
-	/* Map a key combination to an application*/
-	ast_unregister_features();
-	for (var = ast_variable_browse(cfg, "applicationmap"); var; var = var->next) {
-		char *tmp_val = ast_strdupa(var->value);
-		char *exten, *activateon, *activatedby, *app, *app_args, *moh_class; 
-		struct ast_call_feature *feature;
-
-		/* strsep() sets the argument to NULL if match not found, and it
-		 * is safe to use it with a NULL argument, so we don't check
-		 * between calls.
-		 */
-		exten = strsep(&tmp_val,",");
-		activatedby = strsep(&tmp_val,",");
-		app = strsep(&tmp_val,",");
-		app_args = strsep(&tmp_val,",");
-		moh_class = strsep(&tmp_val,",");
-
-		activateon = strsep(&activatedby, "/");	
-
-		/*! \todo XXX var_name or app_args ? */
-		if (ast_strlen_zero(app) || ast_strlen_zero(exten) || ast_strlen_zero(activateon) || ast_strlen_zero(var->name)) {
-			ast_log(LOG_NOTICE, "Please check the feature Mapping Syntax, either extension, name, or app aren't provided %s %s %s %s\n",
-				app, exten, activateon, var->name);
-			continue;
-		}
-
-		AST_LIST_LOCK(&feature_list);
-		if ((feature = find_dynamic_feature(var->name))) {
-			AST_LIST_UNLOCK(&feature_list);
-			ast_log(LOG_WARNING, "Dynamic Feature '%s' specified more than once!\n", var->name);
-			continue;
-		}
-		AST_LIST_UNLOCK(&feature_list);
-				
-		if (!(feature = ast_calloc(1, sizeof(*feature))))
-			continue;					
-
-		ast_copy_string(feature->sname, var->name, FEATURE_SNAME_LEN);
-		ast_copy_string(feature->app, app, FEATURE_APP_LEN);
-		ast_copy_string(feature->exten, exten, FEATURE_EXTEN_LEN);
-		
-		if (app_args) 
-			ast_copy_string(feature->app_args, app_args, FEATURE_APP_ARGS_LEN);
-
-		if (moh_class)
-			ast_copy_string(feature->moh_class, moh_class, FEATURE_MOH_LEN);
-			
-		ast_copy_string(feature->exten, exten, sizeof(feature->exten));
-		feature->operation = feature_exec_app;
-		ast_set_flag(feature, AST_FEATURE_FLAG_NEEDSDTMF);
-
-		/* Allow caller and calle to be specified for backwards compatability */
-		if (!strcasecmp(activateon, "self") || !strcasecmp(activateon, "caller"))
-			ast_set_flag(feature, AST_FEATURE_FLAG_ONSELF);
-		else if (!strcasecmp(activateon, "peer") || !strcasecmp(activateon, "callee"))
-			ast_set_flag(feature, AST_FEATURE_FLAG_ONPEER);
-		else {
-			ast_log(LOG_NOTICE, "Invalid 'ActivateOn' specification for feature '%s',"
-				" must be 'self', or 'peer'\n", var->name);
-			continue;
-		}
-
-		if (ast_strlen_zero(activatedby))
-			ast_set_flag(feature, AST_FEATURE_FLAG_BYBOTH);
-		else if (!strcasecmp(activatedby, "caller"))
-			ast_set_flag(feature, AST_FEATURE_FLAG_BYCALLER);
-		else if (!strcasecmp(activatedby, "callee"))
-			ast_set_flag(feature, AST_FEATURE_FLAG_BYCALLEE);
-		else if (!strcasecmp(activatedby, "both"))
-			ast_set_flag(feature, AST_FEATURE_FLAG_BYBOTH);
-		else {
-			ast_log(LOG_NOTICE, "Invalid 'ActivatedBy' specification for feature '%s',"
-				" must be 'caller', or 'callee', or 'both'\n", var->name);
-			continue;
-		}
-
-		ast_register_feature(feature);
-			
-		ast_verb(2, "Mapping Feature '%s' to app '%s(%s)' with code '%s'\n", var->name, app, app_args, exten);
-	}
-
-	ast_unregister_groups();
-	AST_RWLIST_WRLOCK(&feature_groups);
-
-	ctg = NULL;
-	while ((ctg = ast_category_browse(cfg, ctg))) {
-		for (i = 0; i < ARRAY_LEN(categories); i++) {
-			if (!strcasecmp(categories[i], ctg))
-				break;
-		}
-
-		if (i < ARRAY_LEN(categories)) 
-			continue;
-
-		if (!(fg = register_group(ctg)))
-			continue;
-
-		for (var = ast_variable_browse(cfg, ctg); var; var = var->next) {
-			struct ast_call_feature *feature;
-
-			AST_LIST_LOCK(&feature_list);
-			if(!(feature = find_dynamic_feature(var->name)) && 
-			   !(feature = ast_find_call_feature(var->name))) {
-				AST_LIST_UNLOCK(&feature_list);
-				ast_log(LOG_WARNING, "Feature '%s' was not found.\n", var->name);
-				continue;
-			}
-			AST_LIST_UNLOCK(&feature_list);
-
-			register_group_feature(fg, var->value, feature);
-		}
-	}
-
-	AST_RWLIST_UNLOCK(&feature_groups);
-
-	ast_config_destroy(cfg);
-
-	/* Remove the old parking extension */
-	if (!ast_strlen_zero(old_parking_con) && (con = ast_context_find(old_parking_con)))	{
-		if(ast_context_remove_extension2(con, old_parking_ext, 1, registrar))
-				notify_metermaids(old_parking_ext, old_parking_con, AST_DEVICE_NOT_INUSE);
-		ast_debug(1, "Removed old parking extension %s@%s\n", old_parking_ext, old_parking_con);
-	}
-	
-	if (!(con = ast_context_find(parking_con)) && !(con = ast_context_create(NULL, parking_con, registrar))) {
-		ast_log(LOG_ERROR, "Parking context '%s' does not exist and unable to create\n", parking_con);
-		return -1;
-	}
-	res = ast_add_extension2(con, 1, ast_parking_ext(), 1, NULL, NULL, parkcall, NULL, NULL, registrar);
-	if (parkaddhints)
-		park_add_hints(parking_con, parking_start, parking_stop);
-	if (!res)
-		notify_metermaids(ast_parking_ext(), parking_con, AST_DEVICE_INUSE);
-	return res;
-
-}
-
-static char *app_bridge = "Bridge";
-static char *bridge_synopsis = "Bridge two channels";
-static char *bridge_descrip =
-"Usage: Bridge(channel[,options])\n"
-"	Allows the ability to bridge two channels via the dialplan.\n"
-"The current channel is bridged to the specified 'channel'.\n"
-"  Options:\n"
-"    p - Play a courtesy tone to 'channel'.\n"
-"This application sets the following channel variable upon completion:\n"
-" BRIDGERESULT    The result of the bridge attempt as a text string, one of\n"
-"           SUCCESS | FAILURE | LOOP | NONEXISTENT | INCOMPATIBLE\n";
-
-enum {
-	BRIDGE_OPT_PLAYTONE = (1 << 0),
-};
-
-AST_APP_OPTIONS(bridge_exec_options, BEGIN_OPTIONS
-	AST_APP_OPTION('p', BRIDGE_OPT_PLAYTONE)
-END_OPTIONS );
-
-/*!
- * \brief Bridge channels
- * \param chan
- * \param data channel to bridge with.
- * 
- * Split data, check we aren't bridging with ourself, check valid channel,
- * answer call if not already, check compatible channels, setup bridge config
- * now bridge call, if transfered party hangs up return to PBX extension.
-*/
-static int bridge_exec(struct ast_channel *chan, void *data)
-{
-	struct ast_channel *current_dest_chan, *final_dest_chan;
-	char *tmp_data  = NULL;
-	struct ast_flags opts = { 0, };
-	struct ast_bridge_config bconfig = { { 0, }, };
-
-	AST_DECLARE_APP_ARGS(args,
-		AST_APP_ARG(dest_chan);
-		AST_APP_ARG(options);
-	);
-	
-	if (ast_strlen_zero(data)) {
-		ast_log(LOG_WARNING, "Bridge require at least 1 argument specifying the other end of the bridge\n");
-		return -1;
-	}
-
-	tmp_data = ast_strdupa(data);
-	AST_STANDARD_APP_ARGS(args, tmp_data);
-	if (!ast_strlen_zero(args.options))
-		ast_app_parse_options(bridge_exec_options, &opts, NULL, args.options);
-
-	/* avoid bridge with ourselves */
-	if (!strncmp(chan->name, args.dest_chan, 
-		strlen(chan->name) < strlen(args.dest_chan) ? 
-		strlen(chan->name) : strlen(args.dest_chan))) {
-		ast_log(LOG_WARNING, "Unable to bridge channel %s with itself\n", chan->name);
-		manager_event(EVENT_FLAG_CALL, "BridgeExec",
-					"Response: Failed\r\n"
-					"Reason: Unable to bridge channel to itself\r\n"
-					"Channel1: %s\r\n"
-					"Channel2: %s\r\n",
-					chan->name, args.dest_chan);
-		pbx_builtin_setvar_helper(chan, "BRIDGERESULT", "LOOP");
-		return 0;
-	}
-
-	/* make sure we have a valid end point */
-	if (!(current_dest_chan = ast_get_channel_by_name_prefix_locked(args.dest_chan, 
-		strlen(args.dest_chan)))) {
-		ast_log(LOG_WARNING, "Bridge failed because channel %s does not exists or we "
-			"cannot get its lock\n", args.dest_chan);
-		manager_event(EVENT_FLAG_CALL, "BridgeExec",
-					"Response: Failed\r\n"
-					"Reason: Cannot grab end point\r\n"
-					"Channel1: %s\r\n"
-					"Channel2: %s\r\n", chan->name, args.dest_chan);
-		pbx_builtin_setvar_helper(chan, "BRIDGERESULT", "NONEXISTENT");
-		return 0;
-	}
-	ast_channel_unlock(current_dest_chan);
-
-	/* answer the channel if needed */
-	if (current_dest_chan->_state != AST_STATE_UP)
-		ast_answer(current_dest_chan);
-
-	/* try to allocate a place holder where current_dest_chan will be placed */
-	if (!(final_dest_chan = ast_channel_alloc(0, AST_STATE_DOWN, NULL, NULL, NULL, 
-		NULL, NULL, 0, "Bridge/%s", current_dest_chan->name))) {
-		ast_log(LOG_WARNING, "Cannot create placeholder channel for chan %s\n", args.dest_chan);
-		manager_event(EVENT_FLAG_CALL, "BridgeExec",
-					"Response: Failed\r\n"
-					"Reason: cannot create placeholder\r\n"
-					"Channel1: %s\r\n"
-					"Channel2: %s\r\n", chan->name, args.dest_chan);
-	}
-	do_bridge_masquerade(current_dest_chan, final_dest_chan);
-
-	/* now current_dest_chan is a ZOMBIE and with softhangup set to 1 and final_dest_chan is our end point */
-	/* try to make compatible, send error if we fail */
-	if (ast_channel_make_compatible(chan, final_dest_chan) < 0) {
-		ast_log(LOG_WARNING, "Could not make channels %s and %s compatible for bridge\n", chan->name, final_dest_chan->name);
-		manager_event(EVENT_FLAG_CALL, "BridgeExec",
-					"Response: Failed\r\n"
-					"Reason: Could not make channels compatible for bridge\r\n"
-					"Channel1: %s\r\n"
-					"Channel2: %s\r\n", chan->name, final_dest_chan->name);
-		ast_hangup(final_dest_chan); /* may be we should return this channel to the PBX? */
-		pbx_builtin_setvar_helper(chan, "BRIDGERESULT", "INCOMPATIBLE");
-		return 0;
-	}
-
-	/* Report that the bridge will be successfull */
-	manager_event(EVENT_FLAG_CALL, "BridgeExec",
-				"Response: Success\r\n"
-				"Channel1: %s\r\n"
-				"Channel2: %s\r\n", chan->name, final_dest_chan->name);
-
-	/* we have 2 valid channels to bridge, now it is just a matter of setting up the bridge config and starting the bridge */	
-	if (ast_test_flag(&opts, BRIDGE_OPT_PLAYTONE) && !ast_strlen_zero(xfersound)) {
-		if (!ast_streamfile(final_dest_chan, xfersound, final_dest_chan->language)) {
-			if (ast_waitstream(final_dest_chan, "") < 0)
-				ast_log(LOG_WARNING, "Failed to play courtesy tone on %s\n", final_dest_chan->name);
-		}
-	}
-	
-	/* do the bridge */
-	ast_bridge_call(chan, final_dest_chan, &bconfig);
-
-	/* the bridge has ended, set BRIDGERESULT to SUCCESS. If the other channel has not been hung up, return it to the PBX */
-	pbx_builtin_setvar_helper(chan, "BRIDGERESULT", "SUCCESS");
-	if (!ast_check_hangup(final_dest_chan)) {
-		ast_debug(1, "starting new PBX in %s,%s,%d for chan %s\n", 
-			final_dest_chan->context, final_dest_chan->exten, 
-			final_dest_chan->priority, final_dest_chan->name);
-
-		if (ast_pbx_start(final_dest_chan) != AST_PBX_SUCCESS) {
-			ast_log(LOG_WARNING, "FAILED continuing PBX on dest chan %s\n", final_dest_chan->name);
-			ast_hangup(final_dest_chan);
-		} else
-			ast_debug(1, "SUCCESS continuing PBX on chan %s\n", final_dest_chan->name);
-	} else {
-		ast_debug(1, "hangup chan %s since the other endpoint has hung up\n", final_dest_chan->name);
-		ast_hangup(final_dest_chan);
-	}
-
-	return 0;
-}
-
-static int reload(void)
-{
-	return load_config();
-}
-
-static int load_module(void)
-{
-	int res;
-
-	ast_register_application(app_bridge, bridge_exec, bridge_synopsis, bridge_descrip);	
-
-	memset(parking_ext, 0, sizeof(parking_ext));
-	memset(parking_con, 0, sizeof(parking_con));
-
-	if ((res = load_config()))
-		return res;
-	ast_cli_register_multiple(cli_features, sizeof(cli_features) / sizeof(struct ast_cli_entry));
-	ast_pthread_create(&parking_thread, NULL, do_parking_thread, NULL);
-	res = ast_register_application(parkedcall, park_exec, synopsis, descrip);
-	if (!res)
-		res = ast_register_application(parkcall, park_call_exec, synopsis2, descrip2);
-	if (!res) {
-		ast_manager_register("ParkedCalls", 0, manager_parking_status, "List parked calls");
-		ast_manager_register2("Park", EVENT_FLAG_CALL, manager_park,
-			"Park a channel", mandescr_park); 
-		ast_manager_register2("Bridge", EVENT_FLAG_CALL, action_bridge, "Bridge two channels already in the PBX", mandescr_bridge);
-	}
-
-	res |= ast_devstate_prov_add("Park", metermaidstate);
-
-	return res;
-}
-
-
-static int unload_module(void)
-{
-	struct ast_context *con;
-	ast_manager_unregister("ParkedCalls");
-	ast_manager_unregister("Bridge");
-	ast_manager_unregister("Park");
-	ast_cli_unregister_multiple(cli_features, sizeof(cli_features) / sizeof(struct ast_cli_entry));
-	ast_unregister_application(parkcall);
-	ast_unregister_application(app_bridge);
-	ast_devstate_prov_del("Park");
-	con = ast_context_find(parking_con);
-	if (con)
-		ast_context_destroy(con, registrar);
-	con = ast_context_find(parking_con_dial);
-	if (con)
-		ast_context_destroy(con, registrar); 	
-	return ast_unregister_application(parkedcall);
-}
-
-AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS, "Call Features Resource",
-		.load = load_module,
-		.unload = unload_module,
-		.reload = reload,
-	      );