Goodbye Zaptel, hello DAHDI. Removes Zaptel driver support with DAHDI. Configuration file and dialplan backwards compatability has been put in place where appropiate. Release announcement to follow.

git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.6.0@123332 f38db490-d61c-443f-a65b-d21fe96a405b

12 files changed, 274 insertions, 1012 deletions

diff --git a/apps/app_chanisavail.c b/apps/app_chanisavail.c
index d0b29bdd2..3425bc35a 100644
--- a/apps/app_chanisavail.c
+++ b/apps/app_chanisavail.c
@@ -71,7 +71,7 @@ static int chanavail_exec(struct ast_channel *chan, void *data)
 	);
 
 	if (ast_strlen_zero(data)) {
-		ast_log(LOG_WARNING, "ChanIsAvail requires an argument (Zap/1&Zap/2)\n");
+		ast_log(LOG_WARNING, "ChanIsAvail requires an argument (DAHDI/1&DAHDI/2)\n");
 		return -1;
 	}
 
diff --git a/apps/app_chanspy.c b/apps/app_chanspy.c
index 458f1cea3..992059a4e 100644
--- a/apps/app_chanspy.c
+++ b/apps/app_chanspy.c
@@ -47,6 +47,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/translate.h"
 #include "asterisk/module.h"
 #include "asterisk/lock.h"
+#include "asterisk/options.h"
 
 #define AST_NAME_STRLEN 256
 
@@ -497,30 +498,32 @@ static struct chanspy_ds *next_channel(struct ast_channel *chan,
 	const struct ast_channel *last, const char *spec,
 	const char *exten, const char *context, struct chanspy_ds *chanspy_ds)
 {
-	struct ast_channel *this;
+	struct ast_channel *next;
+	char channel_name[AST_CHANNEL_NAME];
 
 redo:
 	if (!ast_strlen_zero(spec))
-		this = ast_walk_channel_by_name_prefix_locked(last, spec, strlen(spec));
+		next = ast_walk_channel_by_name_prefix_locked(last, spec, strlen(spec));
 
 	else if (!ast_strlen_zero(exten))
-		this = ast_walk_channel_by_exten_locked(last, exten, context);
+		next = ast_walk_channel_by_exten_locked(last, exten, context);
 	else
-		this = ast_channel_walk_locked(last);
+		next = ast_channel_walk_locked(last);
 
-	if (!this)
+	if (!next)
 		return NULL;
 
-	if (!strncmp(this->name, "Zap/pseudo", 10)) {
-		ast_channel_unlock(this);
+	snprintf(channel_name, AST_CHANNEL_NAME, "%s/pseudo", dahdi_chan_name);
+	if (!strncmp(next->name, channel_name, 10)) {
+		ast_channel_unlock(next);
 		goto redo;
-	} else if (this == chan) {
-		last = this;
-		ast_channel_unlock(this);
+	} else if (next == chan) {
+		last = next;
+		ast_channel_unlock(next);
 		goto redo;
 	}
 
-	return setup_chanspy_ds(this, chanspy_ds);
+	return setup_chanspy_ds(next, chanspy_ds);
 }
 
 static int common_exec(struct ast_channel *chan, const struct ast_flags *flags,
diff --git a/apps/app_zapras.c b/apps/app_dahdiras.c
index 231a9f2a6..979724789 100644
--- a/apps/app_zapras.c
+++ b/apps/app_dahdiras.c
@@ -26,7 +26,7 @@
  */
 
 /*** MODULEINFO
-	<depend>zaptel</depend>
+	<depend>dahdi</depend>
  ***/
 
 #include "asterisk.h"
@@ -43,7 +43,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 
 #include <fcntl.h>
 
-#include "asterisk/zapata.h"
+#include "asterisk/dahdi.h"
 
 #include "asterisk/lock.h"
 #include "asterisk/file.h"
@@ -51,15 +51,15 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/pbx.h"
 #include "asterisk/module.h"
 
-static char *app = "ZapRAS";
+static char *app = "DAHDIRAS";
 
-static char *synopsis = "Executes Zaptel ISDN RAS application";
+static char *synopsis = "Executes DAHDI ISDN RAS application";
 
 static char *descrip =
-"  ZapRAS(args): Executes a RAS server using pppd on the given channel.\n"
-"The channel must be a clear channel (i.e. PRI source) and a Zaptel\n"
+"  DAHDIRAS(args): Executes a RAS server using pppd on the given channel.\n"
+"The channel must be a clear channel (i.e. PRI source) and a DAHDI\n"
 "channel to be able to use this function (No modem emulation is included).\n"
-"Your pppd must be patched to be zaptel aware. Arguments should be\n"
+"Your pppd must be patched to be dahdi aware. Arguments should be\n"
 "separated by , characters.\n";
 
 
@@ -108,7 +108,7 @@ static pid_t spawn_ras(struct ast_channel *chan, char *args)
 	memset(argv, 0, sizeof(argv));
 
 	/* First argument is executable, followed by standard
-	   arguments for zaptel PPP */
+	   arguments for dahdi PPP */
 	argv[argc++] = PPP_EXEC;
 	argv[argc++] = "nodetach";
 
@@ -121,7 +121,7 @@ static pid_t spawn_ras(struct ast_channel *chan, char *args)
 	}
 
 	argv[argc++] = "plugin";
-	argv[argc++] = "zaptel.so";
+	argv[argc++] = "dahdi.so";
 	argv[argc++] = "stdin";
 
 	/* Finally launch PPP */
@@ -136,10 +136,10 @@ static void run_ras(struct ast_channel *chan, char *args)
 	int status;
 	int res;
 	int signalled = 0;
-	struct zt_bufferinfo savebi;
+	struct dahdi_bufferinfo savebi;
 	int x;
 	
-	res = ioctl(chan->fds[0], ZT_GET_BUFINFO, &savebi);
+	res = ioctl(chan->fds[0], DAHDI_GET_BUFINFO, &savebi);
 	if(res) {
 		ast_log(LOG_WARNING, "Unable to check buffer policy on channel %s\n", chan->name);
 		return;
@@ -175,10 +175,10 @@ static void run_ras(struct ast_channel *chan, char *args)
 			}
 			/* Throw back into audio mode */
 			x = 1;
-			ioctl(chan->fds[0], ZT_AUDIOMODE, &x);
+			ioctl(chan->fds[0], DAHDI_AUDIOMODE, &x);
 
 			/* Restore saved values */
-			res = ioctl(chan->fds[0], ZT_SET_BUFINFO, &savebi);
+			res = ioctl(chan->fds[0], DAHDI_SET_BUFINFO, &savebi);
 			if (res < 0) {
 				ast_log(LOG_WARNING, "Unable to set buffer policy on channel %s\n", chan->name);
 			}
@@ -187,11 +187,11 @@ static void run_ras(struct ast_channel *chan, char *args)
 	}
 }
 
-static int zapras_exec(struct ast_channel *chan, void *data)
+static int dahdiras_exec(struct ast_channel *chan, void *data)
 {
 	int res=-1;
 	char *args;
-	ZT_PARAMS ztp;
+	DAHDI_PARAMS dahdip;
 
 	if (!data) 
 		data = "";
@@ -201,16 +201,16 @@ static int zapras_exec(struct ast_channel *chan, void *data)
 	/* Answer the channel if it's not up */
 	if (chan->_state != AST_STATE_UP)
 		ast_answer(chan);
-	if (strcasecmp(chan->tech->type, "Zap")) {
-		/* If it's not a zap channel, we're done.  Wait a couple of
+	if (strcasecmp(chan->tech->type, "DAHDI")) {
+		/* If it's not a DAHDI channel, we're done.  Wait a couple of
 		   seconds and then hangup... */
-		ast_verb(2, "Channel %s is not a Zap channel\n", chan->name);
+		ast_verb(2, "Channel %s is not a DAHDI channel\n", chan->name);
 		sleep(2);
 	} else {
-		memset(&ztp, 0, sizeof(ztp));
-		if (ioctl(chan->fds[0], ZT_GET_PARAMS, &ztp)) {
-			ast_log(LOG_WARNING, "Unable to get zaptel parameters\n");
-		} else if (ztp.sigtype != ZT_SIG_CLEAR) {
+		memset(&dahdip, 0, sizeof(dahdip));
+		if (ioctl(chan->fds[0], DAHDI_GET_PARAMS, &dahdip)) {
+			ast_log(LOG_WARNING, "Unable to get DAHDI parameters\n");
+		} else if (dahdip.sigtype != DAHDI_SIG_CLEAR) {
 			ast_verb(2, "Channel %s is not a clear channel\n", chan->name);
 		} else {
 			/* Everything should be okay.  Run PPP. */
@@ -229,8 +229,8 @@ static int unload_module(void)
 
 static int load_module(void)
 {
-	return ((ast_register_application(app, zapras_exec, synopsis, descrip)) ? AST_MODULE_LOAD_FAILURE : AST_MODULE_LOAD_SUCCESS);
+	return ((ast_register_application(app, dahdiras_exec, synopsis, descrip)) ? AST_MODULE_LOAD_FAILURE : AST_MODULE_LOAD_SUCCESS);
 }
 
-AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Zaptel ISDN Remote Access Server");
+AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "DAHDI ISDN Remote Access Server");
 
diff --git a/apps/app_zapscan.c b/apps/app_dahdiscan.c
index 5367d99d1..d7b100eac 100644
--- a/apps/app_zapscan.c
+++ b/apps/app_dahdiscan.c
@@ -5,7 +5,7 @@
  *
  * Mark Spencer <markster@digium.com>
  *
- * Modified from app_zapbarge by David Troy <dave@toad.net>
+ * Modified from app_dahdibarge by David Troy <dave@toad.net>
  *
  * Special thanks to comphealth.com for sponsoring this
  * GPL application.
@@ -23,7 +23,7 @@
 
 /*! \file
  *
- * \brief Zap Scanner
+ * \brief DAHDI Scanner
  *
  * \author Mark Spencer <markster@digium.com>
  *
@@ -31,14 +31,14 @@
  */
 
 /*** MODULEINFO
-	<depend>zaptel</depend>
+	<depend>dahdi</depend>
  ***/
 
 #include "asterisk.h"
 
 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 
-#include "asterisk/zapata.h"
+#include "asterisk/dahdi.h"
 
 #include "asterisk/lock.h"
 #include "asterisk/file.h"
@@ -51,22 +51,22 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/cli.h"
 #include "asterisk/say.h"
 
-static char *app = "ZapScan";
+static char *app = "DAHDIScan";
 
-static char *synopsis = "Scan Zap channels to monitor calls";
+static char *synopsis = "Scan DAHDI channels to monitor calls";
 
 static char *descrip =
-"  ZapScan([group]) allows a call center manager to monitor Zap channels in\n"
+"  DAHDIScan([group]) allows a call center manager to monitor DAHDI channels in\n"
 "a convenient way.  Use '#' to select the next channel and use '*' to exit\n"
 "Limit scanning to a channel GROUP by setting the option group argument.\n";
 
 
 #define CONF_SIZE 160
 
-static struct ast_channel *get_zap_channel_locked(int num) {
+static struct ast_channel *get_dahdi_channel_locked(int num) {
 	char name[80];
 	
-	snprintf(name,sizeof(name),"Zap/%d-1",num);
+	snprintf(name, sizeof(name), "%s/%d-1", dahdi_chan_name, num);
 	return ast_get_channel_by_name_locked(name);
 }
 
@@ -91,7 +91,7 @@ static int careful_write(int fd, unsigned char *data, int len)
 static int conf_run(struct ast_channel *chan, int confno, int confflags)
 {
 	int fd;
-	struct zt_confinfo ztc;
+	struct dahdi_confinfo dahdic;
 	struct ast_frame *f;
 	struct ast_channel *c;
 	struct ast_frame fr;
@@ -100,13 +100,13 @@ static int conf_run(struct ast_channel *chan, int confno, int confflags)
 	int nfds;
 	int res;
 	int flags;
-	int retryzap;
+	int retrydahdi;
 	int origfd;
 	int ret = -1;
 	char input[4];
 	int ic=0;
 	
-	ZT_BUFFERINFO bi;
+	DAHDI_BUFFERINFO bi;
 	char __buf[CONF_SIZE + AST_FRIENDLY_OFFSET];
 	char *buf = __buf + AST_FRIENDLY_OFFSET;
 	
@@ -122,11 +122,11 @@ static int conf_run(struct ast_channel *chan, int confno, int confflags)
 		goto outrun;
 	}
 	ast_indicate(chan, -1);
-	retryzap = strcasecmp(chan->tech->type, "Zap");
- zapretry:
+	retrydahdi = strcasecmp(chan->tech->type, "DAHDI");
+ dahdiretry:
 	origfd = chan->fds[0];
-	if (retryzap) {
-		fd = open("/dev/zap/pseudo", O_RDWR);
+	if (retrydahdi) {
+		fd = open("/dev/dahdi/pseudo", O_RDWR);
 		if (fd < 0) {
 			ast_log(LOG_WARNING, "Unable to open pseudo channel: %s\n", strerror(errno));
 			goto outrun;
@@ -136,7 +136,7 @@ static int conf_run(struct ast_channel *chan, int confno, int confflags)
 		if (flags < 0) {
 			ast_log(LOG_WARNING, "Unable to get flags: %s\n", strerror(errno));
 			close(fd);
-                        goto outrun;
+            goto outrun;
 		}
 		if (fcntl(fd, F_SETFL, flags | O_NONBLOCK)) {
 			ast_log(LOG_WARNING, "Unable to set flags: %s\n", strerror(errno));
@@ -146,48 +146,48 @@ static int conf_run(struct ast_channel *chan, int confno, int confflags)
 		/* Setup buffering information */
 		memset(&bi, 0, sizeof(bi));
 		bi.bufsize = CONF_SIZE;
-		bi.txbufpolicy = ZT_POLICY_IMMEDIATE;
-		bi.rxbufpolicy = ZT_POLICY_IMMEDIATE;
+		bi.txbufpolicy = DAHDI_POLICY_IMMEDIATE;
+		bi.rxbufpolicy = DAHDI_POLICY_IMMEDIATE;
 		bi.numbufs = 4;
-		if (ioctl(fd, ZT_SET_BUFINFO, &bi)) {
+		if (ioctl(fd, DAHDI_SET_BUFINFO, &bi)) {
 			ast_log(LOG_WARNING, "Unable to set buffering information: %s\n", strerror(errno));
 			close(fd);
 			goto outrun;
 		}
-                nfds = 1;
+        nfds = 1;
 	} else {
 		/* XXX Make sure we're not running on a pseudo channel XXX */
 		fd = chan->fds[0];
 		nfds = 0;
 	}
-	memset(&ztc, 0, sizeof(ztc));
+	memset(&dahdic, 0, sizeof(dahdic));
 	/* Check to see if we're in a conference... */
-        ztc.chan = 0;
-        if (ioctl(fd, ZT_GETCONF, &ztc)) {
+        dahdic.chan = 0;
+        if (ioctl(fd, DAHDI_GETCONF, &dahdic)) {
 			ast_log(LOG_WARNING, "Error getting conference\n");
 			close(fd);
 			goto outrun;
         }
-        if (ztc.confmode) {
+        if (dahdic.confmode) {
 			/* Whoa, already in a conference...  Retry... */
-			if (!retryzap) {
-				ast_debug(1, "Zap channel is in a conference already, retrying with pseudo\n");
-				retryzap = 1;
-				goto zapretry;
+			if (!retrydahdi) {
+				ast_debug(1, "DAHDI channel is in a conference already, retrying with pseudo\n");
+				retrydahdi = 1;
+				goto dahdiretry;
 			}
         }
-        memset(&ztc, 0, sizeof(ztc));
+        memset(&dahdic, 0, sizeof(dahdic));
         /* Add us to the conference */
-        ztc.chan = 0;
-        ztc.confno = confno;
-        ztc.confmode = ZT_CONF_MONITORBOTH;
+        dahdic.chan = 0;
+        dahdic.confno = confno;
+        dahdic.confmode = DAHDI_CONF_MONITORBOTH;
 		
-        if (ioctl(fd, ZT_SETCONF, &ztc)) {
+        if (ioctl(fd, DAHDI_SETCONF, &dahdic)) {
                 ast_log(LOG_WARNING, "Error setting conference\n");
                 close(fd);
                 goto outrun;
         }
-	ast_debug(1, "Placed channel %s in ZAP channel %d monitor\n", chan->name, confno);
+	ast_debug(1, "Placed channel %s in DAHDI channel %d monitor\n", chan->name, confno);
 		
         for(;;) {
 			outfd = -1;
@@ -195,13 +195,13 @@ static int conf_run(struct ast_channel *chan, int confno, int confflags)
 			c = ast_waitfor_nandfds(&chan, 1, &fd, nfds, NULL, &outfd, &ms);
 			if (c) {
 				if (c->fds[0] != origfd) {
-					if (retryzap) {
+					if (retrydahdi) {
 						/* Kill old pseudo */
 						close(fd);
 					}
 					ast_debug(1, "Ooh, something swapped out under us, starting over\n");
-					retryzap = 0;
-                                goto zapretry;
+					retrydahdi = 0;
+                                goto dahdiretry;
 				}
 				f = ast_read(c);
 				if (!f)
@@ -223,7 +223,7 @@ static int conf_run(struct ast_channel *chan, int confno, int confflags)
 						input[ic++] = '\0';
 						ic=0;
 						ret = atoi(input);
-						ast_verb(3, "Zapscan: change channel to %d\n",ret);
+						ast_verb(3, "DAHDIscan: change channel to %d\n",ret);
 						break;
 					}
 				}
@@ -263,10 +263,10 @@ static int conf_run(struct ast_channel *chan, int confno, int confflags)
         else {
 			/* Take out of conference */
 			/* Add us to the conference */
-			ztc.chan = 0;
-			ztc.confno = 0;
-			ztc.confmode = 0;
-			if (ioctl(fd, ZT_SETCONF, &ztc)) {
+			dahdic.chan = 0;
+			dahdic.confno = 0;
+			dahdic.confmode = 0;
+			if (ioctl(fd, DAHDI_SETCONF, &dahdic)) {
 				ast_log(LOG_WARNING, "Error setting conference\n");
                 }
         }
@@ -310,7 +310,7 @@ static int conf_exec(struct ast_channel *chan, void *data)
 		ast_frfree(f);
 		ichan = NULL;
 		if(input) {
-			ichan = get_zap_channel_locked(input);
+			ichan = get_dahdi_channel_locked(input);
 			input = 0;
 		}
 		
@@ -329,8 +329,8 @@ static int conf_exec(struct ast_channel *chan, void *data)
 				continue;
 			}
 		}
-		if (tempchan && (!strcmp(tempchan->tech->type, "Zap")) && (tempchan != chan) ) {
-			ast_verb(3, "Zap channel %s is in-use, monitoring...\n", tempchan->name);
+		if (tempchan && (!strcmp(tempchan->tech->type, "DAHDI")) && (tempchan != chan) ) {
+			ast_verb(3, "DAHDI channel %s is in-use, monitoring...\n", tempchan->name);
 			ast_copy_string(confstr, tempchan->name, sizeof(confstr));
 			ast_channel_unlock(tempchan);
 			if ((tmp = strchr(confstr,'-'))) {
@@ -359,5 +359,5 @@ static int load_module(void)
 	return ((ast_register_application(app, conf_exec, synopsis, descrip)) ? AST_MODULE_LOAD_FAILURE : AST_MODULE_LOAD_SUCCESS);
 }
 
-AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Scan Zap channels application");
+AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Scan DAHDI channels application");
 
diff --git a/apps/app_dial.c b/apps/app_dial.c
index 5dd160217..d7b21f6cb 100644
--- a/apps/app_dial.c
+++ b/apps/app_dial.c
@@ -168,8 +168,8 @@ static char *descrip =
 "    o    - Specify that the CallerID that was present on the *calling* channel\n"
 "           be set as the CallerID on the *called* channel. This was the\n"
 "           behavior of Asterisk 1.0 and earlier.\n"
-"    O([x]) - \"Operator Services\" mode (Zaptel channel to Zaptel channel\n"
-"             only, if specified on non-Zaptel interface, it will be ignored).\n"
+"    O([x]) - \"Operator Services\" mode (DAHDI channel to DAHDI channel\n"
+"             only, if specified on non-DAHDI interface, it will be ignored).\n"
 "             When the destination answers (presumably an operator services\n"
 "             station), the originator no longer has control of their line.\n"
 "             They may hang up, but the switch will not release their line\n"
@@ -1873,9 +1873,9 @@ static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags
 				res = -1;
 				goto done;
 			}
-			if (opermode && !strncmp(chan->name, "Zap", 3) && !strncmp(peer->name, "Zap", 3)) {
-				/* what's this special handling for Zap <-> Zap ?
-				 * A: Zap to Zap calls are natively bridged at the kernel driver
+			if (opermode && !strncmp(chan->tech->type, "DAHDI", 3) && !strncmp(peer->name, "DAHDI", 3)) {
+				/* what's this special handling for dahdi <-> dahdi ?
+				 * A: dahdi to dahdi calls are natively bridged at the kernel driver
 				 * level, so we need to ensure that this mode gets propagated
 				 * all the way down. */
 				struct oprmode oprmode;
diff --git a/apps/app_fax.c b/apps/app_fax.c
deleted file mode 100644
index a670ccad4..000000000
--- a/apps/app_fax.c
+++ /dev/null
@@ -1,741 +0,0 @@
-/*
- * Asterisk -- A telephony toolkit for Linux.
- *
- * Simple fax applications
- * 
- * 2007-2008, Dmitry Andrianov <asterisk@dima.spb.ru>
- *
- * Code based on original implementation by Steve Underwood <steveu@coppice.org>
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License
- *
- */
-
-/*** MODULEINFO
-	 <depend>spandsp</depend>
-***/
- 
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <inttypes.h>
-#include <pthread.h>
-#include <errno.h>
-#include <tiffio.h>
-
-#include <spandsp.h>
-
-#include "asterisk/lock.h"
-#include "asterisk/file.h"
-#include "asterisk/logger.h"
-#include "asterisk/channel.h"
-#include "asterisk/pbx.h"
-#include "asterisk/app.h"
-#include "asterisk/dsp.h"
-#include "asterisk/module.h"
-#include "asterisk/manager.h"
-
-static char *app_sndfax_name = "SendFAX";
-static char *app_sndfax_synopsis = "Send a FAX";
-static char *app_sndfax_desc = 
-"  SendFAX(filename[|options]):\n"
-"Send a given TIFF file to the channel as a FAX.\n"
-"The option string may contain zero or more of the following characters:\n"
-"     'a' -- makes the application behave as an answering machine\n"
-"	    The default behaviour is to behave as a calling machine.\n"
-"\n"
-"This application uses following variables:\n"
-"     LOCALSTATIONID to identify itself to the remote end.\n"
-"     LOCALHEADERINFO to generate a header line on each page.\n"
-"\n"
-"This application sets the following channel variables upon completion:\n"
-"     FAXSTATUS       - status of operation:\n"
-"			   SUCCESS | FAILED\n"
-"     FAXERROR	- Error when FAILED\n"
-"     REMOTESTATIONID - CSID of the remote side.\n"
-"     FAXPAGES	- number of pages sent.\n"
-"     FAXBITRATE      - transmition rate.\n"
-"     FAXRESOLUTION   - resolution.\n"
-"\n"
-"Returns -1 in case of user hang up or any channel error.\n"
-"Returns 0 on success.\n";
-
-static char *app_rcvfax_name = "ReceiveFAX";
-static char *app_rcvfax_synopsis = "Receive a FAX";
-static char *app_rcvfax_desc = 
-"  ReceiveFAX(filename[|options]):\n"
-"Receives a fax from the channel into the given filename overwriting\n"
-"the file if it already exists. File created will have TIFF format.\n"
-"The option string may contain zero or more of the following characters:\n"
-"     'c' -- makes the application behave as a calling machine\n"
-"	    The default behaviour is to behave as an answering machine.\n"
-"\n"
-"This application uses following variables:\n"
-"     LOCALSTATIONID to identify itself to the remote end.\n"
-"     LOCALHEADERINFO to generate a header line on each page.\n"
-"\n"
-"This application sets the following channel variables upon completion:\n"
-"     FAXSTATUS       - status of operation:\n"
-"			   SUCCESS | FAILED\n"
-"     FAXERROR	- Error when FAILED\n"
-"     REMOTESTATIONID - CSID of the remote side.\n"
-"     FAXPAGES	- number of pages sent.\n"
-"     FAXBITRATE      - transmition rate.\n"
-"     FAXRESOLUTION   - resolution.\n"
-"\n"
-"Returns -1 in case of user hang up or any channel error.\n"
-"Returns 0 on success.\n";
-
-#define MAX_SAMPLES 240
-
-/* Watchdog. I have seen situations when remote fax disconnects (because of poor line
-   quality) while SpanDSP continues staying in T30_STATE_IV_CTC state forever.
-   To avoid this, we terminate when we see that T30 state does not change for 5 minutes.
-   We also terminate application when more than 30 minutes passed regardless of
-   state changes. This is just a precaution measure - no fax should take that long */
-
-#define WATCHDOG_TOTAL_TIMEOUT	30 * 60
-#define WATCHDOG_STATE_TIMEOUT	5 * 60
-
-typedef struct {
-	struct ast_channel *chan;
-	enum ast_t38_state t38state;	/* T38 state of the channel */
-	int direction;			/* Fax direction: 0 - receiving, 1 - sending */
-	int caller_mode;
-	char *file_name;
-	
-	volatile int finished;
-} fax_session;
-
-static void span_message(int level, const char *msg)
-{
-	if (level == SPAN_LOG_ERROR) {
-		ast_log(LOG_ERROR, "%s", msg);
-	} else if (level == SPAN_LOG_WARNING) {
-		ast_log(LOG_WARNING, "%s", msg);
-	} else {
-		ast_log(LOG_DEBUG, "%s", msg);
-	}
-}
-
-static int t38_tx_packet_handler(t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count)
-{
-	struct ast_channel *chan = (struct ast_channel *) user_data;
-
-	struct ast_frame outf = {
-		.frametype = AST_FRAME_MODEM,
-		.subclass = AST_MODEM_T38,
-		.src = __FUNCTION__,
-	};
-
-	/* TODO: Asterisk does not provide means of resending the same packet multiple
-	  times so count is ignored at the moment */
-
-	AST_FRAME_SET_BUFFER(&outf, buf, 0, len);
-
-	if (ast_write(chan, &outf) < 0) {
-		ast_log(LOG_WARNING, "Unable to write frame to channel; %s\n", strerror(errno));
-		return -1;
-	}
-
-	return 0;
-}
-
-static void phase_e_handler(t30_state_t *f, void *user_data, int result)
-{
-	const char *local_ident;
-	const char *far_ident;
-	char buf[20];
-	fax_session *s = (fax_session *) user_data;
-	t30_stats_t stat;
-
-	ast_debug(1, "Fax phase E handler. result=%d\n", result);
-
-	t30_get_transfer_statistics(f, &stat);
-
-	s = (fax_session *) user_data;
-
-	if (result != T30_ERR_OK) {
-		s->finished = -1;
-
-		/* FAXSTATUS is already set to FAILED */
-		pbx_builtin_setvar_helper(s->chan, "FAXERROR", t30_completion_code_to_str(result));
-
-		ast_log(LOG_WARNING, "Error transmitting fax. result=%d: %s.\n", result, t30_completion_code_to_str(result));
-
-		return;
-	}
-	
-	s->finished = 1; 
-	
-	local_ident = t30_get_tx_ident(f);
-	far_ident = t30_get_rx_ident(f);
-	pbx_builtin_setvar_helper(s->chan, "FAXSTATUS", "SUCCESS"); 
-	pbx_builtin_setvar_helper(s->chan, "FAXERROR", NULL); 
-	pbx_builtin_setvar_helper(s->chan, "REMOTESTATIONID", far_ident);
-	snprintf(buf, sizeof(buf), "%d", stat.pages_transferred);
-	pbx_builtin_setvar_helper(s->chan, "FAXPAGES", buf);
-	snprintf(buf, sizeof(buf), "%d", stat.y_resolution);
-	pbx_builtin_setvar_helper(s->chan, "FAXRESOLUTION", buf);
-	snprintf(buf, sizeof(buf), "%d", stat.bit_rate);
-	pbx_builtin_setvar_helper(s->chan, "FAXBITRATE", buf); 
-	
-	ast_debug(1, "Fax transmitted successfully.\n");
-	ast_debug(1, "  Remote station ID: %s\n", far_ident);
-	ast_debug(1, "  Pages transferred: %d\n", stat.pages_transferred);
-	ast_debug(1, "  Image resolution:  %d x %d\n", stat.x_resolution, stat.y_resolution);
-	ast_debug(1, "  Transfer Rate:     %d\n", stat.bit_rate);
-	
-	manager_event(EVENT_FLAG_CALL,
-		      s->direction ? "FaxSent" : "FaxReceived", 
-		      "Channel: %s\r\n"
-		      "Exten: %s\r\n"
-		      "CallerID: %s\r\n"
-		      "RemoteStationID: %s\r\n"
-		      "LocalStationID: %s\r\n"
-		      "PagesTransferred: %d\r\n"
-		      "Resolution: %d\r\n"
-		      "TransferRate: %d\r\n"
-		      "FileName: %s\r\n",
-		      s->chan->name,
-		      s->chan->exten,
-		      S_OR(s->chan->cid.cid_num, ""),
-		      far_ident,
-		      local_ident,
-		      stat.pages_transferred,
-		      stat.y_resolution,
-		      stat.bit_rate,
-		      s->file_name);
-}
-
-/* === Helper functions to configure fax === */
-
-/* Setup SPAN logging according to Asterisk debug level */
-static int set_logging(logging_state_t *state)
-{
-	int level = SPAN_LOG_WARNING + option_debug;
-
-	span_log_set_message_handler(state, span_message);
-	span_log_set_level(state, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | level); 
-
-	return 0;
-}
-
-static void set_local_info(t30_state_t *state, fax_session *s)
-{
-	const char *x;
-
-	x = pbx_builtin_getvar_helper(s->chan, "LOCALSTATIONID");
-	if (!ast_strlen_zero(x))
-		t30_set_tx_ident(state, x);
-
-	x = pbx_builtin_getvar_helper(s->chan, "LOCALHEADERINFO");
-	if (!ast_strlen_zero(x))
-		t30_set_tx_page_header_info(state, x);
-}
-
-static void set_file(t30_state_t *state, fax_session *s)
-{
-	if (s->direction)
-		t30_set_tx_file(state, s->file_name, -1, -1);
-	else
-		t30_set_rx_file(state, s->file_name, -1);
-}
-
-static void set_ecm(t30_state_t *state, int ecm)
-{
-	t30_set_ecm_capability(state, ecm);
-	t30_set_supported_compressions(state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
-}
-
-/* === Generator === */
-
-/* This function is only needed to return passed params so
-   generator_activate will save it to channel's generatordata */
-static void *fax_generator_alloc(struct ast_channel *chan, void *params)
-{
-	return params;
-}
-
-static int fax_generator_generate(struct ast_channel *chan, void *data, int len, int samples)
-{
-	fax_state_t *fax = (fax_state_t*) data;
-	uint8_t buffer[AST_FRIENDLY_OFFSET + MAX_SAMPLES * sizeof(uint16_t)];
-	int16_t *buf = (int16_t *) (buffer + AST_FRIENDLY_OFFSET);
-    
-	struct ast_frame outf = {
-		.frametype = AST_FRAME_VOICE,
-		.subclass = AST_FORMAT_SLINEAR,
-		.src = __FUNCTION__,
-	};
-
-	if (samples > MAX_SAMPLES) {
-		ast_log(LOG_WARNING, "Only generating %d samples, where %d requested\n", MAX_SAMPLES, samples);
-		samples = MAX_SAMPLES;
-	}
-	
-	if ((len = fax_tx(fax, buf, samples)) > 0) {
-		outf.samples = len;
-		AST_FRAME_SET_BUFFER(&outf, buffer, AST_FRIENDLY_OFFSET, len * sizeof(int16_t));
-
-		if (ast_write(chan, &outf) < 0) {
-			ast_log(LOG_WARNING, "Failed to write frame to '%s': %s\n", chan->name, strerror(errno));
-			return -1;
-		}
-	}
-
-	return 0;
-}
-
-struct ast_generator generator = {
-	alloc:		fax_generator_alloc,
-	generate: 	fax_generator_generate,
-};
-
-
-/* === Transmission === */
-
-static int transmit_audio(fax_session *s)
-{
-	int res = -1;
-	int original_read_fmt = AST_FORMAT_SLINEAR;
-	int original_write_fmt = AST_FORMAT_SLINEAR;
-	fax_state_t fax;
-	struct ast_dsp *dsp = NULL;
-	int detect_tone = 0;
-	struct ast_frame *inf = NULL;
-	struct ast_frame *fr;
-	int last_state = 0;
-	struct timeval now, start, state_change;
-	enum ast_control_t38 t38control;
-
-	original_read_fmt = s->chan->readformat;
-	if (original_read_fmt != AST_FORMAT_SLINEAR) {
-		res = ast_set_read_format(s->chan, AST_FORMAT_SLINEAR);
-		if (res < 0) {
-			ast_log(LOG_WARNING, "Unable to set to linear read mode, giving up\n");
-			goto done;
-		}
-	}
-
-	original_write_fmt = s->chan->writeformat;
-	if (original_write_fmt != AST_FORMAT_SLINEAR) {
-		res = ast_set_write_format(s->chan, AST_FORMAT_SLINEAR);
-		if (res < 0) {
-			ast_log(LOG_WARNING, "Unable to set to linear write mode, giving up\n");
-			goto done;
-		}
-	}
-
-	/* Initialize T30 terminal */
-	fax_init(&fax, s->caller_mode);
-
-	/* Setup logging */
-	set_logging(&fax.logging);
-	set_logging(&fax.t30_state.logging);
-
-	/* Configure terminal */
-	set_local_info(&fax.t30_state, s);
-	set_file(&fax.t30_state, s);
-	set_ecm(&fax.t30_state, TRUE);
-
-	fax_set_transmit_on_idle(&fax, TRUE);
-
-	t30_set_phase_e_handler(&fax.t30_state, phase_e_handler, s);
-
-	if (s->t38state == T38_STATE_UNAVAILABLE) {
-		ast_debug(1, "T38 is unavailable on %s\n", s->chan->name);
-	} else if (!s->direction) {
-		/* We are receiving side and this means we are the side which should
-		   request T38 when the fax is detected. Use DSP to detect fax tone */
-		ast_debug(1, "Setting up CNG detection on %s\n", s->chan->name);
-		dsp = ast_dsp_new();
-		ast_dsp_set_features(dsp, DSP_FEATURE_FAX_DETECT);
-		ast_dsp_set_faxmode(dsp, DSP_FAXMODE_DETECT_CNG);
-		detect_tone = 1;
-	}
-
-	start = state_change = ast_tvnow();
-
-	ast_activate_generator(s->chan, &generator, &fax);
-
-	while (!s->finished) {
-		res = ast_waitfor(s->chan, 20);
-		if (res < 0)
-			break;
-		else if (res > 0)
-			res = 0;
-
-		inf = ast_read(s->chan);
-		if (inf == NULL) {
-			ast_debug(1, "Channel hangup\n");
-			res = -1;
-			break;
-		}
-
-		ast_debug(10, "frame %d/%d, len=%d\n", inf->frametype, inf->subclass, inf->datalen);
-
-		/* Detect fax tone */
-		if (detect_tone && inf->frametype == AST_FRAME_VOICE) {
-			/* Duplicate frame because ast_dsp_process may free the frame passed */
-			fr = ast_frdup(inf);
-
-			/* Do not pass channel to ast_dsp_process otherwise it may queue modified audio frame back */
-			fr = ast_dsp_process(NULL, dsp, fr);
-			if (fr && fr->frametype == AST_FRAME_DTMF && fr->subclass == 'f') {
-				ast_debug(1, "Fax tone detected. Requesting T38\n");
-				t38control = AST_T38_REQUEST_NEGOTIATE;
-				ast_indicate_data(s->chan, AST_CONTROL_T38, &t38control, sizeof(t38control));
-				detect_tone = 0;
-			}
-
-			ast_frfree(fr);
-		}
-
-
-		/* Check the frame type. Format also must be checked because there is a chance
-		   that a frame in old format was already queued before we set chanel format
-		   to slinear so it will still be received by ast_read */
-		if (inf->frametype == AST_FRAME_VOICE && inf->subclass == AST_FORMAT_SLINEAR) {
-
-			if (fax_rx(&fax, inf->data, inf->samples) < 0) {
-				/* I know fax_rx never returns errors. The check here is for good style only */
-				ast_log(LOG_WARNING, "fax_rx returned error\n");
-				res = -1;
-				break;
-			}
-
-			/* Watchdog */
-			if (last_state != fax.t30_state.state) {
-				state_change = ast_tvnow();
-				last_state = fax.t30_state.state;
-			}
-		} else if (inf->frametype == AST_FRAME_CONTROL && inf->subclass == AST_CONTROL_T38 &&
-				inf->datalen == sizeof(enum ast_control_t38)) {
-			t38control =*((enum ast_control_t38 *) inf->data);
-			if (t38control == AST_T38_NEGOTIATED) {
-				/* T38 switchover completed */
-				ast_debug(1, "T38 negotiated, finishing audio loop\n");
-				res = 1;
-				break;
-			}
-		}
-
-		ast_frfree(inf);
-		inf = NULL;
-
-		/* Watchdog */
-		now = ast_tvnow();
-		if (ast_tvdiff_sec(now, start) > WATCHDOG_TOTAL_TIMEOUT || ast_tvdiff_sec(now, state_change) > WATCHDOG_STATE_TIMEOUT) {
-			ast_log(LOG_WARNING, "It looks like we hung. Aborting.\n");
-			res = -1;
-			break;
-		}
-	}
-
-	ast_debug(1, "Loop finished, res=%d\n", res);
-
-	if (inf)
-		ast_frfree(inf);
-
-	if (dsp)
-		ast_dsp_free(dsp);
-
-	ast_deactivate_generator(s->chan);
-
-	/* Remove phase E handler because we do not want it to be executed
-	   only because we called t30_terminate */
-	t30_set_phase_e_handler(&fax.t30_state, NULL, NULL);
-
-	t30_terminate(&fax.t30_state);
-	fax_release(&fax);
-
-done:
-	if (original_write_fmt != AST_FORMAT_SLINEAR) {
-		if (ast_set_write_format(s->chan, original_write_fmt) < 0)
-			ast_log(LOG_WARNING, "Unable to restore write format on '%s'\n", s->chan->name);
-	}
-
-	if (original_read_fmt != AST_FORMAT_SLINEAR) {
-		if (ast_set_read_format(s->chan, original_read_fmt) < 0)
-			ast_log(LOG_WARNING, "Unable to restore read format on '%s'\n", s->chan->name);
-	}
-
-	return res;
-
-}
-
-static int transmit_t38(fax_session *s)
-{
-	int res = 0;
-	t38_terminal_state_t t38;
-	struct ast_frame *inf = NULL;
-	int last_state = 0;
-	struct timeval now, start, state_change, last_frame;
-	enum ast_control_t38 t38control;
-
-	/* Initialize terminal */
-	memset(&t38, 0, sizeof(t38));
-	if (t38_terminal_init(&t38, s->caller_mode, t38_tx_packet_handler, s->chan) == NULL) {
-		ast_log(LOG_WARNING, "Unable to start T.38 termination.\n");
-		return -1;
-	}
-
-	/* Setup logging */
-	set_logging(&t38.logging);
-	set_logging(&t38.t30_state.logging);
-	set_logging(&t38.t38.logging);
-
-	/* Configure terminal */
-	set_local_info(&t38.t30_state, s);
-	set_file(&t38.t30_state, s);
-	set_ecm(&t38.t30_state, TRUE);
-
-	t30_set_phase_e_handler(&t38.t30_state, phase_e_handler, s);
-
-	now = start = state_change = ast_tvnow();
-
-	while (!s->finished) {
-
-		res = ast_waitfor(s->chan, 20);
-		if (res < 0)
-			break;
-		else if (res > 0)
-			res = 0;
-
-		last_frame = now;
-		now = ast_tvnow();
-		t38_terminal_send_timeout(&t38, ast_tvdiff_us(now, last_frame) / (1000000 / 8000));
-
-		inf = ast_read(s->chan);
-		if (inf == NULL) {
-			ast_debug(1, "Channel hangup\n");
-			res = -1;
-			break;
-		}
-
-		ast_debug(10, "frame %d/%d, len=%d\n", inf->frametype, inf->subclass, inf->datalen);
-
-		if (inf->frametype == AST_FRAME_MODEM && inf->subclass == AST_MODEM_T38) {
-			t38_core_rx_ifp_packet(&t38.t38, inf->data, inf->datalen, inf->seqno);
-
-			/* Watchdog */
-			if (last_state != t38.t30_state.state) {
-				state_change = ast_tvnow();
-				last_state = t38.t30_state.state;
-			}
-		} else if (inf->frametype == AST_FRAME_CONTROL && inf->subclass == AST_CONTROL_T38 &&
-				inf->datalen == sizeof(enum ast_control_t38)) {
-
-			t38control = *((enum ast_control_t38 *) inf->data);
-
-			if (t38control == AST_T38_TERMINATED || t38control == AST_T38_REFUSED) {
-				ast_debug(1, "T38 down, terminating\n");
-				res = -1;
-				break;
-			}
-		}
-
-		ast_frfree(inf);
-		inf = NULL;
-
-		/* Watchdog */
-		if (ast_tvdiff_sec(now, start) > WATCHDOG_TOTAL_TIMEOUT || ast_tvdiff_sec(now, state_change) > WATCHDOG_STATE_TIMEOUT) {
-			ast_log(LOG_WARNING, "It looks like we hung. Aborting.\n");
-			res = -1;
-			break;
-		}
-	}
-
-	ast_debug(1, "Loop finished, res=%d\n", res);
-
-	if (inf)
-		ast_frfree(inf);
-
-	/* Remove phase E handler because we do not want it to be executed
-	   only because we called t30_terminate */
-	t30_set_phase_e_handler(&t38.t30_state, NULL, NULL);
-
-	t30_terminate(&t38.t30_state);
-
-	return res;
-}
-
-static int transmit(fax_session *s)
-{
-	int res = 0;
-
-	/* Clear all channel variables which to be set by the application.
-	   Pre-set status to error so in case of any problems we can just leave */
-	pbx_builtin_setvar_helper(s->chan, "FAXSTATUS", "FAILED"); 
-	pbx_builtin_setvar_helper(s->chan, "FAXERROR", "Channel problems"); 
-
-	pbx_builtin_setvar_helper(s->chan, "REMOTESTATIONID", NULL);
-	pbx_builtin_setvar_helper(s->chan, "FAXPAGES", NULL);
-	pbx_builtin_setvar_helper(s->chan, "FAXRESOLUTION", NULL);
-	pbx_builtin_setvar_helper(s->chan, "FAXBITRATE", NULL); 
-
-	if (s->chan->_state != AST_STATE_UP) {
-		/* Shouldn't need this, but checking to see if channel is already answered
-		 * Theoretically asterisk should already have answered before running the app */
-		res = ast_answer(s->chan);
-		if (res) {
-			ast_log(LOG_WARNING, "Could not answer channel '%s'\n", s->chan->name);
-			return res;
-		}
-	}
-
-	s->t38state = ast_channel_get_t38_state(s->chan);
-	if (s->t38state != T38_STATE_NEGOTIATED) {
-		/* T38 is not negotiated on the channel yet. First start regular transmission. If it switches to T38, follow */	
-		res = transmit_audio(s);
-		if (res > 0) {
-			/* transmit_audio reports switchover to T38. Update t38state */
-			s->t38state = ast_channel_get_t38_state(s->chan);
-			if (s->t38state != T38_STATE_NEGOTIATED) {
-				ast_log(LOG_ERROR, "Audio loop reports T38 switchover but t38state != T38_STATE_NEGOTIATED\n");
-			}
-		}
-	}
-
-	if (s->t38state == T38_STATE_NEGOTIATED) {
-		res = transmit_t38(s);
-	}
-
-	if (res) {
-		ast_log(LOG_WARNING, "Transmission error\n");
-		res = -1;
-	} else if (s->finished < 0) {
-		ast_log(LOG_WARNING, "Transmission failed\n");
-	} else if (s->finished > 0) {
-		ast_debug(1, "Transmission finished Ok\n");
-	}
-
-	return res;
-}
-
-/* === Application functions === */
-
-static int sndfax_exec(struct ast_channel *chan, void *data)
-{
-	int res = 0;
-	char *parse;
-	fax_session session;
-
-	AST_DECLARE_APP_ARGS(args,
-		AST_APP_ARG(file_name);
-		AST_APP_ARG(options);
-	);
-
-	if (chan == NULL) {
-		ast_log(LOG_ERROR, "Fax channel is NULL. Giving up.\n");
-		return -1;
-	}
-
-	/* The next few lines of code parse out the filename and header from the input string */
-	if (ast_strlen_zero(data)) {
-		/* No data implies no filename or anything is present */
-		ast_log(LOG_ERROR, "SendFAX requires an argument (filename)\n");
-		return -1;
-	}
-
-	parse = ast_strdupa(data);
-	AST_STANDARD_APP_ARGS(args, parse);
-	
-	session.caller_mode = TRUE;
-
-	if (args.options) {
-		if (strchr(args.options, 'a'))
-			session.caller_mode = FALSE;
-	}
-
-	/* Done parsing */
-	session.direction = 1;
-	session.file_name = args.file_name;
-	session.chan = chan;
-	session.finished = 0;
-
-	res = transmit(&session);
-
-	return res;
-}
-
-static int rcvfax_exec(struct ast_channel *chan, void *data)
-{
-	int res = 0;
-	char *parse;
-	fax_session session;
-
-	AST_DECLARE_APP_ARGS(args,
-		AST_APP_ARG(file_name);
-		AST_APP_ARG(options);
-	);
-
-	if (chan == NULL) {
-		ast_log(LOG_ERROR, "Fax channel is NULL. Giving up.\n");
-		return -1;
-	}
-
-	/* The next few lines of code parse out the filename and header from the input string */
-	if (ast_strlen_zero(data)) {
-		/* No data implies no filename or anything is present */
-		ast_log(LOG_ERROR, "ReceiveFAX requires an argument (filename)\n");
-		return -1;
-	}
-
-	parse = ast_strdupa(data);
-	AST_STANDARD_APP_ARGS(args, parse);
-	
-	session.caller_mode = FALSE;
-
-	if (args.options) {
-		if (strchr(args.options, 'c'))
-			session.caller_mode = TRUE;
-	}
-
-	/* Done parsing */
-	session.direction = 0;
-	session.file_name = args.file_name;
-	session.chan = chan;
-	session.finished = 0;
-
-	res = transmit(&session);
-
-	return res;
-}
-
-static int unload_module(void)
-{
-	int res;
-
-	res = ast_unregister_application(app_sndfax_name);	
-	res |= ast_unregister_application(app_rcvfax_name);	
-
-	return res;
-}
-
-static int load_module(void)
-{
-	int res ;
-
-	res = ast_register_application(app_sndfax_name, sndfax_exec, app_sndfax_synopsis, app_sndfax_desc);
-	res |= ast_register_application(app_rcvfax_name, rcvfax_exec, app_rcvfax_synopsis, app_rcvfax_desc);
-
-	/* The default SPAN message handler prints to stderr. It is something we do not want */
-	span_set_message_handler(NULL);
-
-	return res;
-}
-
-
-AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Simple FAX Application",
-		.load = load_module,
-		.unload = unload_module,
-		);
-
-
diff --git a/apps/app_flash.c b/apps/app_flash.c
index d57feeb91..dd13f414f 100644
--- a/apps/app_flash.c
+++ b/apps/app_flash.c
@@ -18,7 +18,7 @@
 
 /*! \file
  *
- * \brief App to flash a zap trunk
+ * \brief App to flash a DAHDI trunk
  *
  * \author Mark Spencer <markster@digium.com>
  * 
@@ -26,14 +26,14 @@
  */
  
 /*** MODULEINFO
-	<depend>zaptel</depend>
+	<depend>dahdi</depend>
  ***/
 
 #include "asterisk.h"
 
 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 
-#include "asterisk/zapata.h"
+#include "asterisk/dahdi.h"
 
 #include "asterisk/lock.h"
 #include "asterisk/file.h"
@@ -45,22 +45,22 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 
 static char *app = "Flash";
 
-static char *synopsis = "Flashes a Zap Trunk";
+static char *synopsis = "Flashes a DAHDI Trunk";
 
 static char *descrip = 
-"Performs a flash on a zap trunk.  This can be used\n"
+"Performs a flash on a DAHDI trunk.  This can be used\n"
 "to access features provided on an incoming analogue circuit\n"
 "such as conference and call waiting. Use with SendDTMF() to\n"
 "perform external transfers\n";
 
 
-static inline int zt_wait_event(int fd)
+static inline int dahdi_wait_event(int fd)
 {
-	/* Avoid the silly zt_waitevent which ignores a bunch of events */
+	/* Avoid the silly dahdi_waitevent which ignores a bunch of events */
 	int i,j=0;
-	i = ZT_IOMUX_SIGEVENT;
-	if (ioctl(fd, ZT_IOMUX, &i) == -1) return -1;
-	if (ioctl(fd, ZT_GETEVENT, &j) == -1) return -1;
+	i = DAHDI_IOMUX_SIGEVENT;
+	if (ioctl(fd, DAHDI_IOMUX, &i) == -1) return -1;
+	if (ioctl(fd, DAHDI_GETEVENT, &j) == -1) return -1;
 	return j;
 }
 
@@ -68,23 +68,23 @@ static int flash_exec(struct ast_channel *chan, void *data)
 {
 	int res = -1;
 	int x;
-	struct zt_params ztp;
+	struct dahdi_params dahdip;
 
-	if (strcasecmp(chan->tech->type, "Zap")) {
-		ast_log(LOG_WARNING, "%s is not a Zap channel\n", chan->name);
+	if (strcasecmp(chan->tech->type, "DAHDI")) {
+		ast_log(LOG_WARNING, "%s is not a DAHDI channel\n", chan->name);
 		return -1;
 	}
 	
-	memset(&ztp, 0, sizeof(ztp));
-	res = ioctl(chan->fds[0], ZT_GET_PARAMS, &ztp);
+	memset(&dahdip, 0, sizeof(dahdip));
+	res = ioctl(chan->fds[0], DAHDI_GET_PARAMS, &dahdip);
 	if (!res) {
-		if (ztp.sigtype & __ZT_SIG_FXS) {
-			x = ZT_FLASH;
-			res = ioctl(chan->fds[0], ZT_HOOK, &x);
+		if (dahdip.sigtype & __DAHDI_SIG_FXS) {
+			x = DAHDI_FLASH;
+			res = ioctl(chan->fds[0], DAHDI_HOOK, &x);
 			if (!res || (errno == EINPROGRESS)) {
 				if (res) {
 					/* Wait for the event to finish */
-					zt_wait_event(chan->fds[0]);
+					dahdi_wait_event(chan->fds[0]);
 				}
 				res = ast_safe_sleep(chan, 1000);
 				ast_verb(3, "Flashed channel %s\n", chan->name);
diff --git a/apps/app_getcpeid.c b/apps/app_getcpeid.c
index 1bab819b7..6ff051899 100644
--- a/apps/app_getcpeid.c
+++ b/apps/app_getcpeid.c
@@ -42,7 +42,7 @@ static char *synopsis = "Get ADSI CPE ID";
 
 static char *descrip =
 "  GetCPEID(): Obtains and displays ADSI CPE ID and other information in order\n"
-"to properly setup zapata.conf for on-hook operations.\n";
+"to properly setup dahdi.conf for on-hook operations.\n";
 
 
 static int cpeid_setstatus(struct ast_channel *chan, char *stuff[], int voice)
diff --git a/apps/app_meetme.c b/apps/app_meetme.c
index 8ae533d12..1dc33bd0f 100644
--- a/apps/app_meetme.c
+++ b/apps/app_meetme.c
@@ -30,14 +30,14 @@
  */
 
 /*** MODULEINFO
-	<depend>zaptel</depend>
+	<depend>dahdi</depend>
  ***/
 
 #include "asterisk.h"
 
 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 
-#include "asterisk/zapata.h"
+#include "asterisk/dahdi.h"
 
 #include "asterisk/lock.h"
 #include "asterisk/file.h"
@@ -229,15 +229,15 @@ static const char *descrip =
 "conference.  If the conference number is omitted, the user will be prompted\n"
 "to enter one.  User can exit the conference by hangup, or if the 'p' option\n"
 "is specified, by pressing '#'.\n"
-"Please note: The Zaptel kernel modules and at least one hardware driver (or ztdummy)\n"
-"             must be present for conferencing to operate properly. In addition, the chan_zap\n"
+"Please note: The DAHDI kernel modules and at least one hardware driver (or dahdi_dummy)\n"
+"             must be present for conferencing to operate properly. In addition, the chan_dahdi\n"
 "             channel driver must be loaded for the 'i' and 'r' options to operate at all.\n\n"
 "The option string may contain zero or more of the following characters:\n"
 "      'a' -- set admin mode\n"
 "      'A' -- set marked mode\n"
 "      'b' -- run AGI script specified in ${MEETME_AGI_BACKGROUND}\n"
 "             Default: conf-background.agi  (Note: This does not work with\n"
-"             non-Zap channels in the same conference)\n"
+"             non-DAHDI channels in the same conference)\n"
 "      'c' -- announce user(s) count on joining a conference\n"
 "      'C' -- continue in dialplan when kicked out of conference\n"
 "      'd' -- dynamically add conference\n"
@@ -362,7 +362,7 @@ struct ast_conference {
 	struct ast_channel *chan;               /*!< Announcements channel */
 	struct ast_channel *lchan;              /*!< Listen/Record channel */
 	int fd;                                 /*!< Announcements fd */
-	int zapconf;                            /*!< Zaptel Conf # */
+	int dahdiconf;                            /*!< DAHDI Conf # */
 	int users;                              /*!< Number of active users */
 	int markedusers;                        /*!< Number of marked users */
 	int maxusers;                           /*!< Participant limit if scheduled */
@@ -404,7 +404,7 @@ struct ast_conf_user {
 	int adminflags;                         /*!< Flags set by the Admin */
 	struct ast_channel *chan;               /*!< Connected channel */
 	int talking;                            /*!< Is user talking */
-	int zapchannel;                         /*!< Is a Zaptel channel */
+	int dahdichannel;                         /*!< Is a DAHDI channel */
 	char usrvalue[50];                      /*!< Custom User Value */
 	char namerecloc[PATH_MAX];				/*!< Name Recorded file Location */
 	time_t jointime;                        /*!< Time the user joined the conference */
@@ -640,8 +640,8 @@ static int careful_write(int fd, unsigned char *data, int len, int block)
 
 	while (len) {
 		if (block) {
-			x = ZT_IOMUX_WRITE | ZT_IOMUX_SIGEVENT;
-			res = ioctl(fd, ZT_IOMUX, &x);
+			x = DAHDI_IOMUX_WRITE | DAHDI_IOMUX_SIGEVENT;
+			res = ioctl(fd, DAHDI_IOMUX, &x);
 		} else
 			res = 0;
 		if (res >= 0)
@@ -802,7 +802,7 @@ static void conf_play(struct ast_channel *chan, struct ast_conference *conf, enu
 static struct ast_conference *build_conf(char *confno, char *pin, char *pinadmin, int make, int dynamic, int refcount, const struct ast_channel *chan)
 {
 	struct ast_conference *cnf;
-	struct zt_confinfo ztc = { 0, };
+	struct dahdi_confinfo dahdic = { 0, };
 	int confno_int = 0;
 
 	AST_LIST_LOCK(&confs);
@@ -828,11 +828,11 @@ static struct ast_conference *build_conf(char *confno, char *pin, char *pinadmin
 	ast_copy_string(cnf->pinadmin, pinadmin, sizeof(cnf->pinadmin));
 	ast_copy_string(cnf->uniqueid, chan->uniqueid, sizeof(cnf->uniqueid));
 
-	/* Setup a new zap conference */
-	ztc.confno = -1;
-	ztc.confmode = ZT_CONF_CONFANN | ZT_CONF_CONFANNMON;
-	cnf->fd = open("/dev/zap/pseudo", O_RDWR);
-	if (cnf->fd < 0 || ioctl(cnf->fd, ZT_SETCONF, &ztc)) {
+	/* Setup a new dahdi conference */
+	dahdic.confno = -1;
+	dahdic.confmode = DAHDI_CONF_CONFANN | DAHDI_CONF_CONFANNMON;
+	cnf->fd = open("/dev/dahdi/pseudo", O_RDWR);
+	if (cnf->fd < 0 || ioctl(cnf->fd, DAHDI_SETCONF, &dahdic)) {
 		ast_log(LOG_WARNING, "Unable to open pseudo device\n");
 		if (cnf->fd >= 0)
 			close(cnf->fd);
@@ -841,17 +841,17 @@ static struct ast_conference *build_conf(char *confno, char *pin, char *pinadmin
 		goto cnfout;
 	}
 
-	cnf->zapconf = ztc.confno;
+	cnf->dahdiconf = dahdic.confno;
 
 	/* Setup a new channel for playback of audio files */
-	cnf->chan = ast_request("zap", AST_FORMAT_SLINEAR, "pseudo", NULL);
+	cnf->chan = ast_request("DAHDI", AST_FORMAT_SLINEAR, "pseudo", NULL);
 	if (cnf->chan) {
 		ast_set_read_format(cnf->chan, AST_FORMAT_SLINEAR);
 		ast_set_write_format(cnf->chan, AST_FORMAT_SLINEAR);
-		ztc.chan = 0;
-		ztc.confno = cnf->zapconf;
-		ztc.confmode = ZT_CONF_CONFANN | ZT_CONF_CONFANNMON;
-		if (ioctl(cnf->chan->fds[0], ZT_SETCONF, &ztc)) {
+		dahdic.chan = 0;
+		dahdic.confno = cnf->dahdiconf;
+		dahdic.confmode = DAHDI_CONF_CONFANN | DAHDI_CONF_CONFANNMON;
+		if (ioctl(cnf->chan->fds[0], DAHDI_SETCONF, &dahdic)) {
 			ast_log(LOG_WARNING, "Error setting conference\n");
 			if (cnf->chan)
 				ast_hangup(cnf->chan);
@@ -868,7 +868,7 @@ static struct ast_conference *build_conf(char *confno, char *pin, char *pinadmin
 	cnf->start = time(NULL);
 	cnf->maxusers = 0x7fffffff;
 	cnf->isdynamic = dynamic ? 1 : 0;
-	ast_verb(3, "Created MeetMe conference %d for conference '%s'\n", cnf->zapconf, cnf->confno);
+	ast_verb(3, "Created MeetMe conference %d for conference '%s'\n", cnf->dahdiconf, cnf->confno);
 	AST_LIST_INSERT_HEAD(&confs, cnf, list);
 
 	/* Reserve conference number in map */
@@ -1310,8 +1310,8 @@ static void conf_flush(int fd, struct ast_channel *chan)
 	}
 
 	/* flush any data sitting in the pseudo channel */
-	x = ZT_FLUSH_ALL;
-	if (ioctl(fd, ZT_FLUSH, &x))
+	x = DAHDI_FLUSH_ALL;
+	if (ioctl(fd, DAHDI_FLUSH, &x))
 		ast_log(LOG_WARNING, "Error flushing channel\n");
 
 }
@@ -1480,7 +1480,7 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 	struct ast_conf_user *user = NULL;
 	struct ast_conf_user *usr = NULL;
 	int fd;
-	struct zt_confinfo ztc, ztc_empty;
+	struct dahdi_confinfo dahdic, dahdic_empty;
 	struct ast_frame *f;
 	struct ast_channel *c;
 	struct ast_frame fr;
@@ -1489,7 +1489,7 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 	int nfds;
 	int res;
 	int flags;
-	int retryzap;
+	int retrydahdi;
 	int origfd;
 	int musiconhold = 0;
 	int firstpass = 0;
@@ -1516,7 +1516,7 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 	char members[10] = "";
 	int dtmf, opt_waitmarked_timeout = 0;
 	time_t timeout = 0;
-	ZT_BUFFERINFO bi;
+	DAHDI_BUFFERINFO bi;
 	char __buf[CONF_SIZE + AST_FRIENDLY_OFFSET];
 	char *buf = __buf + AST_FRIENDLY_OFFSET;
 	char *exitkeys = NULL;
@@ -1625,13 +1625,13 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 	}
 
 	ast_mutex_lock(&conf->recordthreadlock);
-	if ((conf->recordthread == AST_PTHREADT_NULL) && (confflags & CONFFLAG_RECORDCONF) && ((conf->lchan = ast_request("zap", AST_FORMAT_SLINEAR, "pseudo", NULL)))) {
+	if ((conf->recordthread == AST_PTHREADT_NULL) && (confflags & CONFFLAG_RECORDCONF) && ((conf->lchan = ast_request("DAHDI", AST_FORMAT_SLINEAR, "pseudo", NULL)))) {
 		ast_set_read_format(conf->lchan, AST_FORMAT_SLINEAR);
 		ast_set_write_format(conf->lchan, AST_FORMAT_SLINEAR);
-		ztc.chan = 0;
-		ztc.confno = conf->zapconf;
-		ztc.confmode = ZT_CONF_CONFANN | ZT_CONF_CONFANNMON;
-		if (ioctl(conf->lchan->fds[0], ZT_SETCONF, &ztc)) {
+		dahdic.chan = 0;
+		dahdic.confno = conf->dahdiconf;
+		dahdic.confmode = DAHDI_CONF_CONFANN | DAHDI_CONF_CONFANNMON;
+		if (ioctl(conf->lchan->fds[0], DAHDI_SETCONF, &dahdic)) {
 			ast_log(LOG_WARNING, "Error starting listen channel\n");
 			ast_hangup(conf->lchan);
 			conf->lchan = NULL;
@@ -1805,13 +1805,13 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 		goto outrun;
 	}
 
-	retryzap = (strcasecmp(chan->tech->type, "Zap") || (chan->audiohooks || chan->monitor) ? 1 : 0);
-	user->zapchannel = !retryzap;
+	retrydahdi = (strcasecmp(chan->tech->type, "DAHDI") || (chan->audiohooks || chan->monitor) ? 1 : 0);
+	user->dahdichannel = !retrydahdi;
 
- zapretry:
+ dahdiretry:
 	origfd = chan->fds[0];
-	if (retryzap) {
-		fd = open("/dev/zap/pseudo", O_RDWR);
+	if (retrydahdi) {
+		fd = open("/dev/dahdi/pseudo", O_RDWR);
 		if (fd < 0) {
 			ast_log(LOG_WARNING, "Unable to open pseudo channel: %s\n", strerror(errno));
 			goto outrun;
@@ -1832,16 +1832,16 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 		/* Setup buffering information */
 		memset(&bi, 0, sizeof(bi));
 		bi.bufsize = CONF_SIZE / 2;
-		bi.txbufpolicy = ZT_POLICY_IMMEDIATE;
-		bi.rxbufpolicy = ZT_POLICY_IMMEDIATE;
+		bi.txbufpolicy = DAHDI_POLICY_IMMEDIATE;
+		bi.rxbufpolicy = DAHDI_POLICY_IMMEDIATE;
 		bi.numbufs = audio_buffers;
-		if (ioctl(fd, ZT_SET_BUFINFO, &bi)) {
+		if (ioctl(fd, DAHDI_SET_BUFINFO, &bi)) {
 			ast_log(LOG_WARNING, "Unable to set buffering information: %s\n", strerror(errno));
 			close(fd);
 			goto outrun;
 		}
 		x = 1;
-		if (ioctl(fd, ZT_SETLINEAR, &x)) {
+		if (ioctl(fd, DAHDI_SETLINEAR, &x)) {
 			ast_log(LOG_WARNING, "Unable to set linear mode: %s\n", strerror(errno));
 			close(fd);
 			goto outrun;
@@ -1852,27 +1852,27 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 		fd = chan->fds[0];
 		nfds = 0;
 	}
-	memset(&ztc, 0, sizeof(ztc));
-	memset(&ztc_empty, 0, sizeof(ztc_empty));
+	memset(&dahdic, 0, sizeof(dahdic));
+	memset(&dahdic_empty, 0, sizeof(dahdic_empty));
 	/* Check to see if we're in a conference... */
-	ztc.chan = 0;	
-	if (ioctl(fd, ZT_GETCONF, &ztc)) {
+	dahdic.chan = 0;	
+	if (ioctl(fd, DAHDI_GETCONF, &dahdic)) {
 		ast_log(LOG_WARNING, "Error getting conference\n");
 		close(fd);
 		goto outrun;
 	}
-	if (ztc.confmode) {
+	if (dahdic.confmode) {
 		/* Whoa, already in a conference...  Retry... */
-		if (!retryzap) {
-			ast_debug(1, "Zap channel is in a conference already, retrying with pseudo\n");
-			retryzap = 1;
-			goto zapretry;
+		if (!retrydahdi) {
+			ast_debug(1, "DAHDI channel is in a conference already, retrying with pseudo\n");
+			retrydahdi = 1;
+			goto dahdiretry;
 		}
 	}
-	memset(&ztc, 0, sizeof(ztc));
+	memset(&dahdic, 0, sizeof(dahdic));
 	/* Add us to the conference */
-	ztc.chan = 0;	
-	ztc.confno = conf->zapconf;
+	dahdic.chan = 0;	
+	dahdic.confno = conf->dahdiconf;
 
 	ast_mutex_lock(&conf->playlock);
 
@@ -1886,21 +1886,21 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 	}
 
 	if (confflags & CONFFLAG_WAITMARKED && !conf->markedusers)
-		ztc.confmode = ZT_CONF_CONF;
+		dahdic.confmode = DAHDI_CONF_CONF;
 	else if (confflags & CONFFLAG_MONITOR)
-		ztc.confmode = ZT_CONF_CONFMON | ZT_CONF_LISTENER;
+		dahdic.confmode = DAHDI_CONF_CONFMON | DAHDI_CONF_LISTENER;
 	else if (confflags & CONFFLAG_TALKER)
-		ztc.confmode = ZT_CONF_CONF | ZT_CONF_TALKER;
+		dahdic.confmode = DAHDI_CONF_CONF | DAHDI_CONF_TALKER;
 	else 
-		ztc.confmode = ZT_CONF_CONF | ZT_CONF_TALKER | ZT_CONF_LISTENER;
+		dahdic.confmode = DAHDI_CONF_CONF | DAHDI_CONF_TALKER | DAHDI_CONF_LISTENER;
 
-	if (ioctl(fd, ZT_SETCONF, &ztc)) {
+	if (ioctl(fd, DAHDI_SETCONF, &dahdic)) {
 		ast_log(LOG_WARNING, "Error setting conference\n");
 		close(fd);
 		ast_mutex_unlock(&conf->playlock);
 		goto outrun;
 	}
-	ast_debug(1, "Placed channel %s in ZAP conf %d\n", chan->name, conf->zapconf);
+	ast_debug(1, "Placed channel %s in ZAP conf %d\n", chan->name, conf->dahdiconf);
 
 	if (!sent_event) {
 		manager_event(EVENT_FLAG_CALL, "MeetmeJoin", 
@@ -1937,8 +1937,8 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 		if (!agifile)
 			agifile = agifiledefault;
 
-		if (user->zapchannel) {
-			/*  Set CONFMUTE mode on Zap channel to mute DTMF tones */
+		if (user->dahdichannel) {
+			/*  Set CONFMUTE mode on DAHDI channel to mute DTMF tones */
 			x = 1;
 			ast_channel_setoption(chan, AST_OPTION_TONE_VERIFY, &x, sizeof(char), 0);
 		}
@@ -1951,14 +1951,14 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 			ast_log(LOG_WARNING, "Could not find application (agi)\n");
 			ret = -2;
 		}
-		if (user->zapchannel) {
-			/*  Remove CONFMUTE mode on Zap channel */
+		if (user->dahdichannel) {
+			/*  Remove CONFMUTE mode on DAHDI channel */
 			x = 0;
 			ast_channel_setoption(chan, AST_OPTION_TONE_VERIFY, &x, sizeof(char), 0);
 		}
 	} else {
-		if (user->zapchannel && (confflags & CONFFLAG_STARMENU)) {
-			/*  Set CONFMUTE mode on Zap channel to mute DTMF tones when the menu is enabled */
+		if (user->dahdichannel && (confflags & CONFFLAG_STARMENU)) {
+			/*  Set CONFMUTE mode on DAHDI channel to mute DTMF tones when the menu is enabled */
 			x = 1;
 			ast_channel_setoption(chan, AST_OPTION_TONE_VERIFY, &x, sizeof(char), 0);
 		}	
@@ -2109,8 +2109,8 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 								ret = 0;
 							break;
 						} else {
-							ztc.confmode = ZT_CONF_CONF;
-							if (ioctl(fd, ZT_SETCONF, &ztc)) {
+							dahdic.confmode = DAHDI_CONF_CONF;
+							if (ioctl(fd, DAHDI_SETCONF, &dahdic)) {
 								ast_log(LOG_WARNING, "Error setting conference\n");
 								close(fd);
 								goto outrun;
@@ -2125,12 +2125,12 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 					/* Marked user entered, so cancel timeout */
 					timeout = 0;
 					if (confflags & CONFFLAG_MONITOR)
-						ztc.confmode = ZT_CONF_CONFMON | ZT_CONF_LISTENER;
+						dahdic.confmode = DAHDI_CONF_CONFMON | DAHDI_CONF_LISTENER;
 					else if (confflags & CONFFLAG_TALKER)
-						ztc.confmode = ZT_CONF_CONF | ZT_CONF_TALKER;
+						dahdic.confmode = DAHDI_CONF_CONF | DAHDI_CONF_TALKER;
 					else
-						ztc.confmode = ZT_CONF_CONF | ZT_CONF_TALKER | ZT_CONF_LISTENER;
-					if (ioctl(fd, ZT_SETCONF, &ztc)) {
+						dahdic.confmode = DAHDI_CONF_CONF | DAHDI_CONF_TALKER | DAHDI_CONF_LISTENER;
+					if (ioctl(fd, DAHDI_SETCONF, &dahdic)) {
 						ast_log(LOG_WARNING, "Error setting conference\n");
 						close(fd);
 						goto outrun;
@@ -2174,9 +2174,9 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 			/* Check if my modes have changed */
 
 			/* If I should be muted but am still talker, mute me */
-			if ((user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)) && (ztc.confmode & ZT_CONF_TALKER)) {
-				ztc.confmode ^= ZT_CONF_TALKER;
-				if (ioctl(fd, ZT_SETCONF, &ztc)) {
+			if ((user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)) && (dahdic.confmode & DAHDI_CONF_TALKER)) {
+				dahdic.confmode ^= DAHDI_CONF_TALKER;
+				if (ioctl(fd, DAHDI_SETCONF, &dahdic)) {
 					ast_log(LOG_WARNING, "Error setting conference - Un/Mute \n");
 					ret = -1;
 					break;
@@ -2192,9 +2192,9 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 			}
 
 			/* If I should be un-muted but am not talker, un-mute me */
-			if (!(user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)) && !(confflags & CONFFLAG_MONITOR) && !(ztc.confmode & ZT_CONF_TALKER)) {
-				ztc.confmode |= ZT_CONF_TALKER;
-				if (ioctl(fd, ZT_SETCONF, &ztc)) {
+			if (!(user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)) && !(confflags & CONFFLAG_MONITOR) && !(dahdic.confmode & DAHDI_CONF_TALKER)) {
+				dahdic.confmode |= DAHDI_CONF_TALKER;
+				if (ioctl(fd, DAHDI_SETCONF, &dahdic)) {
 					ast_log(LOG_WARNING, "Error setting conference - Un/Mute \n");
 					ret = -1;
 					break;
@@ -2253,16 +2253,16 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 			if (c) {
 				char dtmfstr[2] = "";
 
-				if (c->fds[0] != origfd || (user->zapchannel && (c->audiohooks || c->monitor))) {
+				if (c->fds[0] != origfd || (user->dahdichannel && (c->audiohooks || c->monitor))) {
 					if (using_pseudo) {
 						/* Kill old pseudo */
 						close(fd);
 						using_pseudo = 0;
 					}
 					ast_debug(1, "Ooh, something swapped out under us, starting over\n");
-					retryzap = (strcasecmp(c->tech->type, "Zap") || (c->audiohooks || c->monitor) ? 1 : 0);
-					user->zapchannel = !retryzap;
-					goto zapretry;
+					retrydahdi = (strcasecmp(c->tech->type, "DAHDI") || (c->audiohooks || c->monitor) ? 1 : 0);
+					user->dahdichannel = !retrydahdi;
+					goto dahdiretry;
 				}
 				if ((confflags & CONFFLAG_MONITOR) || (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)))
 					f = ast_read_noaudio(c);
@@ -2328,7 +2328,7 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 				} else if (((f->frametype == AST_FRAME_DTMF) && (f->subclass == '*') && (confflags & CONFFLAG_STARMENU)) || ((f->frametype == AST_FRAME_DTMF) && menu_active)) {
 					if (confflags & CONFFLAG_PASS_DTMF)
 						conf_queue_dtmf(conf, user, f);
-					if (ioctl(fd, ZT_SETCONF, &ztc_empty)) {
+					if (ioctl(fd, DAHDI_SETCONF, &dahdic_empty)) {
 						ast_log(LOG_WARNING, "Error setting conference\n");
 						close(fd);
 						ast_frfree(f);
@@ -2483,7 +2483,7 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 					if (musiconhold)
 						conf_start_moh(chan, optargs[OPT_ARG_MOH_CLASS]);
 
-					if (ioctl(fd, ZT_SETCONF, &ztc)) {
+					if (ioctl(fd, DAHDI_SETCONF, &dahdic)) {
 						ast_log(LOG_WARNING, "Error setting conference\n");
 						close(fd);
 						ast_frfree(f);
@@ -2595,10 +2595,10 @@ bailoutandtrynormal:
 		close(fd);
 	else {
 		/* Take out of conference */
-		ztc.chan = 0;	
-		ztc.confno = 0;
-		ztc.confmode = 0;
-		if (ioctl(fd, ZT_SETCONF, &ztc)) {
+		dahdic.chan = 0;	
+		dahdic.confno = 0;
+		dahdic.confmode = 0;
+		if (ioctl(fd, DAHDI_SETCONF, &dahdic)) {
 			ast_log(LOG_WARNING, "Error setting conference\n");
 		}
 	}
@@ -2800,13 +2800,13 @@ static struct ast_conference *find_conf_realtime(struct ast_channel *chan, char
 		if (confflags && !cnf->chan &&
 		    !ast_test_flag(confflags, CONFFLAG_QUIET) &&
 		    ast_test_flag(confflags, CONFFLAG_INTROUSER)) {
-			ast_log(LOG_WARNING, "No Zap channel available for conference, user introduction disabled (is chan_zap loaded?)\n");
+			ast_log(LOG_WARNING, "No DAHDI channel available for conference, user introduction disabled (is chan_dahdi loaded?)\n");
 			ast_clear_flag(confflags, CONFFLAG_INTROUSER);
 		}
 		
 		if (confflags && !cnf->chan &&
 		    ast_test_flag(confflags, CONFFLAG_RECORDCONF)) {
-			ast_log(LOG_WARNING, "No Zap channel available for conference, conference recording disabled (is chan_zap loaded?)\n");
+			ast_log(LOG_WARNING, "No DAHDI channel available for conference, conference recording disabled (is chan_dahdi loaded?)\n");
 			ast_clear_flag(confflags, CONFFLAG_RECORDCONF);
 		}
 	}
@@ -2898,13 +2898,13 @@ static struct ast_conference *find_conf(struct ast_channel *chan, char *confno,
 		if (confflags && !cnf->chan &&
 		    !ast_test_flag(confflags, CONFFLAG_QUIET) &&
 		    ast_test_flag(confflags, CONFFLAG_INTROUSER)) {
-			ast_log(LOG_WARNING, "No Zap channel available for conference, user introduction disabled (is chan_zap loaded?)\n");
+			ast_log(LOG_WARNING, "No DAHDI channel available for conference, user introduction disabled (is chan_dahdi loaded?)\n");
 			ast_clear_flag(confflags, CONFFLAG_INTROUSER);
 		}
 		
 		if (confflags && !cnf->chan &&
 		    ast_test_flag(confflags, CONFFLAG_RECORDCONF)) {
-			ast_log(LOG_WARNING, "No Zap channel available for conference, conference recording disabled (is chan_zap loaded?)\n");
+			ast_log(LOG_WARNING, "No DAHDI channel available for conference, conference recording disabled (is chan_dahdi loaded?)\n");
 			ast_clear_flag(confflags, CONFFLAG_RECORDCONF);
 		}
 	}
@@ -3688,9 +3688,9 @@ static void load_config_meetme(void)
 		if ((sscanf(val, "%d", &audio_buffers) != 1)) {
 			ast_log(LOG_WARNING, "audiobuffers setting must be a number, not '%s'\n", val);
 			audio_buffers = DEFAULT_AUDIO_BUFFERS;
-		} else if ((audio_buffers < ZT_DEFAULT_NUM_BUFS) || (audio_buffers > ZT_MAX_NUM_BUFS)) {
+		} else if ((audio_buffers < DAHDI_DEFAULT_NUM_BUFS) || (audio_buffers > DAHDI_MAX_NUM_BUFS)) {
 			ast_log(LOG_WARNING, "audiobuffers setting must be between %d and %d\n",
-				ZT_DEFAULT_NUM_BUFS, ZT_MAX_NUM_BUFS);
+				DAHDI_DEFAULT_NUM_BUFS, DAHDI_MAX_NUM_BUFS);
 			audio_buffers = DEFAULT_AUDIO_BUFFERS;
 		}
 		if (audio_buffers != DEFAULT_AUDIO_BUFFERS)
diff --git a/apps/app_page.c b/apps/app_page.c
index 5db858ce9..9f94b491d 100644
--- a/apps/app_page.c
+++ b/apps/app_page.c
@@ -26,7 +26,7 @@
  */
 
 /*** MODULEINFO
-	<depend>zaptel</depend>
+	<depend>dahdi</depend>
 	<depend>app_meetme</depend>
  ***/
 
diff --git a/apps/app_queue.c b/apps/app_queue.c
index bf020331d..1b08165fd 100644
--- a/apps/app_queue.c
+++ b/apps/app_queue.c
@@ -3285,9 +3285,9 @@ static int try_calling(struct queue_ent *qe, const char *options, char *announce
 		/* Ah ha!  Someone answered within the desired timeframe.  Of course after this
 		   we will always return with -1 so that it is hung up properly after the
 		   conversation.  */
-		if (!strcmp(qe->chan->tech->type, "Zap"))
+		if (!strcmp(qe->chan->tech->type, "DAHDI"))
 			ast_channel_setoption(qe->chan, AST_OPTION_TONE_VERIFY, &nondataquality, sizeof(nondataquality), 0);
-		if (!strcmp(peer->tech->type, "Zap"))
+		if (!strcmp(peer->tech->type, "DAHDI"))
 			ast_channel_setoption(peer, AST_OPTION_TONE_VERIFY, &nondataquality, sizeof(nondataquality), 0);
 		/* Update parameters for the queue */
 		time(&now);
diff --git a/apps/app_rpt.c b/apps/app_rpt.c
index 1246e39e8..1671d699e 100644
--- a/apps/app_rpt.c
+++ b/apps/app_rpt.c
@@ -116,7 +116,7 @@
 */
 
 /*** MODULEINFO
-	<depend>zaptel</depend>
+	<depend>dahdi</depend>
 	<depend>tonezone</depend>
 	<defaultenabled>no</defaultenabled>
  ***/
@@ -236,7 +236,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/localtime.h"
 #include "asterisk/app.h"
 
-#include "asterisk/zapata.h"
+#include "asterisk/dahdi.h"
 
 static char *app = "Rpt";
 
@@ -1634,13 +1634,13 @@ static int send_morse(struct ast_channel *chan, const char *string, int speed, i
 	ast_stopstream(chan);
 	
 	/*
-	* Wait for the zaptel driver to physically write the tone blocks to the hardware
+	* Wait for the dahdi driver to physically write the tone blocks to the hardware
 	*/
 
 	for (i = 0; i < 20 ; i++) {
-		flags =  ZT_IOMUX_WRITEEMPTY | ZT_IOMUX_NOWAIT; 
-		res = ioctl(chan->fds[0], ZT_IOMUX, &flags);
-		if (flags & ZT_IOMUX_WRITEEMPTY)
+		flags =  DAHDI_IOMUX_WRITEEMPTY | DAHDI_IOMUX_NOWAIT; 
+		res = ioctl(chan->fds[0], DAHDI_IOMUX, &flags);
+		if (flags & DAHDI_IOMUX_WRITEEMPTY)
 			break;
 		if ( ast_safe_sleep(chan, 50)) {
 			res = -1;
@@ -1685,13 +1685,13 @@ static int send_tone_telemetry(struct ast_channel *chan, const char *tonestring)
 	ast_stopstream(chan);
 
 	/*
-	* Wait for the zaptel driver to physically write the tone blocks to the hardware
+	* Wait for the dahdi driver to physically write the tone blocks to the hardware
 	*/
 
 	for (i = 0; i < 20 ; i++) {
-		flags =  ZT_IOMUX_WRITEEMPTY | ZT_IOMUX_NOWAIT; 
-		res = ioctl(chan->fds[0], ZT_IOMUX, &flags);
-		if (flags & ZT_IOMUX_WRITEEMPTY)
+		flags =  DAHDI_IOMUX_WRITEEMPTY | DAHDI_IOMUX_NOWAIT; 
+		res = ioctl(chan->fds[0], DAHDI_IOMUX, &flags);
+		if (flags & DAHDI_IOMUX_WRITEEMPTY)
 			break;
 		if (ast_safe_sleep(chan, 50)) {
 			res = -1;
@@ -1892,7 +1892,7 @@ static void wait_interval(struct rpt *myrpt, int type, struct ast_channel *chan)
 
 static void *rpt_tele_thread(void *this)
 {
-	ZT_CONFINFO ci;  /* conference info */
+	DAHDI_CONFINFO ci;  /* conference info */
 	int	res = 0, haslink, hastx, hasremote, imdone = 0, unkeys_queued, x;
 	struct rpt_tele *mytele = (struct rpt_tele *)this;
 	struct rpt_tele *tlist;
@@ -1936,9 +1936,9 @@ static void *rpt_tele_thread(void *this)
 	ci.confno = (((mytele->mode == ID) || (mytele->mode == IDTALKOVER) || (mytele->mode == UNKEY) || 
 		(mytele->mode == TAILMSG)) ?
 		 	myrpt->txconf : myrpt->conf);
-	ci.confmode = ZT_CONF_CONFANN;
+	ci.confmode = DAHDI_CONF_CONFANN;
 	/* first put the channel on the conference in announce mode */
-	if (ioctl(mychannel->fds[0], ZT_SETCONF, &ci) == -1) {
+	if (ioctl(mychannel->fds[0], DAHDI_SETCONF, &ci) == -1) {
 		ast_log(LOG_WARNING, "Unable to set conference mode to Announce\n");
 		rpt_mutex_lock(&myrpt->lock);
 		remque((struct qelem *)mytele);
@@ -2118,9 +2118,9 @@ static void *rpt_tele_thread(void *this)
 			/* set for all to hear */
 			ci.chan = 0;
 			ci.confno = myrpt->conf;
-			ci.confmode = ZT_CONF_CONFANN;
+			ci.confmode = DAHDI_CONF_CONFANN;
 			/* first put the channel on the conference in announce mode */
-			if (ioctl(mychannel->fds[0], ZT_SETCONF, &ci) == -1) {
+			if (ioctl(mychannel->fds[0], DAHDI_SETCONF, &ci) == -1) {
 				ast_log(LOG_WARNING, "Unable to set conference mode to Announce\n");
 				rpt_mutex_lock(&myrpt->lock);
 				remque((struct qelem *)mytele);
@@ -2145,9 +2145,9 @@ static void *rpt_tele_thread(void *this)
 			/* set for all to hear */
 			ci.chan = 0;
 			ci.confno = myrpt->txconf;
-			ci.confmode = ZT_CONF_CONFANN;
+			ci.confmode = DAHDI_CONF_CONFANN;
 			/* first put the channel on the conference in announce mode */
-			if (ioctl(mychannel->fds[0], ZT_SETCONF, &ci) == -1) {
+			if (ioctl(mychannel->fds[0], DAHDI_SETCONF, &ci) == -1) {
 				ast_log(LOG_WARNING, "Unable to set conference mode to Announce\n");
 				rpt_mutex_lock(&myrpt->lock);
 				remque((struct qelem *)mytele);
@@ -2525,7 +2525,7 @@ static void rpt_telemetry(struct rpt *myrpt, int mode, void *data)
 
 static void *rpt_call(void *this)
 {
-	ZT_CONFINFO ci;  /* conference info */
+	DAHDI_CONFINFO ci;  /* conference info */
 	struct rpt *myrpt = (struct rpt *)this;
 	int	res;
 	struct ast_frame wf;
@@ -2541,10 +2541,10 @@ static void *rpt_call(void *this)
 	}
 	ci.chan = 0;
 	ci.confno = myrpt->conf; /* use the pseudo conference */
-	ci.confmode = ZT_CONF_REALANDPSEUDO | ZT_CONF_TALKER | ZT_CONF_LISTENER
-		| ZT_CONF_PSEUDO_TALKER | ZT_CONF_PSEUDO_LISTENER; 
+	ci.confmode = DAHDI_CONF_REALANDPSEUDO | DAHDI_CONF_TALKER | DAHDI_CONF_LISTENER
+		| DAHDI_CONF_PSEUDO_TALKER | DAHDI_CONF_PSEUDO_LISTENER; 
 	/* first put the channel on the conference */
-	if (ioctl(mychannel->fds[0], ZT_SETCONF, &ci) == -1) {
+	if (ioctl(mychannel->fds[0], DAHDI_SETCONF, &ci) == -1) {
 		ast_log(LOG_WARNING, "Unable to set conference mode to Announce\n");
 		ast_hangup(mychannel);
 		myrpt->callmode = 0;
@@ -2559,10 +2559,10 @@ static void *rpt_call(void *this)
 	}
 	ci.chan = 0;
 	ci.confno = myrpt->conf;
-	ci.confmode = ZT_CONF_REALANDPSEUDO | ZT_CONF_TALKER | ZT_CONF_LISTENER
-		| ZT_CONF_PSEUDO_TALKER | ZT_CONF_PSEUDO_LISTENER; 
+	ci.confmode = DAHDI_CONF_REALANDPSEUDO | DAHDI_CONF_TALKER | DAHDI_CONF_LISTENER
+		| DAHDI_CONF_PSEUDO_TALKER | DAHDI_CONF_PSEUDO_LISTENER; 
 	/* first put the channel on the conference */
-	if (ioctl(genchannel->fds[0], ZT_SETCONF, &ci) == -1) {
+	if (ioctl(genchannel->fds[0], DAHDI_SETCONF, &ci) == -1) {
 		ast_log(LOG_WARNING, "Unable to set conference mode to Announce\n");
 		ast_hangup(mychannel);
 		ast_hangup(genchannel);
@@ -2584,7 +2584,7 @@ static void *rpt_call(void *this)
 		pthread_exit(NULL);
 	}
 	/* start dialtone if patchquiet is 0. Special patch modes don't send dial tone */
-	if ((!myrpt->patchquiet) && (tone_zone_play_tone(mychannel->fds[0], ZT_TONE_DIALTONE) < 0)) {
+	if ((!myrpt->patchquiet) && (tone_zone_play_tone(mychannel->fds[0], DAHDI_TONE_DIALTONE) < 0)) {
 		ast_log(LOG_WARNING, "Cannot start dialtone\n");
 		ast_hangup(mychannel);
 		ast_hangup(genchannel);
@@ -2620,7 +2620,7 @@ static void *rpt_call(void *this)
 			if (!congstarted) {
 				congstarted = 1;
 				/* start congestion tone */
-				tone_zone_play_tone(mychannel->fds[0], ZT_TONE_CONGESTION);
+				tone_zone_play_tone(mychannel->fds[0], DAHDI_TONE_CONGESTION);
 			}
 		}
 		res = ast_safe_sleep(mychannel, MSWAIT);
@@ -2689,10 +2689,10 @@ static void *rpt_call(void *this)
 	/* set appropriate conference for the pseudo */
 	ci.chan = 0;
 	ci.confno = myrpt->conf;
-	ci.confmode = (myrpt->p.duplex == 2) ? ZT_CONF_CONFANNMON :
-		(ZT_CONF_CONF | ZT_CONF_LISTENER | ZT_CONF_TALKER);
+	ci.confmode = (myrpt->p.duplex == 2) ? DAHDI_CONF_CONFANNMON :
+		(DAHDI_CONF_CONF | DAHDI_CONF_LISTENER | DAHDI_CONF_TALKER);
 	/* first put the channel on the conference in announce mode */
-	if (ioctl(myrpt->pchannel->fds[0], ZT_SETCONF, &ci) == -1) {
+	if (ioctl(myrpt->pchannel->fds[0], DAHDI_SETCONF, &ci) == -1) {
 		ast_log(LOG_WARNING, "Unable to set conference mode to Announce\n");
 		ast_hangup(mychannel);
 		ast_hangup(genchannel);
@@ -2712,7 +2712,7 @@ static void *rpt_call(void *this)
 				myrpt->callmode = 4;
 				rpt_mutex_unlock(&myrpt->lock);
 				/* start congestion tone */
-				tone_zone_play_tone(genchannel->fds[0], ZT_TONE_CONGESTION);
+				tone_zone_play_tone(genchannel->fds[0], DAHDI_TONE_CONGESTION);
 				rpt_mutex_lock(&myrpt->lock);
 			}
 		}
@@ -2744,10 +2744,10 @@ static void *rpt_call(void *this)
 	/* set appropriate conference for the pseudo */
 	ci.chan = 0;
 	ci.confno = myrpt->conf;
-	ci.confmode = ((myrpt->p.duplex == 2) || (myrpt->p.duplex == 4)) ? ZT_CONF_CONFANNMON :
-		(ZT_CONF_CONF | ZT_CONF_LISTENER | ZT_CONF_TALKER);
+	ci.confmode = ((myrpt->p.duplex == 2) || (myrpt->p.duplex == 4)) ? DAHDI_CONF_CONFANNMON :
+		(DAHDI_CONF_CONF | DAHDI_CONF_LISTENER | DAHDI_CONF_TALKER);
 	/* first put the channel on the conference in announce mode */
-	if (ioctl(myrpt->pchannel->fds[0], ZT_SETCONF, &ci) == -1) {
+	if (ioctl(myrpt->pchannel->fds[0], DAHDI_SETCONF, &ci) == -1) {
 		ast_log(LOG_WARNING, "Unable to set conference mode to Announce\n");
 	}
 	pthread_exit(NULL);
@@ -2805,7 +2805,7 @@ static int function_ilink(struct rpt *myrpt, char *param, char *digits, int comm
 	char digitbuf[MAXNODESTR];
 	struct rpt_link *l;
 	int reconnects = 0;
-	ZT_CONFINFO ci;  /* conference info */
+	DAHDI_CONFINFO ci;  /* conference info */
 	AST_DECLARE_APP_ARGS(args,
 		AST_APP_ARG(s1);
 		AST_APP_ARG(s2); /* XXX Never used.  Scratch? XXX */
@@ -2959,9 +2959,9 @@ static int function_ilink(struct rpt *myrpt, char *param, char *digits, int comm
 		/* make a conference for the pseudo-one */
 		ci.chan = 0;
 		ci.confno = myrpt->conf;
-		ci.confmode = ZT_CONF_CONF | ZT_CONF_LISTENER | ZT_CONF_TALKER;
+		ci.confmode = DAHDI_CONF_CONF | DAHDI_CONF_LISTENER | DAHDI_CONF_TALKER;
 		/* first put the channel on the conference in proper mode */
-		if (ioctl(l->pchan->fds[0], ZT_SETCONF, &ci) == -1) {
+		if (ioctl(l->pchan->fds[0], DAHDI_SETCONF, &ci) == -1) {
 			ast_log(LOG_WARNING, "Unable to set conference mode to Announce\n");
 			ast_hangup(l->chan);
 			ast_hangup(l->pchan);
@@ -3070,9 +3070,9 @@ static int function_ilink(struct rpt *myrpt, char *param, char *digits, int comm
 		/* make a conference for the tx */
 		ci.chan = 0;
 		ci.confno = myrpt->conf;
-		ci.confmode = ZT_CONF_CONF | ZT_CONF_LISTENER | ZT_CONF_TALKER;
+		ci.confmode = DAHDI_CONF_CONF | DAHDI_CONF_LISTENER | DAHDI_CONF_TALKER;
 		/* first put the channel on the conference in proper mode */
-		if (ioctl(l->pchan->fds[0], ZT_SETCONF, &ci) == -1) {
+		if (ioctl(l->pchan->fds[0], DAHDI_SETCONF, &ci) == -1) {
 			ast_log(LOG_WARNING, "Unable to set conference mode to Announce\n");
 			ast_hangup(l->chan);
 			ast_hangup(l->pchan);
@@ -3927,18 +3927,18 @@ static void rbi_out_parallel(struct rpt *myrpt, unsigned char *data)
 
 static void rbi_out(struct rpt *myrpt, unsigned char *data)
 {
-	struct zt_radio_param r = { 0, };
+	struct dahdi_radio_param r = { 0, };
 
-	r.radpar = ZT_RADPAR_REMMODE;
-	r.data = ZT_RADPAR_REM_RBI1;
+	r.radpar = DAHDI_RADPAR_REMMODE;
+	r.data = DAHDI_RADPAR_REM_RBI1;
 	/* if setparam ioctl fails, its probably not a pciradio card */
-	if (ioctl(myrpt->rxchannel->fds[0], ZT_RADIO_SETPARAM, &r) == -1) {
+	if (ioctl(myrpt->rxchannel->fds[0], DAHDI_RADIO_SETPARAM, &r) == -1) {
 		rbi_out_parallel(myrpt, data);
 		return;
 	}
-	r.radpar = ZT_RADPAR_REMCOMMAND;
+	r.radpar = DAHDI_RADPAR_REMCOMMAND;
 	memcpy(&r.data, data, 5);
-	if (ioctl(myrpt->rxchannel->fds[0], ZT_RADIO_SETPARAM, &r) == -1) {
+	if (ioctl(myrpt->rxchannel->fds[0], DAHDI_RADIO_SETPARAM, &r) == -1) {
 		ast_log(LOG_WARNING, "Cannot send RBI command for channel %s\n", myrpt->rxchannel->name);
 		return;
 	}
@@ -3947,7 +3947,7 @@ static void rbi_out(struct rpt *myrpt, unsigned char *data)
 static int serial_remote_io(struct rpt *myrpt, unsigned char *txbuf, int txbytes, char *rxbuf, int rxmaxbytes, int asciiflag)
 {
 	int i;
-	struct zt_radio_param prm;
+	struct dahdi_radio_param prm;
 
 	char *buf = alloca(30 + txbytes * 3);
 	int len;
@@ -3958,18 +3958,18 @@ static int serial_remote_io(struct rpt *myrpt, unsigned char *txbuf, int txbytes
 	strcat(buf + len, "\n");
 	ast_debug(1, "%s", buf);
 
-	prm.radpar = ZT_RADPAR_REMMODE;
+	prm.radpar = DAHDI_RADPAR_REMMODE;
 	if (asciiflag)
-		prm.data = ZT_RADPAR_REM_SERIAL_ASCII;
+		prm.data = DAHDI_RADPAR_REM_SERIAL_ASCII;
 	else
-		prm.data = ZT_RADPAR_REM_SERIAL;
-	if (ioctl(myrpt->rxchannel->fds[0], ZT_RADIO_SETPARAM, &prm) == -1)
+		prm.data = DAHDI_RADPAR_REM_SERIAL;
+	if (ioctl(myrpt->rxchannel->fds[0], DAHDI_RADIO_SETPARAM, &prm) == -1)
 		return -1;
-	prm.radpar = ZT_RADPAR_REMCOMMAND;
+	prm.radpar = DAHDI_RADPAR_REMCOMMAND;
 	prm.data = rxmaxbytes;
 	memcpy(prm.buf, txbuf, txbytes);
 	prm.index = txbytes;
-	if (ioctl(myrpt->rxchannel->fds[0], ZT_RADIO_SETPARAM, &prm) == -1)
+	if (ioctl(myrpt->rxchannel->fds[0], DAHDI_RADIO_SETPARAM, &prm) == -1)
 		return -1;
 	if (rxbuf) {
 		*rxbuf = 0;
@@ -4581,9 +4581,9 @@ static int rmt_telem_start(struct rpt *myrpt, struct ast_channel *chan, int dela
 
 static int rmt_telem_finish(struct rpt *myrpt, struct ast_channel *chan)
 {
-	struct zt_params par;
+	struct dahdi_params par;
 
-	if (ioctl(myrpt->txchannel->fds[0], ZT_GET_PARAMS, &par) == -1) {
+	if (ioctl(myrpt->txchannel->fds[0], DAHDI_GET_PARAMS, &par) == -1) {
 		return -1;
 
 	}
@@ -5657,7 +5657,7 @@ static void *rpt(void *this)
 	const char *idtalkover;
 	int ms = MSWAIT, i, lasttx=0, val, remrx=0, identqueued, othertelemqueued, tailmessagequeued, ctqueued;
 	struct ast_channel *who;
-	ZT_CONFINFO ci;  /* conference info */
+	DAHDI_CONFINFO ci;  /* conference info */
 	time_t t;
 	struct rpt_link *l, *m;
 	struct rpt_tele *telem;
@@ -5779,9 +5779,9 @@ static void *rpt(void *this)
 	/* make a conference for the tx */
 	ci.chan = 0;
 	ci.confno = -1; /* make a new conf */
-	ci.confmode = ZT_CONF_CONF | ZT_CONF_LISTENER;
+	ci.confmode = DAHDI_CONF_CONF | DAHDI_CONF_LISTENER;
 	/* first put the channel on the conference in proper mode */
-	if (ioctl(myrpt->txchannel->fds[0], ZT_SETCONF, &ci) == -1) {
+	if (ioctl(myrpt->txchannel->fds[0], DAHDI_SETCONF, &ci) == -1) {
 		ast_log(LOG_WARNING, "Unable to set conference mode to Announce\n");
 		rpt_mutex_unlock(&myrpt->lock);
 		ast_hangup(myrpt->pchannel);
@@ -5796,10 +5796,10 @@ static void *rpt(void *this)
 	/* make a conference for the pseudo */
 	ci.chan = 0;
 	ci.confno = -1; /* make a new conf */
-	ci.confmode = ((myrpt->p.duplex == 2) || (myrpt->p.duplex == 4)) ? ZT_CONF_CONFANNMON :
-		(ZT_CONF_CONF | ZT_CONF_LISTENER | ZT_CONF_TALKER);
+	ci.confmode = ((myrpt->p.duplex == 2) || (myrpt->p.duplex == 4)) ? DAHDI_CONF_CONFANNMON :
+		(DAHDI_CONF_CONF | DAHDI_CONF_LISTENER | DAHDI_CONF_TALKER);
 	/* first put the channel on the conference in announce mode */
-	if (ioctl(myrpt->pchannel->fds[0], ZT_SETCONF, &ci) == -1) {
+	if (ioctl(myrpt->pchannel->fds[0], DAHDI_SETCONF, &ci) == -1) {
 		ast_log(LOG_WARNING, "Unable to set conference mode to Announce\n");
 		rpt_mutex_unlock(&myrpt->lock);
 		ast_hangup(myrpt->pchannel);
@@ -5826,9 +5826,9 @@ static void *rpt(void *this)
 	/* make a conference for the tx */
 	ci.chan = 0;
 	ci.confno = myrpt->txconf;
-	ci.confmode = ZT_CONF_CONF | ZT_CONF_TALKER ;
+	ci.confmode = DAHDI_CONF_CONF | DAHDI_CONF_TALKER ;
  	/* first put the channel on the conference in proper mode */
-	if (ioctl(myrpt->txpchannel->fds[0], ZT_SETCONF, &ci) == -1) {
+	if (ioctl(myrpt->txpchannel->fds[0], DAHDI_SETCONF, &ci) == -1) {
 		ast_log(LOG_WARNING, "Unable to set conference mode to Announce\n");
 		rpt_mutex_unlock(&myrpt->lock);
 		ast_hangup(myrpt->txpchannel);
@@ -6816,8 +6816,8 @@ static int rpt_exec(struct ast_channel *chan, void *data)
 	struct ast_channel *who;
 	struct ast_channel *cs[20];
 	struct rpt_link *l;
-	ZT_CONFINFO ci;  /* conference info */
-	ZT_PARAMS par;
+	DAHDI_CONFINFO ci;  /* conference info */
+	DAHDI_PARAMS par;
 	int ms, elap;
 	AST_DECLARE_APP_ARGS(args,
 		AST_APP_ARG(node);
@@ -7055,9 +7055,9 @@ static int rpt_exec(struct ast_channel *chan, void *data)
 		/* make a conference for the tx */
 		ci.chan = 0;
 		ci.confno = myrpt->conf;
-		ci.confmode = ZT_CONF_CONF | ZT_CONF_LISTENER | ZT_CONF_TALKER;
+		ci.confmode = DAHDI_CONF_CONF | DAHDI_CONF_LISTENER | DAHDI_CONF_TALKER;
 		/* first put the channel on the conference in proper mode */
-		if (ioctl(l->pchan->fds[0], ZT_SETCONF, &ci) == -1) {
+		if (ioctl(l->pchan->fds[0], DAHDI_SETCONF, &ci) == -1) {
 			ast_log(LOG_WARNING, "Unable to set conference mode to Announce\n");
 			pthread_exit(NULL);
 		}
@@ -7179,13 +7179,13 @@ static int rpt_exec(struct ast_channel *chan, void *data)
 	/* if we are on 2w loop and are a remote, turn EC on */
 	if (myrpt->remote && (myrpt->rxchannel == myrpt->txchannel)) {
 		i = 128;
-		ioctl(myrpt->rxchannel->fds[0], ZT_ECHOCANCEL, &i);
+		ioctl(myrpt->rxchannel->fds[0], DAHDI_ECHOCANCEL, &i);
 	}
 	if (chan->_state != AST_STATE_UP) {
 		ast_answer(chan);
 	}
 
-	if (ioctl(myrpt->txchannel->fds[0], ZT_GET_PARAMS, &par) != -1) {
+	if (ioctl(myrpt->txchannel->fds[0], DAHDI_GET_PARAMS, &par) != -1) {
 		if (par.rxisoffhook) {
 			ast_indicate(chan, AST_CONTROL_RADIO_KEY);
 			myrpt->remoterx = 1;