aboutsummaryrefslogtreecommitdiffstats
path: root/apps/app_dial.c
blob: 0d16d0483d4996fff4e695457fac07d6aa7c4045 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
/*
 * Asterisk -- A telephony toolkit for Linux.
 *
 * Trivial application to dial a channel and send an URL on answer
 * 
 * Copyright (C) 1999-2004, Digium, Inc.
 *
 * Mark Spencer <markster@digium.com>
 *
 * This program is free software, distributed under the terms of
 * the GNU General Public License
 */

#include <asterisk/lock.h>
#include <asterisk/file.h>
#include <asterisk/logger.h>
#include <asterisk/channel.h>
#include <asterisk/pbx.h>
#include <asterisk/options.h>
#include <asterisk/module.h>
#include <asterisk/translate.h>
#include <asterisk/say.h>
#include <asterisk/config.h>
#include <asterisk/features.h>
#include <asterisk/musiconhold.h>
#include <asterisk/callerid.h>
#include <asterisk/utils.h>
#include <asterisk/app.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/time.h>
#include <sys/signal.h>
#include <netinet/in.h>

static char *tdesc = "Dialing Application";

static char *app = "Dial";

static char *synopsis = "Place a call and connect to the current channel";

static char *descrip =
"  Dial(Technology/resource[&Technology2/resource2...][|timeout][|options][|URL]):\n"
"Requests one or more channels and places specified outgoing calls on them.\n"
"As soon as a channel answers, the Dial app will answer the originating\n"
"channel (if it needs to be answered) and will bridge a call with the channel\n"
"which first answered. All other calls placed by the Dial app will be hung up\n"
"If a timeout is not specified, the Dial application will wait indefinitely\n"
"until either one of the called channels answers, the user hangs up, or all\n"
"channels return busy or error. In general, the dialer will return 0 if it\n"
"was unable to place the call, or the timeout expired. However, if all\n"
"channels were busy, and there exists an extension with priority n+101 (where\n"
"n is the priority of the dialer instance), then it will be the next\n"
"executed extension (this allows you to setup different behavior on busy from\n"
"no-answer).\n"
"  This application returns -1 if the originating channel hangs up, or if the\n"
"call is bridged and either of the parties in the bridge terminate the call.\n"
"The option string may contain zero or more of the following characters:\n"
"      't' -- allow the called user transfer the calling user by hitting #.\n"
"      'T' -- allow the calling user to transfer the call by hitting #.\n"
"      'f' -- Forces callerid to be set as the extension of the line \n"
"             making/redirecting the outgoing call. For example, some PSTNs\n"
"             don't allow callerids from other extensions then the ones\n"
"             that are assigned to you.\n"
"      'r' -- indicate ringing to the calling party, pass no audio until answered.\n"
"      'm' -- provide hold music to the calling party until answered.\n"
"      'M(x) -- Executes the macro (x) upon connect of the call\n"
"      'h' -- allow callee to hang up by hitting *.\n"
"      'H' -- allow caller to hang up by hitting *.\n"
"      'C' -- reset call detail record for this call.\n"
"      'P[(x)]' -- privacy mode, using 'x' as database if provided.\n"
"      'g' -- goes on in context if the destination channel hangs up\n"
"      'A(x)' -- play an announcement to the called party, using x as file\n"
"      'S(x)' -- hangup the call after x seconds AFTER called party picked up\n"  	
"      'D([digits])'  -- Send DTMF digit string *after* called party has answered\n"
"             but before the bridge. (w=500ms sec pause)\n"
"      'L(x[:y][:z])' -- Limit the call to 'x' ms warning when 'y' ms are left\n"
"             repeated every 'z' ms) Only 'x' is required, 'y' and 'z' are optional.\n"
"             The following special variables are optional:\n"
"             * LIMIT_PLAYAUDIO_CALLER    yes|no (default yes)\n"
"                                         Play sounds to the caller.\n"
"             * LIMIT_PLAYAUDIO_CALLEE    yes|no\n"
"                                         Play sounds to the callee.\n"
"             * LIMIT_TIMEOUT_FILE        File to play when time is up.\n"
"             * LIMIT_CONNECT_FILE        File to play when call begins.\n"
"             * LIMIT_WARNING_FILE        File to play as warning if 'y' is defined.\n"
"                        'timeleft' is a special sound macro to auto-say the time \n"
"                        left and is the default.\n\n"
"  In addition to transferring the call, a call may be parked and then picked\n"
"up by another user.\n"
"  The optional URL will be sent to the called party if the channel supports it.\n"
"  This application sets the following channel variables upon completion:\n"
"      DIALEDTIME    Time from dial to answer\n" 
"      ANSWEREDTIME  Time for actual call\n"
"      DIALSTATUS    The status of the call as a text string, one of\n"
"             CHANUNAVAIL | CONGESTION | NOANSWER | BUSY | ANSWER | CANCEL\n"
"";

/* We define a customer "local user" structure because we
   use it not only for keeping track of what is in use but
   also for keeping track of who we're dialing. */

struct localuser {
	struct ast_channel *chan;
	int stillgoing;
	int allowredirect_in;
	int allowredirect_out;
	int ringbackonly;
	int musiconhold;
	int allowdisconnect_in;
	int allowdisconnect_out;
	int forcecallerid;
	int noforwardhtml;
	struct localuser *next;
};

LOCAL_USER_DECL;

static void hanguptree(struct localuser *outgoing, struct ast_channel *exception)
{
	/* Hang up a tree of stuff */
	struct localuser *oo;
	while(outgoing) {
		/* Hangup any existing lines we have open */
		if (outgoing->chan && (outgoing->chan != exception))
			ast_hangup(outgoing->chan);
		oo = outgoing;
		outgoing=outgoing->next;
		free(oo);
	}
}

#define AST_MAX_WATCHERS 256

static struct ast_channel *wait_for_answer(struct ast_channel *in, struct localuser *outgoing, int *to, int *allowredir_in, int *allowredir_out, int *allowdisconnect_in, int *allowdisconnect_out, int *noforwardhtml, int *sentringing, char *status, size_t statussize)
{
	struct localuser *o;
	int found;
	int numlines;
	int numbusy = 0;
	int numcongestion = 0;
	int numnochan = 0;
	int orig = *to;
	struct ast_frame *f;
	struct ast_channel *peer = NULL;
	struct ast_channel *watchers[AST_MAX_WATCHERS];
	int pos;
	int single;
	struct ast_channel *winner;
	
	single = (outgoing && !outgoing->next && !outgoing->musiconhold && !outgoing->ringbackonly);
	
	if (single) {
		/* Turn off hold music, etc */
		ast_deactivate_generator(in);
		/* If we are calling a single channel, make them compatible for in-band tone purpose */
		ast_channel_make_compatible(outgoing->chan, in);
	}
	
	
	while(*to && !peer) {
		o = outgoing;
		found = -1;
		pos = 1;
		numlines = 0;
		watchers[0] = in;
		while(o) {
			/* Keep track of important channels */
			if (o->stillgoing && o->chan) {
				watchers[pos++] = o->chan;
				found = 1;
			}
			o = o->next;
			numlines++;
		}
		if (found < 0) {
			if (numlines == (numbusy + numcongestion + numnochan)) {
				if (option_verbose > 2)
					ast_verbose( VERBOSE_PREFIX_2 "Everyone is busy/congested at this time\n");
				if (numbusy)
					strncpy(status, "BUSY", statussize - 1);
				else if (numcongestion)
					strncpy(status, "CONGESTION", statussize - 1);
				else if (numnochan)
					strncpy(status, "CHANUNAVAIL", statussize - 1);
				/* See if there is a special busy message */
				if (ast_exists_extension(in, in->context, in->exten, in->priority + 101, in->callerid)) 
					in->priority+=100;
			} else {
				if (option_verbose > 2)
					ast_verbose( VERBOSE_PREFIX_2 "No one is available to answer at this time\n");
			}
			*to = 0;
			return NULL;
		}
		winner = ast_waitfor_n(watchers, pos, to);
		o = outgoing;
		while(o) {
			if (o->stillgoing && o->chan && (o->chan->_state == AST_STATE_UP)) {
				if (!peer) {
					if (option_verbose > 2)
						ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", o->chan->name, in->name);
					peer = o->chan;
					*allowredir_in = o->allowredirect_in;
					*allowredir_out = o->allowredirect_out;
					*allowdisconnect_in = o->allowdisconnect_in;
					*allowdisconnect_out = o->allowdisconnect_out;
					*noforwardhtml = o->noforwardhtml;
				}
			} else if (o->chan && (o->chan == winner)) {
				if (!ast_strlen_zero(o->chan->call_forward)) {
					char tmpchan[256]="";
					char *stuff;
					char *tech;
					strncpy(tmpchan, o->chan->call_forward, sizeof(tmpchan) - 1);
					if ((stuff = strchr(tmpchan, '/'))) {
						*stuff = '\0';
						stuff++;
						tech = tmpchan;
					} else {
						snprintf(tmpchan, sizeof(tmpchan), "%s@%s", o->chan->call_forward, o->chan->context);
						stuff = tmpchan;
						tech = "Local";
					}
					/* Before processing channel, go ahead and check for forwarding */
					if (option_verbose > 2)
						ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", in->name, tech, stuff, o->chan->name);
					/* Setup parameters */
					o->chan = ast_request(tech, in->nativeformats, stuff);
					if (!o->chan) {
						ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s'\n", tech, stuff);
						o->stillgoing = 0;
						numnochan++;
					} else {
						if (o->chan->callerid)
							free(o->chan->callerid);

						o->chan->callerid = NULL;

						if (o->forcecallerid) {
							char *newcid = NULL;

							if (strlen(in->macroexten))
								newcid = in->macroexten;
							else
								newcid = in->exten;
							o->chan->callerid = strdup(newcid);
							strncpy(o->chan->accountcode, winner->accountcode, sizeof(o->chan->accountcode) - 1);
							o->chan->cdrflags = winner->cdrflags;
							if (!o->chan->callerid)
								ast_log(LOG_WARNING, "Out of memory\n");
						} else {
							if (in->callerid) {
								o->chan->callerid = strdup(in->callerid);
								if (!o->chan->callerid)
									ast_log(LOG_WARNING, "Out of memory\n");	
							}
							strncpy(o->chan->accountcode, in->accountcode, sizeof(o->chan->accountcode) - 1);
							o->chan->cdrflags = in->cdrflags;
						}

						if (in->ani) {
							if (o->chan->ani)
								free(o->chan->ani);
							o->chan->ani = malloc(strlen(in->ani) + 1);
							if (o->chan->ani)
								strncpy(o->chan->ani, in->ani, strlen(in->ani));
							else
								ast_log(LOG_WARNING, "Out of memory\n");
						}
						if (o->chan->rdnis) 
							free(o->chan->rdnis);
						if (!ast_strlen_zero(in->macroexten))
							o->chan->rdnis = strdup(in->macroexten);
						else
							o->chan->rdnis = strdup(in->exten);
						if (ast_call(o->chan, tmpchan, 0)) {
							ast_log(LOG_NOTICE, "Failed to dial on local channel for call forward to '%s'\n", tmpchan);
							o->stillgoing = 0;
							ast_hangup(o->chan);
							o->chan = NULL;
							numnochan++;
						}
					}
					/* Hangup the original channel now, in case we needed it */
					ast_hangup(winner);
					continue;
				}
				f = ast_read(winner);
				if (f) {
					if (f->frametype == AST_FRAME_CONTROL) {
						switch(f->subclass) {
					    case AST_CONTROL_ANSWER:
							/* This is our guy if someone answered. */
							if (!peer) {
								if (option_verbose > 2)
									ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", o->chan->name, in->name);
								peer = o->chan;
								*allowredir_in = o->allowredirect_in;
								*allowredir_out = o->allowredirect_out;
								*allowdisconnect_in = o->allowdisconnect_in;
								*allowdisconnect_out = o->allowdisconnect_out;
								*noforwardhtml = o->noforwardhtml;
							}
							break;
						case AST_CONTROL_BUSY:
							if (option_verbose > 2)
								ast_verbose( VERBOSE_PREFIX_3 "%s is busy\n", o->chan->name);
							in->hangupcause = o->chan->hangupcause;
							ast_hangup(o->chan);
							o->chan = NULL;
							o->stillgoing = 0;
							if (in->cdr)
								ast_cdr_busy(in->cdr);
							numbusy++;
							break;
						case AST_CONTROL_CONGESTION:
							if (option_verbose > 2)
								ast_verbose( VERBOSE_PREFIX_3 "%s is circuit-busy\n", o->chan->name);
							in->hangupcause = o->chan->hangupcause;
							ast_hangup(o->chan);
							o->chan = NULL;
							o->stillgoing = 0;
							if (in->cdr)
								ast_cdr_busy(in->cdr);
							numcongestion++;
							break;
						case AST_CONTROL_RINGING:
							if (option_verbose > 2)
								ast_verbose( VERBOSE_PREFIX_3 "%s is ringing\n", o->chan->name);
							if (!(*sentringing) && !outgoing->musiconhold) {
								ast_indicate(in, AST_CONTROL_RINGING);
								(*sentringing)++;
							}
							break;
						case AST_CONTROL_PROGRESS:
							if (option_verbose > 2)
								ast_verbose ( VERBOSE_PREFIX_3 "%s is making progress passing it to %s\n", o->chan->name,in->name);
							if (!outgoing->ringbackonly)
								ast_indicate(in, AST_CONTROL_PROGRESS);
							break;
						case AST_CONTROL_OFFHOOK:
							/* Ignore going off hook */
							break;
						case -1:
							if (!outgoing->ringbackonly || !outgoing->musiconhold) {
								if (option_verbose > 2)
									ast_verbose( VERBOSE_PREFIX_3 "%s stopped sounds\n", o->chan->name);
								ast_indicate(in, -1);
								(*sentringing) = 0;
							}
							break;
						default:
							ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
						}
					} else if (single && (f->frametype == AST_FRAME_VOICE) && 
								!(outgoing->ringbackonly || outgoing->musiconhold)) {
						if (ast_write(in, f)) 
							ast_log(LOG_WARNING, "Unable to forward frame\n");
					} else if (single && (f->frametype == AST_FRAME_IMAGE) && 
								!(outgoing->ringbackonly || outgoing->musiconhold)) {
						if (ast_write(in, f))
							ast_log(LOG_WARNING, "Unable to forward image\n");
					} else if (single && (f->frametype == AST_FRAME_TEXT) && 
								!(outgoing->ringbackonly || outgoing->musiconhold)) {
						if (ast_write(in, f))
							ast_log(LOG_WARNING, "Unable to text\n");
					} else if (single && (f->frametype == AST_FRAME_HTML) && !outgoing->noforwardhtml) {
						ast_channel_sendhtml(in, f->subclass, f->data, f->datalen);
					}
						
					ast_frfree(f);
				} else {
					in->hangupcause = o->chan->hangupcause;
					ast_hangup(o->chan);
					o->chan = NULL;
					o->stillgoing = 0;
				}
			}
			o = o->next;
		}
		if (winner == in) {
			f = ast_read(in);
#if 0
			if (f && (f->frametype != AST_FRAME_VOICE))
					printf("Frame type: %d, %d\n", f->frametype, f->subclass);
			else if (!f || (f->frametype != AST_FRAME_VOICE))
				printf("Hangup received on %s\n", in->name);
#endif
			if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
				/* Got hung up */
				*to=-1;
				strncpy(status, "CANCEL", statussize - 1);
				if (f)
					ast_frfree(f);
				return NULL;
			}
			if (f && (f->frametype == AST_FRAME_DTMF) && *allowdisconnect_out &&
				(f->subclass == '*')) {
			    if (option_verbose > 3)
				ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
				*to=0;
				strcpy(status, "CANCEL");
				ast_frfree(f);
				return NULL;
			}

			if (single && f && (f->frametype == AST_FRAME_HTML) && !outgoing->noforwardhtml)
				ast_channel_sendhtml(outgoing->chan, f->subclass, f->data, f->datalen);

			if (single && ((f->frametype == AST_FRAME_VOICE) || (f->frametype == AST_FRAME_DTMF)))  {
				if (ast_write(outgoing->chan, f))
					ast_log(LOG_WARNING, "Unable to forward voice\n");
				ast_frfree(f);
			}
		}
		if (!*to && (option_verbose > 2))
			ast_verbose( VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
	}

	return peer;
	
}

static int dial_exec(struct ast_channel *chan, void *data)
{
	int res=-1;
	struct localuser *u;
	char *info, *peers, *timeout, *tech, *number, *rest, *cur;
	char  privdb[256] = "", *s;
	char  announcemsg[256] = "", *ann;
	struct localuser *outgoing=NULL, *tmp;
	struct ast_channel *peer;
	int to;
	int allowredir_in=0;
	int allowredir_out=0;
	int allowdisconnect_in=0;
	int allowdisconnect_out=0;
	int noforwardhtml=0;
	int hasmacro = 0;
	int privacy=0;
	int announce=0;
	int resetcdr=0;
	char numsubst[AST_MAX_EXTENSION];
	char restofit[AST_MAX_EXTENSION];
	char *transfer = NULL;
	char *newnum;
	char callerid[256] = "", *l, *n;
	char *url=NULL; /* JDG */
	struct ast_var_t *current;
	struct varshead *headp, *newheadp;
	struct ast_var_t *newvar;
	int go_on=0;
	unsigned int calldurationlimit=0;
	char *cdl;
	time_t now;
	struct ast_bridge_config config;
	long timelimit = 0;
	long play_warning = 0;
	long warning_freq=0;
	char *warning_sound=NULL;
	char *end_sound=NULL;
	char *start_sound=NULL;
	char *limitptr;
	char limitdata[256];
	char *sdtmfptr;
	char sdtmfdata[256] = "";
	char *stack,*var;
	char *mac = NULL, macroname[256] = "";
	char status[256]="";
	char toast[80];
	int play_to_caller=0,play_to_callee=0;
	int playargs=0, sentringing=0, moh=0;
	int digit = 0;
	time_t start_time, answer_time, end_time;

	if (!data) {
		ast_log(LOG_WARNING, "Dial requires an argument (technology1/number1&technology2/number2...|optional timeout|options)\n");
		return -1;
	}

	if (!(info = ast_strdupa(data))) {
		ast_log(LOG_WARNING, "Unable to dupe data :(\n");
		return -1;
	}
	LOCAL_USER_ADD(u);
	
	peers = info;
	if (peers) {
		
		timeout = strchr(info, '|');
		if (timeout) {
			*timeout = '\0';
			timeout++;
			transfer = strchr(timeout, '|');
			if (transfer) {
				*transfer = '\0';
				transfer++;
				/* JDG */
				url = strchr(transfer, '|');
				if (url) {
					*url = '\0';
					url++;
					ast_log(LOG_DEBUG, "DIAL WITH URL=%s_\n", url);
				} else 
					ast_log(LOG_DEBUG, "SIMPLE DIAL (NO URL)\n");
				/* /JDG */
			}
		}
	} else
		timeout = NULL;
	if (!peers || ast_strlen_zero(peers)) {
		ast_log(LOG_WARNING, "Dial argument takes format (technology1/number1&technology2/number2...|optional timeout)\n");
		goto out;
	}
	

	if (transfer) {

		/* Extract call duration limit */
		if ((cdl = strstr(transfer, "S("))) {
			calldurationlimit=atoi(cdl+2);
			if (option_verbose > 2)
				ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %i seconds.\n",calldurationlimit);			
		} 

		/* DTMF SCRIPT*/
		if ((sdtmfptr = strstr(transfer, "D("))) {
			strncpy(sdtmfdata, sdtmfptr + 2, sizeof(sdtmfdata) - 1);
			/* Overwrite with X's what was the sdtmf info */
			while (*sdtmfptr && (*sdtmfptr != ')')) 
				*(sdtmfptr++) = 'X';
			if (*sdtmfptr)
				*sdtmfptr = 'X';
			/* Now find the end  */
			sdtmfptr = strchr(sdtmfdata, ')');
			if (sdtmfptr)
				*sdtmfptr = '\0';
			else 
				ast_log(LOG_WARNING, "D( Data lacking trailing ')'\n");
		}
		
		/* XXX LIMIT SUPPORT */
		if ((limitptr = strstr(transfer, "L("))) {
			strncpy(limitdata, limitptr + 2, sizeof(limitdata) - 1);
			/* Overwrite with X's what was the limit info */
			while(*limitptr && (*limitptr != ')')) 
				*(limitptr++) = 'X';
			if (*limitptr)
				*limitptr = 'X';
			/* Now find the end */
			limitptr = strchr(limitdata, ')');
			if (limitptr)
				*limitptr = '\0';
			else
				ast_log(LOG_WARNING, "Limit Data lacking trailing ')'\n");

			var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLER");
			play_to_caller = var ? ast_true(var) : 1;
		  
			var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLEE");
			play_to_callee = var ? ast_true(var) : 0;
		  
			if (!play_to_caller && !play_to_callee)
				play_to_caller=1;
		  
			var = pbx_builtin_getvar_helper(chan,"LIMIT_WARNING_FILE");
			warning_sound = var ? var : "timeleft";

			var = pbx_builtin_getvar_helper(chan,"LIMIT_TIMEOUT_FILE");
			end_sound = var ? var : NULL;

			var = pbx_builtin_getvar_helper(chan,"LIMIT_CONNECT_FILE");
			start_sound = var ? var : NULL;

			var=stack=limitdata;

			var = strsep(&stack, ":");
			if (var) {
				timelimit = atol(var);
				playargs++;
				var = strsep(&stack, ":");
				if (var) {
					play_warning = atol(var);
					playargs++;
					var = strsep(&stack, ":");
					if(var) {
						warning_freq = atol(var);
						playargs++;
					}
				}
			}
		  
			if (!timelimit) {
				timelimit=play_to_caller=play_to_callee=play_warning=warning_freq=0;
				warning_sound=NULL;
			}
			/* undo effect of S(x) in case they are both used */
			calldurationlimit=0; 
			/* more efficient do it like S(x) does since no advanced opts*/
			if (!play_warning && !start_sound && !end_sound && timelimit) { 
				calldurationlimit=timelimit/1000;
				timelimit=play_to_caller=play_to_callee=play_warning=warning_freq=0;
			} else if (option_verbose > 2) {
				ast_verbose(VERBOSE_PREFIX_3"Limit Data:\n");
				ast_verbose(VERBOSE_PREFIX_3"timelimit=%ld\n",timelimit);
				ast_verbose(VERBOSE_PREFIX_3"play_warning=%ld\n",play_warning);
				ast_verbose(VERBOSE_PREFIX_3"play_to_caller=%s\n",play_to_caller ? "yes" : "no");
				ast_verbose(VERBOSE_PREFIX_3"play_to_callee=%s\n",play_to_callee ? "yes" : "no");
				ast_verbose(VERBOSE_PREFIX_3"warning_freq=%ld\n",warning_freq);
				ast_verbose(VERBOSE_PREFIX_3"start_sound=%s\n",start_sound ? start_sound : "UNDEF");
				ast_verbose(VERBOSE_PREFIX_3"warning_sound=%s\n",warning_sound ? warning_sound : "UNDEF");
				ast_verbose(VERBOSE_PREFIX_3"end_sound=%s\n",end_sound ? end_sound : "UNDEF");
			}
		}
		
		/* XXX ANNOUNCE SUPPORT */
		if ((ann = strstr(transfer, "A("))) {
			announce = 1;
			strncpy(announcemsg, ann + 2, sizeof(announcemsg) - 1);
			/* Overwrite with X's what was the announce info */
			while(*ann && (*ann != ')')) 
				*(ann++) = 'X';
			if (*ann)
				*ann = 'X';
			/* Now find the end of the privdb */
			ann = strchr(announcemsg, ')');
			if (ann)
				*ann = '\0';
			else {
				ast_log(LOG_WARNING, "Transfer with Announce spec lacking trailing ')'\n");
				announce = 0;
			}
		}
		
		/* Get the macroname from the dial option string */
		if ((mac = strstr(transfer, "M("))) {
			hasmacro = 1;
			strncpy(macroname, mac + 2, sizeof(macroname) - 1);
			while (*mac && (*mac != ')'))
				*(mac++) = 'X';
			if (*mac)
				*mac = 'X';
			else {
				ast_log(LOG_WARNING, "Could not find macro to which we should jump.\n");
				hasmacro = 0;
			}
			mac = strchr(macroname, ')');
			if (mac)
				*mac = '\0';
			else {
				ast_log(LOG_WARNING, "Macro flag set without trailing ')'\n");
				hasmacro = 0;
			}
		}
		/* Extract privacy info from transfer */
		if ((s = strstr(transfer, "P("))) {
			privacy = 1;
			strncpy(privdb, s + 2, sizeof(privdb) - 1);
			/* Overwrite with X's what was the privacy info */
			while(*s && (*s != ')')) 
				*(s++) = 'X';
			if (*s)
				*s = 'X';
			/* Now find the end of the privdb */
			s = strchr(privdb, ')');
			if (s)
				*s = '\0';
			else {
				ast_log(LOG_WARNING, "Transfer with privacy lacking trailing ')'\n");
				privacy = 0;
			}
		} else if (strchr(transfer, 'P')) {
			/* No specified privdb */
			privacy = 1;
		} else if (strchr(transfer, 'C')) {
			resetcdr = 1;
		}
	}
	if (resetcdr && chan->cdr)
		ast_cdr_reset(chan->cdr, 0);
	if (ast_strlen_zero(privdb) && privacy) {
		/* If privdb is not specified and we are using privacy, copy from extension */
		strncpy(privdb, chan->exten, sizeof(privdb) - 1);
	}
	if (privacy) {
		if (chan->callerid)
			strncpy(callerid, chan->callerid, sizeof(callerid) - 1);
		else
			callerid[0] = '\0';
		ast_callerid_parse(callerid, &n, &l);
		if (l) {
			ast_shrink_phone_number(l);
		} else
			l = "";
		ast_log(LOG_NOTICE, "Privacy DB is '%s', privacy is %d, clid is '%s'\n", privdb, privacy, l);
	}
	cur = peers;
	do {
		/* Remember where to start next time */
		rest = strchr(cur, '&');
		if (rest) {
			*rest = 0;
			rest++;
		}
		/* Get a technology/[device:]number pair */
		tech = cur;
		number = strchr(tech, '/');
		if (!number) {
			ast_log(LOG_WARNING, "Dial argument takes format (technology1/[device:]number1&technology2/[device:]number2...|optional timeout)\n");
			goto out;
		}
		*number = '\0';
		number++;
		tmp = malloc(sizeof(struct localuser));
		if (!tmp) {
			ast_log(LOG_WARNING, "Out of memory\n");
			goto out;
		}
		memset(tmp, 0, sizeof(struct localuser));
		if (transfer) {
			if (strchr(transfer, 't'))
				tmp->allowredirect_in = 1;
                        else    tmp->allowredirect_in = 0;
			if (strchr(transfer, 'T'))
				tmp->allowredirect_out = 1;
                        else    tmp->allowredirect_out = 0;
			if (strchr(transfer, 'r'))
				tmp->ringbackonly = 1;
                        else    tmp->ringbackonly = 0;
			if (strchr(transfer, 'm'))
				tmp->musiconhold = 1;
                        else    tmp->musiconhold = 0;
			if (strchr(transfer, 'H'))
				allowdisconnect_out = tmp->allowdisconnect_out = 1;
                        else    allowdisconnect_out = tmp->allowdisconnect_out = 0;
			if(strchr(transfer, 'h'))
				allowdisconnect_in = tmp->allowdisconnect_in = 1;
			else	allowdisconnect_in = tmp->allowdisconnect_in = 0;
			if(strchr(transfer, 'g'))
				go_on=1;
			if (strchr(transfer, 'f'))
				tmp->forcecallerid = 1;
			else	tmp->forcecallerid = 0;
			if (url)
				tmp->noforwardhtml = 1;
			else 	tmp->noforwardhtml = 0;
		}
		strncpy(numsubst, number, sizeof(numsubst)-1);
		/* If we're dialing by extension, look at the extension to know what to dial */
		if ((newnum = strstr(numsubst, "BYEXTENSION"))) {
			strncpy(restofit, newnum + strlen("BYEXTENSION"), sizeof(restofit)-1);
			snprintf(newnum, sizeof(numsubst) - (newnum - numsubst), "%s%s", chan->exten,restofit);
			if (option_debug)
				ast_log(LOG_DEBUG, "Dialing by extension %s\n", numsubst);
		}
		/* Request the peer */
		tmp->chan = ast_request(tech, chan->nativeformats, numsubst);
		if (!tmp->chan) {
			/* If we can't, just go on to the next call */
			ast_log(LOG_NOTICE, "Unable to create channel of type '%s'\n", tech);
			if (chan->cdr)
				ast_cdr_busy(chan->cdr);
			free(tmp);
			cur = rest;
			continue;
		}
		pbx_builtin_setvar_helper(tmp->chan, "DIALEDPEERNUMBER", numsubst);
		if (!ast_strlen_zero(tmp->chan->call_forward)) {
			char tmpchan[256]="";
			char *stuff;
			char *tech;
			strncpy(tmpchan, tmp->chan->call_forward, sizeof(tmpchan) - 1);
			if ((stuff = strchr(tmpchan, '/'))) {
				*stuff = '\0';
				stuff++;
				tech = tmpchan;
			} else {
				snprintf(tmpchan, sizeof(tmpchan), "%s@%s", tmp->chan->call_forward, tmp->chan->context);
				stuff = tmpchan;
				tech = "Local";
			}
			/* Before processing channel, go ahead and check for forwarding */
			if (option_verbose > 2)
				ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' (thanks to %s)\n", chan->name, tech, stuff, tmp->chan->name);
			/* Setup parameters */
			ast_hangup(tmp->chan);
			tmp->chan = ast_request(tech, chan->nativeformats, stuff);
			if (!tmp->chan) {
				ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s'\n", tech, stuff);
				free(tmp);
				cur = rest;
				continue;
			}
		}
		/* If creating a SIP channel, look for a variable called */
		/* VXML_URL in the calling channel and copy it to the    */
		/* new channel.                                          */

		/* Check for ALERT_INFO in the SetVar list.  This is for   */
		/* SIP distinctive ring as per the RFC.  For Cisco 7960s,  */
		/* SetVar(ALERT_INFO=<x>) where x is an integer value 1-5. */
		/* However, the RFC says it should be a URL.  -km-         */
		headp=&chan->varshead;
		AST_LIST_TRAVERSE(headp,current,entries) {
			if (!strcasecmp(ast_var_name(current),"VXML_URL") ||
			    !strcasecmp(ast_var_name(current), "ALERT_INFO") ||
				!strcasecmp(ast_var_name(current), "OSPTOKEN") ||
				!strcasecmp(ast_var_name(current), "OSPHANDLE"))
			{
				newvar=ast_var_assign(ast_var_name(current),ast_var_value(current));
				newheadp=&tmp->chan->varshead;
				AST_LIST_INSERT_HEAD(newheadp,newvar,entries);
			}
		}
		
		tmp->chan->appl = "AppDial";
		tmp->chan->data = "(Outgoing Line)";
		tmp->chan->whentohangup = 0;
		if (tmp->chan->callerid)
			free(tmp->chan->callerid);
		if (tmp->chan->ani)
			free(tmp->chan->ani);
		if (chan->callerid)
			tmp->chan->callerid = strdup(chan->callerid);
		else
			tmp->chan->callerid = NULL;
		/* Copy language from incoming to outgoing */
		strncpy(tmp->chan->language, chan->language, sizeof(tmp->chan->language) - 1);
		strncpy(tmp->chan->accountcode, chan->accountcode, sizeof(tmp->chan->accountcode) - 1);
		tmp->chan->cdrflags = chan->cdrflags;
		if (ast_strlen_zero(tmp->chan->musicclass))
			strncpy(tmp->chan->musicclass, chan->musicclass, sizeof(tmp->chan->musicclass) - 1);
		if (chan->ani)
			tmp->chan->ani = strdup(chan->ani);
		else
			tmp->chan->ani = NULL;
		/* Pass hidecallerid setting */
		tmp->chan->restrictcid = chan->restrictcid;
		/* Pass callingpres setting */
		tmp->chan->callingpres = chan->callingpres;
		/* Presense of ADSI CPE on outgoing channel follows ours */
		tmp->chan->adsicpe = chan->adsicpe;
		/* pass the digital flag */
		ast_dup_flag(tmp->chan, chan, AST_FLAG_DIGITAL);
		/* Place the call, but don't wait on the answer */
		res = ast_call(tmp->chan, numsubst, 0);

		/* Save the info in cdr's that we called them */
		if (chan->cdr)
			ast_cdr_setdestchan(chan->cdr, tmp->chan->name);

		/* check the results of ast_call */
		if (res) {
			/* Again, keep going even if there's an error */
			if (option_debug)
				ast_log(LOG_DEBUG, "ast call on peer returned %d\n", res);
			else if (option_verbose > 2)
				ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
			ast_hangup(tmp->chan);
			free(tmp);
			cur = rest;
			continue;
		} else
			if (option_verbose > 2)
				ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
		/* Put them in the list of outgoing thingies...  We're ready now. 
		   XXX If we're forcibly removed, these outgoing calls won't get
		   hung up XXX */
		tmp->stillgoing = -1;
		tmp->next = outgoing;
		outgoing = tmp;
		/* If this line is up, don't try anybody else */
		if (outgoing->chan->_state == AST_STATE_UP)
			break;
		cur = rest;
	} while(cur);
	
	if (timeout && !ast_strlen_zero(timeout)) {
		to = atoi(timeout);
		if (to > 0)
			to *= 1000;
		else
			ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", timeout);
	} else
		to = -1;

	if (outgoing) {
		/* Our status will at least be NOANSWER */
		strncpy(status, "NOANSWER", sizeof(status) - 1);
		if (outgoing->musiconhold) {
			moh=1;
			ast_moh_start(chan, NULL);
		} else if (outgoing->ringbackonly) {
			ast_indicate(chan, AST_CONTROL_RINGING);
			sentringing++;
		}
	} else
		strncpy(status, "CHANUNAVAIL", sizeof(status) - 1);

	time(&start_time);
	peer = wait_for_answer(chan, outgoing, &to, &allowredir_in, &allowredir_out, &allowdisconnect_in, &allowdisconnect_out, &sentringing, &noforwardhtml, status, sizeof(status));

	if (!peer) {
		if (to) 
			/* Musta gotten hung up */
			res = -1;
		 else 
		 	/* Nobody answered, next please? */
			res=0;
		
		goto out;
	}
	if (peer) {
		time(&answer_time);
#ifdef OSP_SUPPORT
		/* Once call is answered, ditch the OSP Handle */
		pbx_builtin_setvar_helper(chan, "OSPHANDLE", "");
#endif		
		strncpy(status, "ANSWER", sizeof(status) - 1);
		/* 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.  */
		hanguptree(outgoing, peer);
		outgoing = NULL;
		/* If appropriate, log that we have a destination channel */
		if (chan->cdr)
			ast_cdr_setdestchan(chan->cdr, peer->name);
		if (peer->name)
			pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);

		number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER");
		if (!number)
			number = numsubst;
		pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
 		/* JDG: sendurl */
 		if( url && !ast_strlen_zero(url) && ast_channel_supports_html(peer) ) {
 			ast_log(LOG_DEBUG, "app_dial: sendurl=%s.\n", url);
 			ast_channel_sendurl( peer, url );
 		} /* /JDG */
		if (announce && announcemsg) {
			// Start autoservice on the other chan
			res = ast_autoservice_start(chan);
			// Now Stream the File
			if (!res)
				res = ast_streamfile(peer,announcemsg,peer->language);
			if (!res) {
				digit = ast_waitstream(peer, AST_DIGIT_ANY); 
			}
			// Ok, done. stop autoservice
			res = ast_autoservice_stop(chan);
			if (digit > 0 && !res)
				res = ast_senddigit(chan, digit); 
			else
				res = digit;

		} else
			res = 0;

		if (hasmacro && macroname) {
			void *app = NULL;

			res = ast_autoservice_start(chan);
			if (res) {
				ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
				res = -1;
			}

			app = pbx_findapp("Macro");

			if (app && !res) {
				res = pbx_exec(peer, app, macroname, 1);
				ast_log(LOG_DEBUG, "Macro exited with status %d\n", res);
				res = 0;
			} else {
				ast_log(LOG_ERROR, "Could not find application Macro\n");
				res = -1;
			}

			if (ast_autoservice_stop(chan) < 0) {
				ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
				res = -1;
			}
		}

		if (!res) {
			if (calldurationlimit > 0) {
				time(&now);
				chan->whentohangup = now + calldurationlimit;
			}
			if (!ast_strlen_zero(sdtmfdata)) 
				res = ast_dtmf_stream(peer,chan,sdtmfdata,250);
		}
		
		if (!res) {
			memset(&config,0,sizeof(struct ast_bridge_config));
			config.play_to_caller=play_to_caller;
			config.play_to_callee=play_to_callee;
			config.allowredirect_in = allowredir_in;
			config.allowredirect_out = allowredir_out;
			config.allowdisconnect_in = allowdisconnect_in;
			config.allowdisconnect_out = allowdisconnect_out;
			config.timelimit = timelimit;
			config.play_warning = play_warning;
			config.warning_freq = warning_freq;
			config.warning_sound = warning_sound;
			config.end_sound = end_sound;
			config.start_sound = start_sound;
			if (moh) {
				moh = 0;
				ast_moh_stop(chan);
			} else if (sentringing) {
				sentringing = 0;
				ast_indicate(chan, -1);
			}
			/* Be sure no generators are left on it */
			ast_deactivate_generator(chan);
			/* Make sure channels are compatible */
			res = ast_channel_make_compatible(chan, peer);
			if (res < 0) {
				ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
				ast_hangup(peer);
				return -1;
			}
			res = ast_bridge_call(chan,peer,&config);
			time(&end_time);
			snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
			pbx_builtin_setvar_helper(chan, "DIALEDTIME", toast);
			snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
			pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", toast);
			
		} else 
			res = -1;
		
		if (res != AST_PBX_NO_HANGUP_PEER) {
			if (!chan->_softhangup)
				chan->hangupcause = peer->hangupcause;
			ast_hangup(peer);
		}
	}	
out:
	if (moh) {
		moh = 0;
		ast_moh_stop(chan);
	} else if (sentringing) {
		sentringing = 0;
		ast_indicate(chan, -1);
	}
	hanguptree(outgoing, NULL);
	pbx_builtin_setvar_helper(chan, "DIALSTATUS", status);
	ast_log(LOG_DEBUG, "Exiting with DIALSTATUS=%s.\n", status);
	
	LOCAL_USER_REMOVE(u);
	
	if((go_on>0) && (!chan->_softhangup) && (res != AST_PBX_KEEPALIVE))
	    res=0;
	    
	return res;
}

int unload_module(void)
{
	STANDARD_HANGUP_LOCALUSERS;
	return ast_unregister_application(app);
}

int load_module(void)
{
	int res;
	res = ast_register_application(app, dial_exec, synopsis, descrip);
	return res;
}

char *description(void)
{
	return tdesc;
}

int usecount(void)
{
	int res;
	STANDARD_USECOUNT(res);
	return res;
}

char *key()
{
	return ASTERISK_GPL_KEY;
}