Implicitly sending a progress signal breaks some applications.

Call Progress() in your dialplan if you explicitly want progress to be sent.
(Reverts change 216430, closes issue #15957)
Reported by: Pavel Troller on the Asterisk-Dev mailing list
http://lists.digium.com/pipermail/asterisk-dev/2009-September/039897.html


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@220288 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_disa.c

@@ -176,12 +176,7 @@ static int disa_exec(struct ast_channel *chan, void *data)
 			/* answer */
 			ast_answer(chan);
 		}
-	} else {
-		special_noanswer = 1;
-		if (chan->_state != AST_STATE_UP) {
-			ast_indicate(chan, AST_CONTROL_PROGRESS);
-		}
-	}
+	} else special_noanswer = 1;
 	i = k = x = 0; /* k is 0 for pswd entry, 1 for ext entry */
 	did_ignore = 0;
 	exten[0] = 0;

apps/app_playback.c

@@ -421,10 +421,7 @@ static int playback_exec(struct ast_channel *chan, void *data)
 		} else if (!option_noanswer) {
 			/* Otherwise answer unless we're supposed to send this while on-hook */
 			res = ast_answer(chan);
-		} else {
-			ast_indicate(chan, AST_CONTROL_PROGRESS);
 		}
-
 	}
 	if (!res) {
 		char *back = args.filenames;

main/pbx.c

@@ -5710,8 +5710,6 @@ static int pbx_builtin_background(struct ast_channel *chan, void *data)
 		} else if (!ast_test_flag(&flags, BACKGROUND_NOANSWER)) {
 			res = ast_answer(chan);
 		}
-		/* Send progress control frame to start early media */
-		ast_indicate(chan, AST_CONTROL_PROGRESS);
 	}
 
 	if (!res) {