Index: channel.c
===================================================================
--- channel.c	(revision 24383)
+++ channel.c	(working copy)
@@ -2215,13 +2215,13 @@
 			"!941+1209/100,!0/100",	/* * */
 			"!941+1477/100,!0/100" };	/* # */
 		if (digit >= '0' && digit <='9')
-			ast_playtones_start(chan, 0, dtmf_tones[digit-'0'], 0);
+			ast_playtones_start(chan, 0, dtmf_tones[digit-'0'], 1);
 		else if (digit >= 'A' && digit <= 'D')
-			ast_playtones_start(chan, 0, dtmf_tones[digit-'A'+10], 0);
+			ast_playtones_start(chan, 0, dtmf_tones[digit-'A'+10], 1);
 		else if (digit == '*')
-			ast_playtones_start(chan, 0, dtmf_tones[14], 0);
+			ast_playtones_start(chan, 0, dtmf_tones[14], 1);
 		else if (digit == '#')
-			ast_playtones_start(chan, 0, dtmf_tones[15], 0);
+			ast_playtones_start(chan, 0, dtmf_tones[15], 1);
 		else {
 			/* not handled */
 			ast_log(LOG_DEBUG, "Unable to generate DTMF tone '%c' for '%s'\n", digit, chan->name);