Index: asterisk-1.6.1/apps/app_dial.c
===================================================================
--- asterisk-1.6.1.orig/apps/app_dial.c	2009-05-04 01:52:58.000000000 +0200
+++ asterisk-1.6.1/apps/app_dial.c	2009-05-04 01:53:18.000000000 +0200
@@ -810,8 +810,10 @@
 					/* Setup early media if appropriate */
 					if (single && CAN_EARLY_BRIDGE(peerflags, in, c))
 						ast_channel_early_bridge(in, c);
-					if (!ast_test_flag64(outgoing, OPT_RINGBACK))
-						ast_indicate(in, AST_CONTROL_PROGRESS);
+					if (!ast_test_flag64(outgoing, OPT_RINGBACK)) {
+						if (!single || !pa->sentringing)
+							ast_indicate(in, AST_CONTROL_PROGRESS);
+					}
 					break;
 				case AST_CONTROL_VIDUPDATE:
 					ast_verb(3, "%s requested a video update, passing it to %s\n", c->name, in->name);