(issue #10599)

Reported by: dimas
Handle the -1 control subclass during feature dialing (it indicates to stop sounds).


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@81369 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_features.c

@@ -1230,6 +1230,13 @@ static struct ast_channel *ast_feature_request_and_dial(struct ast_channel *call
 							f = NULL;
 							ready=1;
 							break;
+						} else if (f->subclass == -1) {
+							if (option_verbose > 2)
+								ast_verbose( VERBOSE_PREFIX_3 "%s stopped sounds\n", chan->name);
+							ast_indicate(caller, -1);
+							ast_frfree(f);
+							f = NULL;
+							break;
 						} else {
 							ast_log(LOG_NOTICE, "Don't know what to do about control frame: %d\n", f->subclass);
 						}