Index: channels/chan_zap.c
===================================================================
--- channels/chan_zap.c (revision 75350)
+++ channels/chan_zap.c (working copy)
@@ -6610,7 +6610,7 @@
                                        else
                                                res = tone_zone_play_tone(i->subs[SUB_REAL].zfd, ZT_TONE_DIALTONE);
                                        if (res < 0) 
-                                               ast_log(LOG_WARNING, "Unable to play dialtone on channel %d\n", i->channel);
+                                               ast_log(LOG_WARNING, "Unable to play dialtone on channel %d, do you have defaultzone and loadzone defined\n", i->channel);
                                        if (ast_pthread_create(&threadid, &attr, ss_thread, chan)) {
                                                ast_log(LOG_WARNING, "Unable to start simple switch thread on channel %d\n", i->channel);
                                                res = tone_zone_play_tone(i->subs[SUB_REAL].zfd, ZT_TONE_CONGESTION);