Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 48226)
+++ channels/chan_sip.c	(working copy)
@@ -13361,9 +13361,10 @@
 						else
 							transmit_response_reliable(p, "488 Not acceptable here", req);
 						p->t38.state = T38_DISABLED;
-						if (option_debug > 1)
+						if (option_debug > 1){
+							ast_log(LOG_DEBUG,"The target peer is not SIP.  T38 support is limited to SIP peers only at this time.");
 							ast_log(LOG_DEBUG,"T38 state changed to %d on channel %s\n", p->t38.state, p->owner ? p->owner->name : "<none>");
-
+						}
 						if (!p->lastinvite) /* Only destroy if this is *not* a re-invite */
 							sip_scheddestroy(p, DEFAULT_TRANS_TIMEOUT);
 					}