report address of peer trying to subscribe to unknown hint

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@37531 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -10985,7 +10985,9 @@ static int handle_request_subscribe(struct sip_pvt *p, struct sip_request *req,
 		sip_scheddestroy(p, (p->expiry + 10) * 1000);	/* Set timer for destruction of call at expiration */
 
 		if ((firststate = ast_extension_state(NULL, p->context, p->exten)) < 0) {
-			ast_log(LOG_ERROR, "Got SUBSCRIBE for extensions without hint. Please add hint to %s in context %s\n", p->exten, p->context);
+			char iabuf[INET_ADDRSTRLEN];
+
+			ast_log(LOG_ERROR, "Got SUBSCRIBE for extension %s@%s from %s, but there is no hint for that extension\n", p->exten, p->context, ast_inet_ntoa(iabuf, sizeof(iabuf), p->sa.sin_addr));
 			transmit_response(p, "404 Not found", req);
 			ast_set_flag(p, SIP_NEEDDESTROY);	
 			return 0;