Index: channels/chan_sip.c
===================================================================
RCS file: /usr/cvsroot/asterisk/channels/chan_sip.c,v
retrieving revision 1.872
diff -u -r1.872 chan_sip.c
--- channels/chan_sip.c	29 Sep 2005 17:41:00 -0000	1.872
+++ channels/chan_sip.c	4 Oct 2005 16:04:40 -0000
@@ -3091,12 +3091,14 @@
 			/* Found the call */
 			ast_mutex_lock(&p->lock);
 			ast_mutex_unlock(&iflock);
+			ast_log(LOG_DEBUG, "**** Found existing SIP dialog for incoming request %s\n", callid);
 			return p;
 		}
 		p = p->next;
 	}
 	ast_mutex_unlock(&iflock);
 	p = sip_alloc(callid, sin, 1, intended_method);
+	ast_log(LOG_DEBUG, "**** Creating new SIP dialog for incoming request %s\n", callid);
 	if (p)
 		ast_mutex_lock(&p->lock);
 	return p;
@@ -6177,13 +6179,14 @@
 		ast_md5_hash(resp_hash, resp);
 
 		if (wrongnonce) {
-			ast_log(LOG_NOTICE, "stale nonce received from '%s'\n", get_header(req, "To"));
 
 			snprintf(randdata, randlen, "%08x", rand());
 			if (ua_hash && !strncasecmp(ua_hash, resp_hash, strlen(resp_hash))) {
+				ast_log(LOG_NOTICE, "stale nonce received from '%s' (got %s, expected %s)\n", get_header(req, "To"), nonce, randdata);
 				/* We got working auth token, based on stale nonce . */
 				transmit_response_with_auth(p, response, req, randdata, reliable, respheader, 1);
 			} else {
+				ast_log(LOG_NOTICE, "Bad authentication from '%s' (got %s, expected %s)\n", get_header(req, "To"), nonce, randdata);
 				/* Everything was wrong, so give the device one more try */
 				transmit_response_with_auth(p, response, req, randdata, reliable, respheader, 0);
 			}