--- chan_sip.c.cvs	2004-05-19 17:23:27.000000000 -0300
+++ chan_sip.c	2004-05-26 16:18:25.000000000 -0300
@@ -3760,10 +3761,13 @@
 				c++;
 		}
 		snprintf(a1, sizeof(a1), "%s:%s:%s", username, "asterisk", secret);
+	ast_log(LOG_WARNING, "A1='%s'\n",a1);
 		if(strlen(resp_uri))
 			snprintf(a2, sizeof(a2), "%s:%s", method, resp_uri);
 		else
 			snprintf(a2, sizeof(a2), "%s:%s", method, uri);
+	ast_log(LOG_WARNING, "resp_uri='%s' uri='%s'\n", resp_uri, uri);
+	ast_log(LOG_WARNING, "A2='%s'\n",a2);
 		if (strlen(md5secret))
 		        snprintf(a1_hash, sizeof(a1_hash), "%s", md5secret);
 		else
@@ -3771,8 +3775,12 @@
 		md5_hash(a2_hash, a2);
 		snprintf(resp, sizeof(resp), "%s:%s:%s", a1_hash, randdata, a2_hash);
 		md5_hash(resp_hash, resp);
-
+	ast_log(LOG_WARNING, "resp='%s' resp_hash='%s'\n", resp, resp_hash);
 		/* resp_hash now has the expected response, compare the two */
+	if(response)
+	    ast_log(LOG_WARNING, "Client response='%s'\n", response);
+	else
+	    ast_log(LOG_WARNING, "Client response not found\n"); 
 
 		if (response && !strncasecmp(response, resp_hash, strlen(resp_hash))) {
 			/* Auth is OK */
@@ -3850,6 +3858,7 @@
 			} else {
 				p->nat = peer->nat;
 				transmit_response(p, "100 Trying", req);
+	    ast_log(LOG_NOTICE, "Checking Auth: randata=%s name=%s secret=%s uri=%s\n",p->randdata, peer->name, peer->secret, uri);
 				if (!(res = check_auth(p, req, p->randdata, sizeof(p->randdata), peer->name, peer->secret, peer->md5secret, "REGISTER", uri, 0, ignore))) {
 					sip_cancel_destroy(p);
 					if (parse_contact(p, peer, req)) {