Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 154262)
+++ channels/chan_sip.c	(working copy)
@@ -12685,7 +12685,7 @@
 		break;
 	case 200:	/* 200 OK */
 		if (!r) {
-			ast_log(LOG_WARNING, "Got 200 OK on REGISTER that isn't a register\n");
+			ast_log(LOG_WARNING, "Got 200 OK on REGISTER, but there isn't a registry entry for '%s' (we probably already got the OK)\n", S_OR(p->peername, p->username));
 			ast_set_flag(&p->flags[0], SIP_NEEDDESTROY);	
 			return 0;
 		}