Index: channels/chan_sip.c
===================================================================
RCS file: /usr/cvsroot/asterisk/channels/chan_sip.c,v
retrieving revision 1.759
diff -u -r1.759 chan_sip.c
--- channels/chan_sip.c	9 Jun 2005 22:41:18 -0000	1.759
+++ channels/chan_sip.c	11 Jun 2005 10:35:59 -0000
@@ -9520,7 +9520,7 @@
 			ast_set_flag(p, SIP_NEEDDESTROY);	
 		break;
 	default:
-		transmit_response_with_allow(p, "405 Method Not Allowed", req, 0);
+		transmit_response_with_allow(p, "501 Method Not Implemented", req, 0);
 		ast_log(LOG_NOTICE, "Unknown SIP command '%s' from '%s'\n", 
 			cmd, ast_inet_ntoa(iabuf, sizeof(iabuf), p->sa.sin_addr));
 		/* If this is some new method, and we don't have a call, destroy it now */