Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 236)
+++ channels/chan_sip.c	(revision 237)
@@ -16529,6 +16529,23 @@
 		}
 		set_outgoing_hold(p, FALSE); 
 		break;
+	default:
+		/* We should treat unrecognized 9xx as 900.  400 is actually
+		   specified as a possible response, but any 4-6xx is 
+		   theoretically possible. */
+
+		if (resp <299) { /* 1xx cases don't get here */
+			ast_log(LOG_WARNING, "SIP transfer to %s had unxpected 2xx response (%d), confusion is possible. \n", p->refer->refer_to, resp);
+		} else {
+			ast_log(LOG_WARNING, "SIP transfer to %s with response (%d). \n", p->refer->refer_to, resp);
+		}
+		p->refer->status = REFER_FAILED;
+		if (p->owner) {
+			ast_queue_control_data(p->owner, AST_CONTROL_TRANSFER, &message, sizeof(message));
+		}
+		set_outgoing_hold(p, FALSE); 
+		break;
+                
 	}
 }
 
@@ -16816,6 +16833,9 @@
 		   need to hang around for something more "definitive" */
 		if (resp != 100)
 			handle_response_peerpoke(p, resp, req);
+	} else if (sipmethod == SIP_REFER && 
+			resp >= 200) { /* Need to clean up for refer failures */
+		handle_response_refer(p, resp, rest, req, seqno);
 	} else if (ast_test_flag(&p->flags[0], SIP_OUTGOING)) {
 		switch(resp) {
 		case 100:	/* 100 Trying */
@@ -16854,18 +16874,12 @@
 				ast_set_flag(&p->flags[1], SIP_PAGE2_DIALOG_ESTABLISHED);
 			}
 			break;
-		case 202:   /* Transfer accepted */
-			if (sipmethod == SIP_REFER) 
-				handle_response_refer(p, resp, rest, req, seqno);
-			break;
 		case 401: /* Not www-authorized on SIP method */
 		case 407: /* Proxy auth required */
 			if (sipmethod == SIP_INVITE)
 				handle_response_invite(p, resp, rest, req, seqno);
 			else if (sipmethod == SIP_NOTIFY)
 				handle_response_notify(p, resp, rest, req, seqno);
-			else if (sipmethod == SIP_REFER)
-				handle_response_refer(p, resp, rest, req, seqno);
 			else if (p->registry && sipmethod == SIP_REGISTER)
 				res = handle_response_register(p, resp, rest, req, seqno);
 			else if (sipmethod == SIP_BYE) {
@@ -16930,8 +16944,6 @@
 		case 481: /* Call leg does not exist */
 			if (sipmethod == SIP_INVITE) {
 				handle_response_invite(p, resp, rest, req, seqno);
-			} else if (sipmethod == SIP_REFER) {
-				handle_response_refer(p, resp, rest, req, seqno);
 			} else if (sipmethod == SIP_BYE) {
 				/* The other side has no transaction to bye,
 				just assume it's all right then */
@@ -16964,17 +16976,9 @@
 		case 501: /* Not Implemented */
 			if (sipmethod == SIP_INVITE)
 				handle_response_invite(p, resp, rest, req, seqno);
-			else if (sipmethod == SIP_REFER)
-				handle_response_refer(p, resp, rest, req, seqno);
 			else
 				ast_log(LOG_WARNING, "Host '%s' does not implement '%s'\n", ast_inet_ntoa(p->sa.sin_addr), msg);
 			break;
-		case 603:	/* Declined transfer */
-			if (sipmethod == SIP_REFER) {
-				handle_response_refer(p, resp, rest, req, seqno);
-				break;
-			}
-			/* Fallthrough */
 		default:
 			if ((resp >= 300) && (resp < 700)) {
 				/* Fatal response */
@@ -17013,11 +17017,6 @@
 				case 410: /* Gone */
 				case 400: /* Bad Request */
 				case 500: /* Server error */
-					if (sipmethod == SIP_REFER) {
-						handle_response_refer(p, resp, rest, req, seqno);
-						break;
-					}
-					/* Fall through */
 				case 502: /* Bad gateway */
 				case 503: /* Service Unavailable */
 				case 504: /* Server Timeout */
@@ -17101,15 +17100,9 @@
 				/* Ok, we're ready to go */
 				p->needdestroy = 1;
 			break;
-		case 202:   /* Transfer accepted */
-			if (sipmethod == SIP_REFER) 
-				handle_response_refer(p, resp, rest, req, seqno);
-			break;
 		case 401:	/* www-auth */
 		case 407:
-			if (sipmethod == SIP_REFER)
-				handle_response_refer(p, resp, rest, req, seqno);
-			else if (sipmethod == SIP_INVITE) 
+			if (sipmethod == SIP_INVITE) 
 				handle_response_invite(p, resp, rest, req, seqno);
 			else if (sipmethod == SIP_BYE) {
 				if (p->authtries == MAX_AUTHTRIES || do_proxy_auth(p, req, resp, sipmethod, 0)) {
@@ -17131,15 +17124,7 @@
 		case 501: /* Not Implemented */
 			if (sipmethod == SIP_INVITE) 
 				handle_response_invite(p, resp, rest, req, seqno);
-			else if (sipmethod == SIP_REFER) 
-				handle_response_refer(p, resp, rest, req, seqno);
 			break;
-		case 603:	/* Declined transfer */
-			if (sipmethod == SIP_REFER) {
-				handle_response_refer(p, resp, rest, req, seqno);
-				break;
-			}
-			/* Fallthrough */
 		default:	/* Errors without handlers */
 			if ((resp >= 100) && (resp < 200)) {
 				if (sipmethod == SIP_INVITE) { 	/* re-invite */