Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 214356)
+++ channels/chan_sip.c	(working copy)
@@ -17957,6 +17957,9 @@
 		global_allowsubscribe = TRUE;	/* No global ban any more */
 	if (!found && ast_test_flag(&peer->flags[1], SIP_PAGE2_DYNAMIC) && !ast_test_flag(&peer->flags[0], SIP_REALTIME))
 		reg_source_db(peer);
+	else if (!found && ast_test_flag(&peer->flags[1], SIP_PAGE2_DYNAMIC) && ast_test_flag(&peer->flags[0], SIP_REALTIME)) {
+		register_peer_exten(peer, TRUE);
+	}
 	ASTOBJ_UNMARK(peer);
 	ast_free_ha(oldha);
 	return peer;