Index: channels/chan_iax2.c
===================================================================
--- channels/chan_iax2.c	(revision 37660)
+++ channels/chan_iax2.c	(working copy)
@@ -2591,6 +2591,7 @@
 
 static void destroy_user(struct iax2_user *user);
 static int expire_registry(void *data);
+static void realtime_update_peer(const char *peername, struct sockaddr_in *sin);
 
 static struct iax2_peer *realtime_peer(const char *peername, struct sockaddr_in *sin)
 {
@@ -2676,6 +2677,7 @@
 		time(&nowtime);
 		if ((nowtime - regseconds) > IAX_DEFAULT_REG_EXPIRE) {
 			memset(&peer->addr, 0, sizeof(peer->addr));
+			realtime_update_peer(peer->name, &peer->addr);
 			if (option_debug)
 				ast_log(LOG_DEBUG, "realtime_peer: Bah, '%s' is expired (%d/%d/%d)!\n",
 						peername, (int)(nowtime - regseconds), (int)regseconds, (int)nowtime);