--- channels/chan_sip.c.orig    2009-08-10 15:30:55.000000000 -0400
+++ channels/chan_sip.c 2009-09-14 19:21:55.000000000 -0400
@@ -3849,7 +3849,10 @@
                sysname = NULL;
        else if (sip_cfg.rtsave_sysname)
                syslabel = "regserver";
-
+       /* IMPORTANT: Anytime you add a new parameter to be updated, you
+          must also add it to contrib/scripts/asterisk.ldap-schema
+          and to configs/res_ldap.conf.sample as described in
+          bugs 15156 and 15895 */
        if (fc) {
                ast_update_realtime(tablename, "name", peername, "ipaddr", ipaddr,
                        "port", port, "regseconds", regseconds,