diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index adc6a3bc88..73a1dedc43 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -4550,8 +4550,8 @@ static void realtime_update_peer(const char *peername, struct ast_sockaddr *addr
 
 	snprintf(str_lastms, sizeof(str_lastms), "%d", lastms);
 	snprintf(regseconds, sizeof(regseconds), "%d", (int)nowtime);	/* Expiration time */
-	ast_copy_string(ipaddr, ast_sockaddr_stringify_addr(addr), sizeof(ipaddr));
-	ast_copy_string(port, ast_sockaddr_stringify_port(addr), sizeof(port));
+	ast_copy_string(ipaddr, ast_sockaddr_isnull(addr) ? "" : ast_sockaddr_stringify_addr(addr), sizeof(ipaddr));
+	ast_copy_string(port, ast_sockaddr_port(addr) ? ast_sockaddr_stringify_port(addr) : "", sizeof(port));
 
 	if (ast_strlen_zero(sysname))	/* No system name, disable this */
 		sysname = NULL;
@@ -14081,7 +14081,7 @@ static void destroy_association(struct sip_peer *peer)
 
 	if (!sip_cfg.ignore_regexpire) {
 		if (peer->rt_fromcontact && sip_cfg.peer_rtupdate) {
-			ast_update_realtime(tablename, "name", peer->name, "fullcontact", "", "ipaddr", "", "port", "", "regseconds", "0", "regserver", "", "useragent", "", "lastms", "", SENTINEL);
+			ast_update_realtime(tablename, "name", peer->name, "fullcontact", "", "ipaddr", "", "port", "", "regseconds", "0", "regserver", "", "useragent", "", "lastms", "0", SENTINEL);
 		} else {
 			ast_db_del("SIP/Registry", peer->name);
 			ast_db_del("SIP/PeerMethods", peer->name);
diff --git a/contrib/realtime/postgresql/realtime.sql b/contrib/realtime/postgresql/realtime.sql
index fb474ebbe2..d6619061e9 100644
--- a/contrib/realtime/postgresql/realtime.sql
+++ b/contrib/realtime/postgresql/realtime.sql
@@ -64,10 +64,14 @@ username character varying(80) DEFAULT '' NOT NULL,
 allow character varying(200) DEFAULT '!all,g729,ilbc,gsm,ulaw,alaw',
 musiconhold character varying(100),
 regseconds bigint DEFAULT 0::bigint NOT NULL,
-ipaddr character varying(40) DEFAULT '' NOT NULL,
+ipaddr character varying(45) DEFAULT '' NOT NULL,
 regexten character varying(80) DEFAULT '' NOT NULL,
 cancallforward character varying(3) DEFAULT 'yes',
-lastms integer DEFAULT -1 NOT NULL
+lastms integer DEFAULT 0 NOT NULL,
+defaultuser character varying(80),
+fullcontact character varying(80),
+regserver character varying(30),
+useragent character varying(40)
 );
 
 drop table voicemail_users;