Setting parameters assigned to Remote SIP-MLT—NAT - SIP Register ExpireTime (s)Specifies the length of time that will elapse before the current registration expires.NoteThis setting is available only when NAT - Keep Alive Packet Type is set to "Register".Value Range10–3600 sMaintenance Console Location9.2.2 PBX Configuration—[1-1] Configuration—Slot—System Property—SiteFeature Guide References5.2.2.3 Simple Remote ConnectionSetting parameters for Networking Survivability, assigned to RemoteSIP-MLT—NAT - CWMP Server IP AddressSpecifies the outside-facing IP address or host name of the PBX-side network gateway for remote connectionsthat is used when the gateway specified in Setting parameters assigned to Remote SIP-MLT is not available.Value Range1.0.0.0–223.255.255.255 (IP address), Max. 100 characters (host name)Maintenance Console Location9.2.2 PBX Configuration—[1-1] Configuration—Slot—System Property—SiteFeature Guide References5.2.2.3 Simple Remote ConnectionSetting parameters for Networking Survivability, assigned to RemoteSIP-MLT—NAT - CWMP Server (HTTP) Port No.Specifies the outside-facing HTTP port of the PBX-side network gateway for remote connections that is usedwhen the gateway specified in Setting parameters assigned to Remote SIP-MLT is not available.Value Range1–65535Maintenance Console Location9.2.2 PBX Configuration—[1-1] Configuration—Slot—System Property—SiteFeature Guide References5.2.2.3 Simple Remote ConnectionPC Programming Manual 2139.2.2 PBX Configuration—[1-1] Configuration—Slot—System Property—Site