Option—NAT - SIP Proxy Server IP AddressSpecifies the outside-facing IP address or host name of the network gateway connected to the SIP proxyserver. If using a separate IP address from Common—NAT - External IP Address, configure this setting.Value RangeBlank, 1.0.0.1–223.255.255.254Feature Guide References5.2.2.3 Simple Remote ConnectionOption—NAT - CWMP Server IP AddressSpecifies the outside-facing IP address of the PBX-side network gateway for remote connections. If using aseparate IP address from Common—NAT - External IP Address, configure this setting.Value RangeBlank, 1.0.0.1–223.255.255.254Feature Guide References5.2.2.3 Simple Remote ConnectionOption—NAT - CWMP Server IP Address for Network SurvivabilitySpecifies the outside-facing IP address of the PBX-side network gateway for remote connections. This settingspecifies the port number used for the secondary server for network survivability.Value RangeBlank, 1.0.0.1–223.255.255.254Feature Guide References5.2.2.3 Simple Remote ConnectionOption—NAT - NTP Server IP AddressSpecifies the outside-facing IP address of the network gateway connected to the NTP server. If using aseparate IP address from Common—NAT - External IP Address, configure this setting.Value RangeBlank, 1.0.0.1–223.255.255.254Feature Guide References5.2.2.3 Simple Remote ConnectionSIP ExtensionSIP Location Hold Time Max.Specifies the maximum length of time that the PBX holds information on the location of SIP Extensions.PC Programming Manual 2139.2.2 PBX Configuration—[1-1] Configuration—Slot—System Property—Site