5. Program the WAN side information in Media Relay tab.a. Program the following common settings in Common.WAN Side IP information of the router atthe main site Web Maintenance Console ParameterIP Address NAT - External IP Address*1*1 You can also program individual items of the NAT - External IP Address. For more details, see step e.b. Program the following settings according to the protocol used by the KX-NT500 series IP extensionsand IP-CSs (KX-NS0154 only) in the remote site. Configure the following items in IP Extension /IP-CS.WAN Side IP information of the router at themain site Web Maintenance Console ParameterMGCPPort Number NAT - MGCP Server Port No.Port Number (for IP-CS [KX-NS0154 only]) NAT - MGCP Server Port No. for IP-CSFTPPort Number NAT - FTP Server Port No.c. Program the following settings according to the protocol used by the KX-UT series SIP extensions andSIP extensions in the remote site. Configure the following items in SIP Extension / UT Extension.WAN Side IP information of the router at themain site Web Maintenance Console ParameterSIPPort Number NAT - SIP Proxy Server Port No.d. Program the following settings according to the protocol used by the KX-UT series SIP extensions inthe remote site. Configure the following items in UT Extension.– When the KX-UT series SIP phones are using HTTPS:WAN Side IP information of the router at themain site Web Maintenance Console ParameterCWMPPort Number NAT - CWMP Server (HTTPS) Port No.Port Number NAT - CWMP Server (HTTPS) Port No. forNetwork SurvivabilityFor Data DownloadDocument Version 2016-03 Installation Manual 2715.9.4 Installing IP Phones at a Remote Site with a Built-in Media Relay Gateway
