WAN Side IP information of the router at the
main site
Web Maintenance Console Parameter
Port Number NAT - SIP-MLT Data Download Server
(HTTPS) Port No.
– When the KX-UT series SIP phones are using HTTP:
WAN Side IP information of the router at the
main site
Web Maintenance Console Parameter
CWMP
Port Number NAT - CWMP Server (HTTP) Port No.
Port Number NAT - CWMP Server (HTTP) Port No. for
Network Survivability
For Data Download
Port Number NAT - SIP-MLT Data Download Server
(HTTP) Port No.
e. Program the following common settings in Option.
WAN Side IP information of the router at the
main site
Web Maintenance Console Parameter
RTP
IP Address NAT - RTP IP Address
SIP
IP Address NAT - SIP Proxy Server IP Address
CWMP
IP Address NAT - CWMP Server IP Address
IP Address NAT - CWMP Server IP Address for
Network Survivability
NTP
IP Address NAT - NTP Server IP Address
If necessary, you can program the individual settings here and overwrite the NAT - External IP
Address setting programmed in step a.
6. Click OK.
7. Click Setup ® PBX Configuration ® Configuration ® Slot.
238 Installation Manual Document Version 2016-03
5.8.4 Installing IP Phones at a Remote Site with a Built-in Media Relay Gateway