For the KX-UT series:
Application LAN Side Port Number WAN Side Port Number
SIP Proxy UDP Port No. for SIP Extension
Server
(refer to PC Programming Manual
"9.2.2 PBX Configuration—[1-1]
Configuration
—Slot—System
Property—Site—Port Number")
NAT-SIP Proxy Port No.
(Use the same value as NAT - SIP
Proxy Server Port No.
in step 5 of
"Programming the PBX with Built-in
Media Relay Gateway")
CWMP
HTTP CWMP (HTTP) Port No. for
SIP-MLT
(Use the
same value as in step 11 of
"Programming the PBX with Built-in
Media Relay Gateway".)
NAT - CWMP Server (HTTP) Port
No.
(Use the same value as in step 5 of
"Programming the PBX with Built-in
Media Relay Gateway".)
HTTPS CWMP (HTTPS) Port No. for
SIP-MLT
(Use
the
same value as in step 11 of
"Programming the PBX with Built-in
Media Relay Gateway".)
NAT - CWMP Server (HTTPS) Port
No.
(Use the same value as in step 5 of
"Programming the PBX with Built-in
Media Relay Gateway".)
SIP-MLT Data
HTTP Data Transmission Protocol
(HTTP) Port No. for SIP-MLT
(Use
the same value as in step 11 of
"Programming the PBX with Built-in
Media Relay Gateway".)
Data Transmission Protocol
(HTTP) Port No. for SIP-MLT
(Use the same value as in step 5 of
"Programming the PBX with Built-in
Media Relay Gateway".)
HTTPS Data Transmission Protocol
(HTTPS) Port No. for SIP
-MLT
(Use
the same value as in step 11 of
"Programming the PBX with Built-in
Media Relay Gateway".)
NAT - SIP-MLT Data Download
Server (HTTPS) Port No.
(Use the same value as in step 5 of
"Programming the PBX with Built-in
Media Relay Gateway".)
NTP 123
*1
NAT - NTP Server Port No.
(Use the same value as in step 5 of
"Programming the PBX with Built-in
Media Relay Gateway".)
RTP (UDP) Start/End RTP (UDP) Port No.
(Use port numbers that are in the
range of the RTP ports that the
KX-NS500 uses.)
*2
Start/End RTP (UDP) Port No.
(Use port numbers that are in the
range of the RTP ports that the
KX-NS500 uses.)
*2
Make
sure the RTP Start Port (UDP)
and the RTP End Port (UDP) specified
for the router are in the range of the RTP ports that the KX-NS500 uses. For
the range of RTP port numbers that the KX-NS500 uses, refer to "Port
Numbers for Optional DSP Card" in "8.6 Port Security".
*2
*1
The port number for NTP that the KX-NS500 uses is fixed to 123.
*2
The port number ranges must be within the range of RTP/RTCP for NAT traversal (16000–18047).
Installation Manual 271
5.8.4 Installing IP Phones at a Remote Site with a Built-in Media Relay Gateway
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