Panasonic KX-NS1000 Programming Manual page 233

For voice communications, an IP-PT uses 128 contiguous UDP ports, starting from the port number specified
here.
To change the value displayed here, click Common Settings and set the desired value.
Value Range
1024–65535
Maintenance Console Location
9.5 PBX Configuration—[1-1] Configuration—Slot—Site Property
Feature Guide References
5.2.1 IP Proprietary Telephone (IP-PT)
UDP Port No. for SIP Extension Server
Specifies the UDP port number used for the SIP Extension server.
To change the value displayed here, click Common Settings and set the desired value.
Value Range
1024–65535
Maintenance Console Location
9.5 PBX Configuration—[1-1] Configuration—Slot—Site Property
Feature Guide References
5.2.2 SIP (Session Initiation Protocol) Extension
CWMP (HTTP) Port No. for SIP-MLT
Specifies the HTTP port of the PBX-side ACS for control communication with KX-UT series SIP phones.
Value Range
0–65535 (Setting "0" will close port access for this feature)
Maintenance Console Location
9.5 PBX Configuration—[1-1] Configuration—Slot—Site Property
Feature Guide References
5.2.2.3 Simple Remote Connection
CWMP (HTTPS) Port No. for SIP-MLT
Specifies the HTTPS port of the PBX-side ACS for control communication with KX-UT series SIP phones.
Value Range
0–65535 (Setting "0" will close port access for this feature)
9.5.1 PBX Configuration—[1-1] Configuration—Slot—Site Property—Main
PC Programming Manual 233