Panasonic KX-NCP1000 Programming Manual page 48

3.3.1 Main
NAT - Fixed Global IP Address
Specifies the global IP address of the router with NAT enabled. This setting is compulsory if Fixed IP Addr.
is selected in NAT Traversal.
Default
Not stored.
Value Range
1.0.0.0–223.255.255.255
STUN Ability
Specifies whether to open a protocol port of the STUN server to enable STUN feature.
Default
Disable
Value Range
Disable, Enable
STUN Client Port Number
Specifies the port number of the PBX used for communications with the STUN server.
Default
33478
Value Range
1–65535
STUN External Address Detection Retry Counter
Specifies the number of times that a query is retried when no response is received from the STUN server.
Default
1
Value Range
0–8
STUN Resending Interval
Specifies the length of time until a query is retried when no response is received from the STUN server.
Default
500 ms
Value Range
0–1600 ms
48 Programming Manual for Virtual SIP CO Line Card Document Version 2009-12