NEC SL1100 - Network Address Port Translation (NAPT)

NEC SL1100 Issue 6.0
Networking Manual 7 - 9
5.7 Network Address Port Translation (NAPT)
NEC SL1100 SIP trunk can pass through a NAPT router. The related system
data is
Program 10-12-06 : CPU-B1 Network Setup – NAPT Router (On/Off) and
Program 10-12-07 : CPU-B1 Network Setup – NAPT Router IP Address (do not
set with a dynamic router IP address).
Incorrect settings with these two programs can cause one-way audio
problems.
The WAN global IP is set in the system data by the user or automatically using
the NAT traversal feature (UPnP). The related system data is
10-37-01 : UPnP
Setup
– UPnP Mode (On/Off) and 10-37-02 : UPnP Setup – UPnP Interval
(polling timer).
5.8 Quality of Service (QoS)
NEC SL1100 SIP trunks support Type of Service (ToS) (Program 84-10 : ToS
Setup
, protocol type = 6 (SIP Trunk).
5.9 Registration
5.9.1 Registration Process
When the NEC SL1100 system registers its own IDs with an external
SIP server, the following system data are sent:
The NEC SL1100 sends the REGISTER Message when the system
starts up, register timer expires, CPU LAN links and recover timer
expires.
5.9.2 Registration Recover Process
The NEC SL1100 has a registration recovery process for registration
failure. When a registration fails, the NEC SL1100 sets an internal
recover timer. When the timer expires, the NEC SL1100 sends a
REGISTER message per register ID again.
Register ID # User ID
Authentication
ID
Authentication
Password
Register ID 0 10-36-02 10-36-03 10-36-04
Register ID 1 10-36-02 10-36-03 10-36-04
:
:
10-36-02 10-36-03 10-36-04
Register ID 31 10-36-02 10-36-03 10-36-04