NEC SL2100 - Section 6 SIP TRUNK PROGRAMMING

5.7 Network Address Port Translation (NAPT)
NEC SL2100 SIP trunk can pass through a NAPT router. The related system data is Program
10-12-06 : CPU-C1 Network Setup – NAPT Router (On/Off) and Program 10-12-07 : CPU-C1
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 SL2100 SIP trunks support Type of Service (ToS) (Program 84-10 : ToS Setup, protocol type =
9 (SIP Trunk).
5.9 Registration
5.9.1 Registration Process
When the NEC SL2100 system registers its own IDs with an external SIP server, the following system
data are sent:
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
The NEC SL2100 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 SL2100 has a registration recovery process for registration failure. When a registration fails,
the NEC SL2100 sets an internal recover timer. When the timer expires, the NEC SL2100 sends a
REGISTER message per register ID again.
The recover timer is either five minutes or 30 minutes. Typically, five minutes is used.
SECTION 6 SIP TRUNK PROGRAMMING
6.1 SIP Trunk Basic Setup
Program/
Item No.
Description/
Selection
Assigned Data Comments
10-28-01 SIP System Information Set-
up – Domain Name
64 characters maximum
Default not assigned
Select SIP Profile 1-6.
Define the domain name. This informa-
tion is generally provided by the SIP
carrier.
SL2100 ISSUE 1.0
7-6
SIP Trunking