NEC SL2100 Features And Specifications Manual page 515

ISSUE 1.0
• NAT mode for SIP Phone which can not use SIP P2P mode and standard SIP video call feature
which uses P2P mode cannot establish in same system.
• When connecting multiple SIP Phones via NAT, PRG 15-05-18 has to be set to admit the
registration of multiple SIP Phones which are using same IP address.
• In the router/firewall that the SL2100 resides behind port forwarding is requried. Port forwarding at
the SIP Terminal end is not required as long as PRG 15-05-45 (Plug and Play) is enabled, which it is
by default. The ports that must be forwarded to the SL2100 are as follows:
UDP Port 5070 MUST be forwarded to the IP Address assigned in PRG 10-12-09. UDP Ports 10020
~ 10083 MUST be forwarded to the IP Address assigned in PRG 84-26-01.
Default Settings
None
System Availability
Terminals
SIP Terminals Compliant with RFC 3261, RFC 3262, RFC 3264 (Session Description Protocol), RFC
1889 (Real Time Protocol).
Required Component(s)
CPU
VoIPDB
SL2100 IP EXT-01 LIC (License Code 5111)
Related Features
IP Single Line Telephone (SIP)
Call Forwarding
Guide to Feature Programming
VoIP Settings:
Program Program Name
No.
10-12-03 CPU Network Setup - Default Gateway
10-12-09 CPU Network Setup - IP Address (VoIPDB)
Features and Specifications Manual
Input Data
0.0.0.0 ~ 126.255.255.254
128.0.0.1 ~ 191.255.255.254
192.0.0.1 ~ 223.255.255.254
0.0.0.0 ~ 126.255.255.254
128.0.0.1 ~ 191.255.255.254
192.0.0.1 ~ 223.255.255.254
SL2100
I
Default
0.0.0.0
172.16.0.10
1-501