Ip Single Line Telephone (Sip) - Nat Mode - NEC Univerge SV8100 Features And Specifications Manual

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UNIVERGE SV8100

IP Single Line Telephone (SIP) – NAT Mode

With SV8100 Version 9500 (9.5) or higher software, the SV8100 supports the NAT (Network Address

Translation) mode for Standard SIP terminals.

When Program 10-33-05 NAT mode for SIP phone is set to 1 (Enable), the P2P mode for

SIP Phone becomes always Off regardless of Program 10-26-03 setting.

Standard SIP Video call feature which uses P2P mode cannot be established in the same

system since the P2P mode is disabled by enabling Program 10-33-05.

SIP Station – PZ-32IPLA/IPLB, PZ-64IPLA/IPLB or PZ-128IPLA/IPLB does not support a

Blind Transfer feature.

When connecting multiple SIP Phones via NAT, Program 15-05-18 has to be set to admit

registration of multiple SIP Phones which are using the same IP address. For example, a

Standard SIP terminal that has two lines registering with the same IP Address requires

Program 15-05-18 to be set for both extension numbers.

In the router/firewall that the SV8100 resides behind port forwarding is required. Port

forwarding at the SIP Terminal end is not required as long as Program 15-05-45 (Plug and

Play) is enabled. The ports that must be forwarded to the SV8100 are as follows:

UDP Port 5070 MUST be forwarded to the IP Address assigned in Program 10-12-09.

UDP Ports 10020 ~ 10083 (IPLA/IPLB 32), UDP Ports 10020 ~ 10147 (IPLA/IPLB 64) and

UDP Ports 10020 ~ 10275 (IPLA/IPLB 128), MUST be forwarded to the IP Address(s)

assigned in Program 84-26-01.

With Version 9500 or higher software, when Program 15-05-45 is set to "1" the manual

table setting for port forwarding may not be required on the remote side router, but the

router must support the NAT function itself. If Program 15-05-45 is set to "0" port

forwarding at the Remote side router is required. This feature requires the installation of

PZ-( ) IPLB.

With Version 9500 or higher software, when uMobility client connects via NAT, Program

15-05-47 must be set to 60 seconds for that extension.

Default Setting

IP Single Line Telephone (SIP) – NAT Mode