NEC SV8500, Manual

Page: 1040 / 3438

VOL.2-787
MG(BRI) [SCA-2BRIA/MG-2BRIA]
12. MG(BRI) [SCA-2BRIA/MG-2BRIA]
12.1 General
12.1.1 What is MG(BRI)?
MG(BRI) is a media gateway to provide gateway function between ISDN network and IP network. An
MG(BRI) can accommodate a maximum of two ISDN lines. MG(BRI) works in SIP mode and the controlling
signal between the Telephony Server and MG(BRI) adopts Session Initiation Protocol (SIP). (
Note 1
) Control-
ling signal and voice packets are encrypted to ensure security feature.
The MG(BRI) has two types: “MG(BRI) Card [SCA-2BRIA]” for Card Type, “MG(BRI) Box [MG-2BRIA]”
for Box Type. The MG(BRI) Card [SCA-2BRIA] is mounted on 1U-MPC (Multi Purpose Chassis) module.
Those ones are in the following:
Note 1:
In this operation, the Telephony Server acts as SIP server. LAN1 of the Telephony Server is used as the in-
terface for the communication between SIP server and MG(BRI). In the case of Dual Configuration, LAN1
of the Telephony Server#0 is used.
B D B D
ALM PWR
ON
LINE
EMA TEL
LINE0 LINE1 Ether
100M LINK CONSOLE
RESET
MUSIC
MG(BRI) Box [MG-2BRIA]
MG(BRI) Card [SCA-2BRIA]
B D B D
ALM PWR
ON
LINE
EMA TEL
LINE0 LINE1
Ether
100M LINK
CONSOLE
MUSIC
RESET