5
Contents

New in this release 9

Other 9
Subject 9
Intended audiences 9
Related information 9
NTPs 10
Online 10
CD-ROM 10

Description 11

Contents 11
Survivable Remote Gateway 11
Main office hardware description 14
Main office requirements 17
Optional features to enhance SRG functionality 18
Normal Mode and Local Mode overview 19
Normal Mode 19
Bandwidth Management Overview 24
Time of Day 24
SRG IP Phone to local PSTN calls 25
IP Phone to analog (500/2500-type) telephone calls 25
Capacity 26
Branch office dialing plan 27
Branch office and SRG 50 terminology 28
Limitations 29

Setting up the main office 31

Contents 31
Introduction 31
SRG information required by the main office 31
Main office information required by the SRG 32
Zone parameters 34
Branch office IP Phone configuration at the main office 38
SIP IP Trunksconfiguration at the main office 40
Nortel Communication Server 1000
Main Office Configuration Guide forSRG 50
NN43001-307 02.02 Standard
Release 5.0 3 December 2007
Copyright© 2005-2007, Nor tel Networks
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