iv Table of Contents
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Issue 6.0 NEC SL1100
6.7.3 Configuring Diffserv ....................................................................... 6-28
6.7.4 Configuration Examples for Classification and Queuing ................ 6-29
Section 7 Port Designations................................................................ 6-31
Chapter 7 SIP Trunking
Section 1 VoIP......................................................................................... 7-1
Section 2 IP Networking......................................................................... 7-1
Section 3 SIP Trunking........................................................................... 7-2
3.1 Introduction .......................................................................................... 7-2
3.1.1 SIP Trunking Requirements ............................................................ 7-3
3.1.2 SIP Trunking Setup ......................................................................... 7-4
Section 4 SIP Trunk Overview............................................................... 7-5
4.1 General Information ............................................................................. 7-5
4.2 Supported Protocols ............................................................................ 7-5
4.3 Supported SIP Methods ...................................................................... 7-6
4.4 Supported SIP Trunking Options ......................................................... 7-6
4.5 Supported CODEC .............................................................................. 7-7
Section 5 Supported SIP Trunking Functions ..................................... 7-7
5.1 Address Resolution ............................................................................. 7-7
5.2 Authentication Process ........................................................................ 7-7
5.3 Caller ID ............................................................................................... 7-8
5.4 Carrier Support .................................................................................... 7-8
5.5 Early Media .......................................................................................... 7-8
5.6 Fault Tolerance .................................................................................... 7-8
5.7 Network Address Port Translation (NAPT) .......................................... 7-9