viii Table of Contents
Issue 2.0
Section 3 Internet Based Connections (xDSL, Cable, etc.) ................................. 5-5
Section 4 Firewalls and NAT .................................................................................. 5-6
4.1 Understanding the Infrastructure ......................................................... 5-6
4.2 Firewall Integration .............................................................................. 5-7
4.3 Virtual Private Network (VPN) Tunnelling ............................................ 5-8
Section 5 CODEC and Bandwidth ....................................................................... 5-10
5.1 CODECs ............................................................................................ 5-10
5.2 Bandwidth .......................................................................................... 5-12
Section 6 DSP Resource Calculation .................................................................. 5-13
Section 7 Quality of Service (QoS) Implementation ........................................... 5-14
7.1 Prioritization ....................................................................................... 5-14
7.2 Layer 2 QoS (802.1pq) ...................................................................... 5-17
7.3 Layer 3 QoS ...................................................................................... 5-21
7.4 IP Precedence ................................................................................... 5-23
7.5 Diffserv (Differentiated Service) ......................................................... 5-24
7.6 Comparison of IP Precedence and Diffserv Values .......................... 5-25
7.7 Programming QoS in the UNIVERGE SV9100 System .................... 5-28
7.7.1 Marking Voice Traffic - Program 84-10-XX .................................... 5-28
7.7.2 UNIVERGE SV9100 Voice Protocols ............................................ 5-28
7.7.3 Configuring Diffserv ....................................................................... 5-29
7.7.4 Configuration Examples for Classification and Queuing ............... 5-30
Section 8 Port Designations ................................................................................. 5-33
Chapter 6 SIP Trunking
Section 1 Description .............................................................................................. 6-1
Section 2 SIP Trunk E.164 Support ........................................................................ 6-4
Section 3 SIP Trunk E.164 CLIP Enhancement ..................................................... 6-5