Table of Contents
Table of Contents
1 Introduction ..............................................................................................3
1.1
Overview ............................................................................................................................4
1.1.1
1.2
Network Management .......................................................................................................7
1.2.1
1.2.2
VLAN (Virtual LAN) ..........................................................................................................8
1.2.3
Gatekeeper .....................................................................................................................10
1.3
Packet Control Features .................................................................................................11
1.3.1
Jitter Buffer .....................................................................................................................11
1.3.2
2.1
VoIP Requirements .........................................................................................................14
2.1.1
Bandwidth Assessment ..................................................................................................14
2.1.2
Network Configuration ....................................................................................................17
2.1.3
Network Devices ............................................................................................................20
2.1.4
QoS (Quality of Service) .................................................................................................22
2.2
3.1
3.2
4 Programming ..........................................................................................31
4.1
Programming the PBX ....................................................................................................32
4.1.1
4.1.2
4.2
4.2.1
4.2.2
4.2.3
4.3
4.3.1
4.4
4.4.1
4.4.2
4.4.3
4.4.4
4.5
4.5.1
Registering IP Telephones .............................................................................................77
4.5.2
5 Appendix .................................................................................................91
5.1
Revision History ..............................................................................................................92
5.1.1
5.1.2
5.2
Error Message .................................................................................................................94
2
IP Networking Guide
Document Version 2009-12