ZyXEL Communications P-2602HWLNI manual 15

	Table of Contents
Chapter 11
Voice.......................................................................................................................................	169
11.1 Introduction to VoIP ..........................................................................................................	169
11.2 SIP ..................................................................................................................................	169
11.2.1 SIP Identities ..........................................................................................................	169
11.2.2 SIP Servers ............................................................................................................	170
11.2.3 RTP ........................................................................................................................	173
11.2.4 Pulse Code Modulation ..........................................................................................	173
11.2.5 SIP Call Progression ..............................................................................................	173
11.2.6 SIP Call Progression Through Proxies ...................................................................	173
11.2.7 Voice Coding ..........................................................................................................	175
11.2.8 PSTN Call Setup Signaling ....................................................................................	175
11.2.9 MWI (Message Waiting Indication) .........................................................................	175
11.2.10 Custom Tones (IVR) .............................................................................................	176
11.3 Quality of Service (QoS) ..................................................................................................	176
11.3.1 Type Of Service (ToS) ............................................................................................	177
11.3.2 DiffServ ...................................................................................................................	177
11.3.3 VLAN ......................................................................................................................	177
11.4 SIP Settings Screen .........................................................................................................	178
11.5 Advanced SIP Setup Screen ..........................................................................................	179
11.6 SIP QoS Screen ..............................................................................................................	182
11.7 Phone ..............................................................................................................................	183
11.7.1 PSTN Line ..............................................................................................................	183
11.7.2 ISDN Line ...............................................................................................................	184
11.7.3 Voice Activity Detection/Silence Suppression ........................................................	184
11.7.4 Comfort Noise Generation ......................................................................................	184
11.7.5 Echo Cancellation ..................................................................................................	184
11.8 Analog Phone .................................................................................................................	184
11.8.1 PHONE Port Call Types .........................................................................................	184
11.8.2 Configuring the Analog Phone Screen ...................................................................	185
11.9 Advanced Analog Phone Setup Screen ..........................................................................	187
11.10 ISDN Phone ..................................................................................................................	189
11.10.1 ISDN Phone Port Call Types ................................................................................	189
11.10.2 Configuring the ISDN Phone Screen ....................................................................	190
11.11 Common Phone Settings Screen ..................................................................................	191
11.12 Ext. Table .......................................................................................................................	191
11.13 Advanced Ext. Table Setup Screen ...............................................................................	193
11.14 Phone Services Overview ..............................................................................................	194
11.14.1 The Flash Key ......................................................................................................	195
11.14.2 Europe Type Supplementary Phone Services ......................................................	195
11.14.3 USA Type Supplementary Services .....................................................................	196
11.15 Phone Region Screen ...................................................................................................	198
11.16 Speed Dial ....................................................................................................................	198
P-2602HWLNI User’s Guide	15