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ZyXEL Communications Prestige 2602R Series User Manual

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Prestige 2602R Series User’s Guide

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Table of Contents

7.2.2 SIP Call Progression ...............................................................................104
7.2.3 SIP Servers .............................................................................................104

7.2.3.1 SIP User Agent .............................................................................105
7.2.3.2 SIP Proxy Server ...........................................................................105
7.2.3.3 SIP Redirect Server ......................................................................106
7.2.3.4 SIP Register Server ......................................................................106

7.2.4 RTP .........................................................................................................106

7.3 SIP ALG ...........................................................................................................107
7.4 Pulse Code Modulation ....................................................................................107
7.5 Voice Coding ....................................................................................................107

7.5.1 G.711 .......................................................................................................107
7.5.2 G.729 ......................................................................................................107

7.6 PSTN Call Setup Signaling ..............................................................................107
7.7 MWI (Message Waiting Indication) ...................................................................108

Chapter 8
Voice Screens .......................................................................................................
109

8.1 Voice Screens Introduction ..............................................................................109
8.2 SIP Settings Configuration ...............................................................................109
8.3 Advanced Voice Settings Configuration ...........................................................110
8.4 Quality of Service (QoS) ..................................................................................113

8.4.1 Type Of Service (ToS) .............................................................................113
8.4.2 DiffServ ...................................................................................................113

8.4.2.1 DSCP and Per-Hop Behavior ........................................................113

8.4.3 VLAN ......................................................................................................113

8.5 QoS Configuration ............................................................................................114
8.6 Phone ...............................................................................................................115

8.6.1 Voice Activity Detection/Silence Suppression .........................................115
8.6.2 Comfort Noise Generation ......................................................................115
8.6.3 Echo Cancellation ...................................................................................115

8.7 Phone Configuration ........................................................................................115
8.8 Speed Dial ........................................................................................................117

8.8.1 Peer-to-Peer Calls ..................................................................................117

8.9 Speed Dial Configuration .................................................................................117
8.10 Supplementary Phone Services Overview .....................................................119

8.10.1 The Flash Key .......................................................................................119
8.10.2 Europe Type Supplementary Phone Services ......................................120

8.10.2.1 European Call Hold .....................................................................120
8.10.2.2 European Call Waiting ................................................................120
8.10.2.3 European Call Transfer ...............................................................121
8.10.2.4 European Three-Way Conference ..............................................121

8.10.3 USA Type Supplementary Services ......................................................121

8.10.3.1 USA Call Hold .............................................................................122