ZyXEL Communications P-2302R-P1 Series User Manual page 14

P-2302R-P1 Series User's Guide
Chapter 9
SIP ......................................................................................................................... 115
9.1 SIP Overview ...................................................................................................115
9.2 SIP Screens .....................................................................................................122
Chapter 10
Phone .................................................................................................................... 131
10.1 Phone Overview .............................................................................................131
10.2 Phone Screens ...............................................................................................135
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9.1.1 Introduction to VoIP ................................................................................115
9.1.2 Introduction to SIP ..................................................................................115
9.1.3 SIP Identities ...........................................................................................115
9.1.3.1 SIP Number ...................................................................................116
9.1.3.2 SIP Service Domain ......................................................................116
9.1.4 SIP Call Progression ...............................................................................116
9.1.5 SIP Client Server ....................................................................................116
9.1.5.1 SIP User Agent .............................................................................117
9.1.5.2 SIP Proxy Server ...........................................................................117
9.1.5.3 SIP Redirect Server ......................................................................118
9.1.5.4 SIP Register Server ......................................................................118
9.1.6 RTP .........................................................................................................118
9.1.7 NAT and SIP ...........................................................................................119
9.1.7.1 SIP ALG ........................................................................................119
9.1.7.2 Use NAT ........................................................................................119
9.1.7.3 STUN ............................................................................................119
9.1.7.4 Outbound Proxy ............................................................................120
9.1.8 Voice Coding ...........................................................................................120
9.1.9 PSTN Call Setup Signaling .....................................................................120
9.1.10 MWI (Message Waiting Indication) .......................................................121
9.1.11 Quality of Service (QoS) .......................................................................121
9.1.11.1 Type of Service (ToS) ..................................................................121
9.1.11.2 DiffServ ........................................................................................121
9.1.11.3 DSCP and Per-Hop Behavior ......................................................121
9.1.11.4 VLAN ...........................................................................................122
9.2.1 SIP Settings Screen.................................................................................122
9.2.2 Advanced SIP Setup Screen ...................................................................124
9.2.3 SIP QoS Screen ......................................................................................128
10.1.1 Voice Activity Detection/Silence Suppression/Comfort Noise ...............131
10.1.2 Echo Cancellation .................................................................................131
10.1.3 Supplementary Phone Services Overview ...........................................131
10.1.3.1 The Flash Key .............................................................................132
10.1.3.2 Europe Type Supplementary Phone Services .............................132
10.1.3.3 USA Type Supplementary Services ............................................134
Table of Contents