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Prestige 2602HW Series User’s Guide
10
Chapter 7
WAN Setup............................................................................................................ 103
7.1 WAN Overview .................................................................................................103
7.2 Metric ..............................................................................................................103
7.3 PPPoE Encapsulation ......................................................................................104
7.4 Traffic Shaping .................................................................................................104
7.5 Zero Configuration Internet Access ..................................................................105
7.6 Configuring WAN Setup ...................................................................................105
7.7 Traffic Redirect .................................................................................................108
7.8 Configuring WAN Backup .................................................................................109
Chapter 8
Network Address Translation (NAT) Screens .................................................... 113
8.1 NAT Overview ..................................................................................................113
8.1.1 NAT Definitions .......................................................................................113
8.1.2 What NAT Does ......................................................................................114
8.1.3 How NAT Works .....................................................................................114
8.1.4 NAT Application ......................................................................................115
8.1.5 NAT Mapping Types ...............................................................................115
8.2 SUA (Single User Account) Versus NAT ..........................................................116
8.3 SUA Server ......................................................................................................117
8.3.1 Default Server IP Address ......................................................................117
8.3.2 Port Forwarding: Services and Port Numbers ........................................117
8.3.3 Configuring Servers Behind SUA (Example) ..........................................118
8.4 Selecting the NAT Mode ..................................................................................118
8.5 Configuring SUA Server ...................................................................................119
8.6 Configuring Address Mapping ..........................................................................121
8.7 Editing an Address Mapping Rule ....................................................................122
Chapter 9
Introduction to VoIP ............................................................................................. 125
9.1 Introduction to VoIP ..........................................................................................125
9.2 SIP ..................................................................................................................125
9.2.1 SIP Identities ...........................................................................................125
9.2.1.1 SIP Number ...................................................................................125
9.2.1.2 SIP Service Domain ......................................................................125
9.2.2 SIP Call Progression ...............................................................................126
9.2.3 SIP Servers .............................................................................................126
9.2.3.1 SIP User Agent Server ..................................................................126
9.2.3.2 SIP Proxy Server ...........................................................................127
9.2.3.3 SIP Redirect Server ......................................................................127
9.2.3.4 SIP Register Server ......................................................................128
9.2.4 RTP .........................................................................................................128