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Prestige 2602R Series User’s Guide
104
Chapter 7 Introduction to VoIP
7.2.1.2 SIP Service Domain
The SIP service domain of the VoIP service provider is the domain name in a SIP URI. For
example, if the SIP address is
, then “VoIP-provider.com” is
the SIP service domain.
7.2.2 SIP Call Progression
The following figure displays the basic steps in the setup and tear down of a SIP call. A calls
B.
1
A sends a SIP INVITE request to B. This message is an invitation for B to participate in a
SIP telephone call.
2
B sends a response indicating that the telephone is ringing.
3
B sends an OK response after the call is answered.
4
A then sends an ACK message to acknowledge that B has answered the call.
5
Now A and B exchange voice media (talk).
6
After talking, A hangs up and sends a BYE request.
7
B replies with an OK response confirming receipt of the BYE request and the call is
terminated.
7.2.3 SIP Servers
SIP is a client-server protocol. A SIP client is an application program or device that sends SIP
requests. A SIP server responds to the SIP requests.
When you use SIP to make a VoIP call, it originates at a client and terminates at a server. A
SIP client could be a computer or a SIP phone. One device can act as both a SIP client and a
SIP server.
Table 25
SIP Call Progression
A
B
1. INVITE
2. Ringing
3. OK
4. ACK
5.Dialogue (voice traffic)
6. BYE
7. OK
Summary of Contents for Prestige 2602R Series
Page 1: ...Prestige 2602R Series ADSL VoIP IAD User s Guide Version 3 40 7 2005...
Page 2: ......
Page 23: ...Prestige 2602R Series User s Guide Table of Contents 23 Index 439...
Page 24: ...Prestige 2602R Series User s Guide 24 Table of Contents...
Page 32: ...Prestige 2602R Series User s Guide 32 List of Figures...
Page 40: ...Prestige 2602R Series User s Guide 40 Introduction to DSL...
Page 50: ...Prestige 2602R Series User s Guide 50 Chapter 1 Getting To Know Your Prestige...
Page 56: ...Prestige 2602R Series User s Guide 56 Chapter 2 Introducing the Web Configurator...
Page 90: ...Prestige 2602R Series User s Guide 90 Chapter 5 WAN Setup...
Page 102: ...Prestige 2602R Series User s Guide 102 Chapter 6 Network Address Translation NAT Screens...
Page 134: ...Prestige 2602R Series User s Guide 134 Chapter 11 Time and Date...
Page 148: ...Prestige 2602R Series User s Guide 148 Chapter 12 Firewalls...
Page 170: ...Prestige 2602R Series User s Guide 170 Chapter 13 Firewall Configuration...
Page 178: ...Prestige 2602R Series User s Guide 178 Chapter 15 Remote Management Configuration...
Page 192: ...Prestige 2602R Series User s Guide 192 Chapter 16 Universal Plug and Play UPnP...
Page 214: ...Prestige 2602R Series User s Guide 214 Chapter 19 Maintenance Figure 104 System Status...
Page 224: ...Prestige 2602R Series User s Guide 224 Chapter 19 Maintenance...
Page 234: ...Prestige 2602R Series User s Guide 234 Chapter 21 Menu 1 General Setup...
Page 238: ...Prestige 2602R Series User s Guide 238 Chapter 22 Menu 2 WAN Backup Setup...
Page 242: ...Prestige 2602R Series User s Guide 242 Chapter 23 Menu 3 LAN Setup...
Page 248: ...Prestige 2602R Series User s Guide 248 Chapter 24 Internet Access...
Page 262: ...Prestige 2602R Series User s Guide 262 Chapter 26 Static Route Setup...
Page 266: ...Prestige 2602R Series User s Guide 266 Chapter 27 Bridging Setup...
Page 282: ...Prestige 2602R Series User s Guide 282 Chapter 28 Network Address Translation NAT...
Page 312: ...Prestige 2602R Series User s Guide 312 Chapter 32 System Information and Diagnosis...
Page 324: ...Prestige 2602R Series User s Guide 324 Chapter 33 Firmware and Configuration File Maintenance...
Page 330: ...Prestige 2602R Series User s Guide 330 Chapter 34 System Maintenance...
Page 334: ...Prestige 2602R Series User s Guide 334 Chapter 35 Remote Management...
Page 346: ...Prestige 2602R Series User s Guide 346 Chapter 37 Call Scheduling...
Page 358: ...Prestige 2602R Series User s Guide 358 Chapter 38 Troubleshooting...
Page 388: ...Prestige 2602R Series User s Guide 388 Appendix D IP Subnetting...
Page 392: ...Prestige 2602R Series User s Guide 392 Appendix E Triangle Route...
Page 394: ...Prestige 2602R Series User s Guide 394 Appendix F SIP Passthrough...
Page 420: ...Prestige 2602R Series User s Guide 420 Appendix G Internal SPTGEN...
Page 422: ...Prestige 2602R Series User s Guide 422 Appendix H Command Interpreter...
Page 424: ...Prestige 2602R Series User s Guide 424 Appendix I Firewall Commands...
Page 438: ...Prestige 2602R Series User s Guide 438 Appendix K Log Descriptions...