Chapter 10 The VoIP Account Screens
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A sends a SIP INVITE request to B. This message is an invitation for B to
participate in a SIP telephone call.
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B sends a response indicating that the telephone is ringing.
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B sends an OK response after the call is answered.
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A then sends an ACK message to acknowledge that B has answered the call.
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Now A and B exchange voice media (talk).
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After talking, A hangs up and sends a BYE request.
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B replies with an OK response confirming receipt of the BYE request and the call is
terminated.
10.9.2 SIP Client Server
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.
Содержание MAX318M2W
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Страница 10: ...Contents Overview MAX318M2W User s Guide 10...
Страница 16: ...Table of Contents MAX318M2W User s Guide 16...
Страница 17: ...17 PART I User s Guide...
Страница 18: ...18...
Страница 24: ...Chapter 1 Getting Started MAX318M2W User s Guide 24...
Страница 57: ...57 PART II Technical Reference...
Страница 58: ...58...
Страница 62: ...Chapter 5 System Status MAX318M2W User s Guide 62...
Страница 84: ...Chapter 6 WiMAX MAX318M2W User s Guide 84...
Страница 126: ...Chapter 7 Network Settings MAX318M2W User s Guide 126...
Страница 132: ...Chapter 8 Security MAX318M2W User s Guide 132...
Страница 226: ...Appendix B Setting Up Your Computer s IP Address MAX318M2W User s Guide 226...
Страница 236: ...Appendix C Pop up Windows JavaScript and Java Permissions MAX318M2W User s Guide 236...
Страница 280: ...Appendix E Importing Certificates MAX318M2W User s Guide 280...
Страница 294: ...Index MAX318M2W User s Guide 294...