Chapter 10 The VoIP Account Screens
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SIP Identities
A SIP account uses an identity (sometimes referred to as a SIP address). A
complete SIP identity is called a SIP URI (Uniform Resource Identifier). A SIP
account's URI identifies the SIP account in a way similar to the way an e-mail
address identifies an e-mail account. The format of a SIP identity is SIP-
Number@SIP-Service-Domain.
SIP Number
The SIP number is the part of the SIP URI that comes before the “@” symbol. A
SIP number can use letters like in an e-mail address ([email protected] for
example) or numbers like a telephone number ([email protected]
for example).
SIP Service Domain
The SIP service domain of the VoIP service provider (the company that lets you
make phone calls over the Internet) is the domain name in a SIP URI. For
example, if the SIP address is
, then “VoIP-
provider.com” is the SIP service domain.
SIP Register Server
A SIP register server maintains a database of SIP identity-to-IP address (or
domain name) mapping. The register server checks your user name and password
when you register.
10.1.3 SIP User Agent
A SIP user agent can make and receive VoIP telephone calls. This means that SIP
can be used for peer-to-peer communications even though it is a client-server
protocol. In the following figure, either A or B can act as a SIP user agent client to
initiate a call. A and B can also both act as a SIP user agent to receive the call.
Figure 66
SIP User Agent
SIP Proxy Server
A SIP proxy server receives requests from clients and forwards them to another
server.
A
B
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Страница 10: ...Contents Overview MAX318M2W User s Guide 10...
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Страница 17: ...17 PART I User s Guide...
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Страница 24: ...Chapter 1 Getting Started MAX318M2W User s Guide 24...
Страница 57: ...57 PART II Technical Reference...
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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...