Comet Labs IPTEL-S Manual do Utilizador descarregar pdf (Página 13)

What Did SIP Inherit?

8/31/2005 Copyright - Ahlgren 2005 13

AhlTek

 URLs:

 general references, recursive,

 Can be embedded in web pages SIP: [email protected]

 HTTP:

 basic request/response format, status codes, . . .

 proxies

 CGI programming interface

 email/SMTP:

 Error codes, 404 file not found

 IP Addressing

 MX & SRV mail server domain look up, load balancing, redundancy

 ENUM:

 Translates phone numbers to SIP address via DNS

 E.164

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Comet Labs IPTEL-S Manual do Utilizador Página 13