SIP (Session Initiation Protocol): Difference between revisions
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MikeVislocky (talk | contribs) m Text replacement - "{{References}}" to "{{External References}}" |
MikeVislocky (talk | contribs) Updated from ADM-000.24 |
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|'''''CANCEL''''' |
|'''''CANCEL''''' |
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|A SIP transaction which is used to cancel an INVITE transaction which has not yet completed. |
|A SIP transaction which is used to cancel an INVITE transaction which has not yet completed. |
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|'''''Call-Info''''' |
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|A SIP header field which contains a URI referring to some kind of data relevant to a call, and a “purpose” parameter describing what the URI refers to. Used to carry URIs to such entities as Additional Data for the Call and Caller, and call/Incident Tracking Identifiers. |
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|'''''From''''' |
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|A SIP header that describes the caller’s notion of its own identity (Address of Record). From is generally not treated as reliable unless it is protected by an Identity header. |
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|'''''INFO''''' |
|'''''INFO''''' |
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|'''''reINVITE''''' |
|'''''reINVITE''''' |
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|A SIP INVITE transaction within an established session used to change the parameters of a call or refresh a session. |
|A SIP INVITE transaction within an established session used to change the parameters of a call or refresh a session. |
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|'''''MESSAGE''''' |
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|A SIP method which passes information, often an Instant Message, between endpoints in the body of the SIP message. |
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|'''''Method''''' |
|'''''Method''''' |
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|'''''REFER''''' |
|'''''REFER''''' |
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|A SIP method that is used as part of a transfer operation to refer a call to another endpoint. |
|A SIP method that is used as part of a transfer operation to refer a call to another endpoint. |
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|'''''RequestURI''''' |
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|That part of a SIP message that indicates where the call is being routed towards. SIP Proxy servers commonly change the Request ID (“retargeting”) to route a call towards the intended recipient. |
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|'''''Resource Priority''''' |
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|A header used on SIP calls to indicate priority that proxy servers give to specific calls. The Resource Priority header does not indicate that a call is an emergency call (see RequestURI). |
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|'''''REGISTER''''' |
|'''''REGISTER''''' |
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