RFC 3665:Session Initiation Protocol (SIP) Basic C...
RFC-Ref

Redirect Server


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... Alice Redirect Server Proxy 3 Bob | | | | ...
... | | | In this scenario, Alice places a call to Bob using first a Redirect server then a Proxy Server. The INVITE message is first sent to the ...
... Proxy Server. The INVITE message is first sent to the Redirect Server. The Server returns a 302 Moved Temporarily response (F2) containing a Contact header with Bob's current SIP ...
... F1 INVITE Alice -> Redirect Server INVITE ...
... F3 ACK Alice -> Redirect Server ACK ...



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