Call redirection – H3C Technologies H3C MSR 50 User Manual
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Figure 674 Call setup procedures involving a proxy server
This is a simplified scenario where only one proxy server is involved and no registrar is present. However,
a complex scenario can involve multiple proxy servers and registrars.
Call redirection
When a SIP redirect server receives a session request, it sends back a response indicating the address of
the called SIP endpoint instead of forwarding the request. The calling and called endpoints therefore can
send request and response to each other directly. See
.
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