session - What is the difference between Recursive proxy server and Non-Recursive proxy server? -

when calling 1 sip ip phone sip ip phone unconditional call forwarding feature activated,we have 2 methods : 1)through recursive proxy server 2)through non-recursive proxy server

call forward unconditionally via recursive proxy call forward unconditionally via non-recursive proxy

a recursive proxy server forwards normal call new destination. recursive call forward has more server side processing cost compatible sip devices.

a non-recursive proxy reject calls 302 moved temporarily specifying new destination in contact header, client know have initiate new call new destination (if supports call forwarding). non-recursive proxy can operate minimal processing cost rejects calls.

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