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SIP trunk - how to retry on 5xx response codes? [CUCM 7.x / 8.x]

Question asked by yossibenh on Jul 20, 2011
Latest reply on Aug 2, 2011 by dakeller



The scenario is a CUCM with two SIP trunks towards a 3rd party gateway.

By default reroute occurs when the SIP response code from the remote gateway is 503, but not when the code is another value in the 5xx class.


Is it possible to explicitly define the response codes on which the CUCM should reroute the INVITE to other SIP trunks?