Hi all, There is an ETSI Test case which says "Ensure that the IUT having already received a 2XX final response to its INVITE request, on receipt of a Success (200 OK) response, with a different Record-Route as in previous response, but with the same Via branch parameter and CSeq header method as in the INVITE request, sends an ACK request with a Route header set according to this new Record-Route." My doubt is should the second 200 OK have the same branch parameter as the initial 200 OK had or should it have a diff branch than the initial 200 OK (forked response). If the test case has to be executed with diff branch parameter, does the ETSI Test case hold true for the 2nd 200 OK response having branch same as the initial 200 OK. Thanks, Sunil
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