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Cisco Bug: CSCuw53282 - Out of order mid-call re-invite not responded to correctly

Last Modified

Feb 07, 2017

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

10.5(2.10000.5) 11.0(1.10000.10) 8.6(2.10000.30) 9.1(2.10000.28)

Description (partial)

Caller may hear dead air or the call may get dropped depending on the call flow.

In a call-flow involving CVP whch transfers the call to voicemail, it was observed that the mid-call re-invite and the notify message went out of order(reversed CSEQ number) from CVP to Callmanager.  Instead of responding to the CVP with a 500 error message, Callmanager sent the error response to the CUSP which was used originally to route the call to CVP.
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