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Cisco Bug: CSCsz33647 - SIP stack sends SIPConnControlInd to DMMS, 503 service not available err

Last Modified

Jul 06, 2017

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)


 503 service not available error


After a mobile phone unregister,  SIP stack sends SIPConnControlInd to DMMS to inform connection is closed.  And it is not properly handled.  When quoted call came in, DMMS still routed it to sipstation, which results in 503 service not available
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