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Cisco Bug: CSCsz43640 - DVOF - 500 Internal Server Error sent instead of BYE

Last Modified

Jul 06, 2017

Products (3)

  • Cisco Unified Communications Manager (CallManager)
  • Cisco Unity Connection Version 7.1
  • Cisco Unified Communications Manager Version 7.1

Known Affected Releases


Description (partial)


Abort a DVO call before it completes.
 This dial-via-office error appears to occur when the call is disconnected prior to answer from the device initiating the call, or before call connects to voicemail.  Example:  Call placed from 1 (mobility1) to i (mobilit2).  Call rings to mobility2 desk phone , then to CUMC device mobility2.  Call is disconnected from mobility 1  before the call goes to vm.  

Error observed is

Dial via  office error:  "Unified Mobile  Communicator:  Dial via Office  encountered an error (SIP 1907, Server Internal Error).  If the problem persists, please  contact your system administrator
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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