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Cisco Bug: CSCub05558 - H245 media negotiation fails after receiving duplicated message

Last Modified

Jul 03, 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)


No media is setup for the call


CUCM receives a duplicated H245 MSD message from the remote.
On receiving CUCM internally stops the H245 process and does not continue the H245 negotiation.
The call remains active
First seen with CUCM 7.1.5 but can exist on any version
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Bug Details Include

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