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Cisco Bug: CSCus68609 - UCXN sends SRTP answer in reply to EO RTP offer

Last Modified

Mar 06, 2018

Products (5)

  • Cisco Unity Connection
  • Cisco Unity Connection Locale Installer
  • Cisco Unified Communications Manager Version 10.5
  • Cisco Unity Connection Version 10.5
  • Cisco Unified Communications Manager Session Management Edition

Known Affected Releases

10.5(2)

Description (partial)

Symptom:
Calls placed from a non-secure phone to a Unity Connection secure SIP trunk integration fail. An error similar to the following is seen in the CUCM logs:

38207547.029 |13:36:07.098 |AppInfo  |!!ERROR!! -SIPInterface-(38880)::answerProfilesConformWithOffer, mx-offer profile mis-match, posting MxError and dropping call, RTP(0,1), sRTP(1,0)

Conditions:
* Unity Connection SIP trunk integration -- using encrypted trunks to the CUCM 
* Trunk between Unity Connection and CUCM is configured for early offer
* The call received by Unity Connection is an early offer call
* Unity Connection port group is configured for SRTP
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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