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Cisco Bug: CSCtf17805 - CUCM 8.0 faills to provide sendrecv offer SDP for SCCP EP

Last Modified

Feb 22, 2014

Products (3)

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

Known Affected Releases

7.1(3) 8.0

Description (partial)

Symptom:
DTMF not working after upgrade from 6.1 to 7.1

Conditions:
Seen when using 3rd party VM system via SIP. When initially in SDP no DTMF 
support is being negotiated and later on gets added via reinvite, this is not 
cascaded down to the device. in StartMediaTransmission we tell the phone to 
use RFC2833 payload type 0 instead of 101.
Phone using skinny protocol
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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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