Cisco Bug: CSCvu34205 - CUCM fails to update RFC2833 DTMF payload value when MTP is in the call path
Sep 30, 2020
- Cisco Unified Communications Manager (CallManager)
Known Affected Releases
Symptom: DTMF payload for RFc2833 is not being updated , can lead to DTMF not working in certain scenarios. Conditions: -MTP must be allocated. -Both legs doing RFC2833 and initial payload allocated needs to change in a re-negotiation.
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