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Cisco Bug: CSCvv76340 - RTP packets are dropped due to DTMF punt to notify WSAPI XCC application leading to one way audio

Last Modified

Oct 07, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

16.12.5 16.9.5 16.9.6

Description (partial)

Symptom:
RTP packets are dropped due to DTMF punt to notify WSAPI XCC application leading to one way audio

Conditions:
In secure logix deployment where XCC application is listening for DTMF events, Dataplane punts the DTMF events up to the control plane. This leads to RTP packet drops under "borrowed by dtmf" header creating a one way audio
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