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Cisco Bug: CSCuw48960 - Duplicate DTMF when dsp is used in cube

Last Modified

Jul 10, 2018

Products (1)

  • Cisco IOS

Known Affected Releases

15.4(3)M3.2

Description (partial)

Symptom:
Duplicate DMTF produced when CUBE has acoustic shock protection enabled and the call requires RFC2833 to in-band DTMF interworking.

Conditions:
CUBE has LTI transcoder which is configured and used for acoustic shock protection
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