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Cisco Bug: CSCuk44354 - DTMF tones not competely stripped

Last Modified

Feb 05, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.2(11)T 12.2(13)T1 12.3(1) 3.6(25)

Description (partial)

Symptom:
Very short amounts of DTMF, on the order of 20 milliseconds, may leak 
through in-band.  This is likely to be a problem only where the network
includes a DTMF detector that reports very short DTMF digits.

Conditions:
Where DTMF relay is enabled so that the DTMF digit should be removed
from the voice path and relayed through the out-of-band path instead.
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  • Status
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