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Cisco Bug: CSCus57502 - HA support for OOB DTMF Interworking

Last Modified

May 03, 2018

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

Out Of Band DTMF support with High-Availabity  is not available

DTMF will not work during/after failover for any interworking mentioned below.

- RFC 2833 to Out-of-band DTMF Interworking
- Out-of-band to RFC 2833 DTMF Interworking
- Out-of-band to Out-of-band DTMF

Calls established via CUBE with Out of Band DTMF mismatch
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