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Cisco Bug: CSCtd62837 - H323 to SIP, H323 side support two DTMF method, DTMF interworking failed

Last Modified

Nov 11, 2010

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

12.2(33)XNE

Description (partial)

Symptom:
H323 to SIP, H323 side support two DTMF method, DTMF interworking failed

Conditions:
H.323 to SIP call, when H.323 side support H245 alphanumeric userinput and tel-event, SIP side just support tel-event. H.323 side send DTMF userinput, SBC also drop the userinput, pd log show:

ICC has failed to find a mechanism to pass on DTMF tones in this call.
The tones will not reach their destination.  This will not cause the 
call to fail.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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