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Cisco Bug: CSCsz58780 - H320 Gateway does not pass DTMF to PSTN for video calls

Last Modified

Jan 27, 2015

Products (1)

  • Cisco 3800 Series Integrated Services Routers

Known Affected Releases


Description (partial)


DTMF digits are passed from IP to ISDN for video calls.


IP Video enabled endpoints registerd with CUCM
CUCM integrates with H320 gateway via H323
On H320 gateway the dial-peer is configured for 
'dtmf-relay h245 alphanumeric or signal'
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