I currently have a Cisco CUCM and Nortel CS1K setup and when Nortel calls our helpdesk DTMF tones are not recognized. The real strange part is that it is only sometimes it is not recognized. External calls work all the time. Not sure where to start troubleshooting. Any debugs to be run?
We have a Cisco CUBE that connects to the CS1K via a T1 connection. SIP connection between call manager and Nortel.
Red Flag Submitted
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