Author Topic: Charter Telecom SIP Trunks  (Read 1802 times)

Offline ralph

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Charter Telecom SIP Trunks
« on: October 17, 2012, 02:31:33 PM »
Has anyone been able to get Charter SIP Trunks into production on a 3300?
I've got them up but DTMF doesn't work when connecting outbound to a external Auto Atten or VM.
This apparently is Mitel doesn't do in-band signaling like Charter wants and Charter apparently can't use RFC2833.

Ralph


 

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