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Exchange 2010 UM, SIPNET & DTMF

Discussion in '3CX Phone System - General' started by anton7182, Nov 17, 2010.

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  1. anton7182

    Nov 9, 2010
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    My 3CX installation uses Exchange 2010 SP1 UM as a voicemail backend. When I call from "ouside" (I use SIPNET.RU provider) to access my voicemail, Exchange, for sure, wants my extension and PIN to be dialed.

    The problem is: SIPNET sends DTMF as "sip info". 3CX re-transmits those packets to the Exchanfe UM host, which seems to ignore them.

    Is there any way to transmit DTMF to Exchange UM host as a "rfc2833" packets?

    Thanks in advance,
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