Lync Inttegration with avaya: cannot detect press number option

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  • mgerio
    Aspiring Member
    • Sep 2012
    • 1

    Lync Inttegration with avaya: cannot detect press number option

    Hello..

    can someone help us out with issue below?

    The home for technical questions and answers at Microsoft. Get started asking, answering, and browsing questions about products like .Net, Azure, or Teams.


    Thanks
    __________________________________________________ ______________
    Hi,

    We configured lync to connect to avaya telephone system; Lync can call direct phone lines but fails when we call a trunkline and prompted by connecting option when calling:

    Press 1 for HR
    Press 2 for Finance
    Press 3 for IT
    Press 0 for Operator assistance


    We use the dial pad in Lync 2010 client but it doesn't work.

    Any known issue?
    Setting to configure?
    tnx

    __________________________________________________


    You have an issue with DTMF (Dial-Tone Multi Frequency) not getting correctly encoded through SIP and to the Lync server. You need to configure the Avaya system (or a gateway in between) to use RFC 2833 based DTMF signaling.
    In this technet blog around DTMF issues with Cisco CUCM they describe a similar issue and show how they are troubleshooting it.

    __________________________________________________ _

    thanks ruben..

    any useful link on how to configure DTMF signalling for avaya?

    __________________________________________________ ___


    You're welcome.
    This is a Microsoft Lync forum so the chances are slim that you'll find someone here that can help you with Avaya configuration. I would recommend to contact your PBX partner for questions like these.
  • scooter133
    Member
    • Mar 2011
    • 6

    #2
    In the SIP Line, under the VoIP Tab, there is the DTMF Support option. The Default is RFC2833.

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