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Thread: No sound with QCM

  1. #1

    Unhappy No sound with QCM

    I installed QCM 4.1.12 on a Windows Vista Ultimate. The laptop has no audio problems. Other softphones have audio when I dial out.
    There is no way to specify which audio drivers to use.
    I disabled UAC in Windows Vista
    Please help me.
    Last edited by internet; 08-14-2009 at 03:36 PM.

  2. #2


    I am having the same issues. Any thoughts would be welcome

  3. #3


    Just a thought:
    Free QCM does not support G729, please check codecs. If only G729 is enabled and there is no QCM license you will hear nothing.

  4. #4
    Quadro Architect
    Join Date
    Jun 2006
    Around myself


    Except that - there was some problem with QCM on Vista, which was fixed in 4.1.18. Not sure if this is the same problem you had. QCM 4.1.18 is not released yet (as far as I know, it doesn't containg any major feature, only bugfixes).

    If you check what Vahan is suggesting, and it still doesn't work, write me a PM with your email address - I will send you the QCM 4.1.18 to test.

    Best regards,

  5. #5

    Default No sound of conversation with QCM


    I have the same problem with QCM 4.1.12 on my HP Laptop Pavilion dv7 running Vista Ultimate. The QCM rings when called. But when QCM answers the call, no sound. If I call out from the QCM, no sound at the called phone.
    PCMU codec is enabled and preferred. It is a free QCM. I have submitted a trouble ticket via TSS. I have think that the audio drivers are not picked up by the QCM.
    Please help.

  6. #6
    Quadro Architect
    Join Date
    Jun 2006
    Around myself


    The QCM 4.1.18 is published now...

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