problems with modem relay over IP - Zyxel Omni 56k Mini modem

Discussion in 'VOIP' started by Sani Rus, Nov 8, 2007.

  1. Sani Rus

    Sani Rus Guest

    Hello group,

    Zyxel Omni 56k Mini modem give us big problems when we want to establish
    modem connection over the IP network beetwen two modems of this type. We set
    all relevant VoIP parameters accordingly (G.711, jitter, echo canceller,
    VAD) but still we have problems in establishing connections between two
    modems. With other modem types everything works OK.

    Are you aware of any VoIP related problems with this modem type e.g. bad
    resiliency to additional delay? Are you aware of any modem setting for this
    modem type which might helps when establishing connections over the IP
    network?
    Regards,

    Sani
     
    Sani Rus, Nov 8, 2007
    #1
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  2. Hi

    as I know, there are only t.38 protocol for fax. For modem, it can't
    work on voip.

    Leon

    Email:
     
    liuzhaoyongxx, Nov 12, 2007
    #2
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