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Modem connection using VOIP line

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  • #30773 Reply
    patsy
    Guest

    I am trying to get a piece of equipment that uses a modem (dial up )to connect using a VOIP line. Unfortunaley this will not work. Is there something that needs to be put between the modem and the telephone socket ( hardware ) or is this a software issue.

    Thanks

    #30774 Reply
    MikeM to Patsy
    Guest

    Patsy,

    Depends on the VoIP gateway. Many may not support modem over IP as it is somewhat redundant and uses a lot of bandwidth since you cannot compress the modem signal.

    #30775 Reply
    Guest
    Guest

    There is a kind of modem router.It works like cable modem or ADSL modem.

    In 56K, you can transfer 1-3 channel G.723.1 or 1-2 channel G.729 voice.

    The troube is if you could get real IP from your ISP or NAS server.

    #30776 Reply
    Guest
    Guest

    Sorry to mess up.

    Modem over IP is really hard.

    Try RAD Kilomux TDM over IP, if needed. it is only US 105 on ebay.

    #30777 Reply
    MikeM
    Guest

    Again, keep in mind that you will not be saving any bandwidth doing modem over IP (MoIP). Since modems, by their nature, compress the data from your PC, doing MoIP will not compress. Therefore, if you do find a device to do MoIP reliably, you will be using about 56kb each way of bandwidth each way. Not a savings in bandwidth and you may want to reconsider this.

Viewing 5 posts - 1 through 5 (of 5 total)
Reply To: Modem connection using VOIP line
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