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Curious about Ooma Caller ID on output

Discussion in 'Electronic Repair' started by Peabody, Feb 10, 2013.

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  1. Peabody

    Peabody Guest

    Ok, not exactly "repair" but someone here may know.

    I currently have an AT&T land line, and long ago I built a Caller
    ID demodulator using the MC145447 single-chip solution (no longer
    made), which in turn is plugged into an old Commodore computer
    which I have programmed to audibly announce the calling name
    and number throughout the house via intercom. Very convenient.

    The incoming CID packet is in Bell 202 format, which is simple 1200
    baud 8/N/1 FSK modulation. The demodulator does just that, but
    does not transmit any kind of ACK back to Ma Bell. The CID packets
    follow a specific format, with checksum, etc.

    So I'm tired of being raped by AT&T on the land line, and am
    looking at Ooma. But of course I want the Ooma Telo to transmit
    standard Bell 202 CID packets on its output between the first and
    second rings, just like Ma Bell does, so my CID announcer will
    still work.

    My first assumption would be that it does exactly that - otherwise
    Caller ID would not work on any phone (including a cordless base
    station) that's plugged into the Ooma. But I just want to be sure
    before I shell out the bucks for the Ooma.

    Can anyone here clarify this for me?
  2. David

    David Guest

    I have a Panasonic cordless base station plugged into an OOMA box and the
    caller ID displays correctly.
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