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Recent content by motomnt

  1. motomnt

    Line Squeal

    The first sounds you hear are the Ali, ANI, and caller ID. The squeal happens as soon as the phone goes off-hook. Here's what we have done so far: 1. Relocated the lines to a different gateway. 2. Added 600-ohm resistors. 3. Swapped out gateways three times. 4. Added attenuators to the lines...
  2. motomnt

    Line Squeal

    I have a 911 center that as soon as they pick up the phone on the admin line they get a 1 to 2 sec squeal. They are currently using POTS lines. We are figuring the voltage coming in on the line is to hot and when the customer goes off-hook it is shorting and causing the squeal. We have done the...

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