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  1. PhoneProneEchos

    Microphone Feedback Problem

    No its not the group listen feature...could this be indicative of a tapped line?!?!
  2. PhoneProneEchos

    Microphone Feedback Problem

    I am not sure if it is a problem with the extension port or not but I do know that when the user hangs up via the release button they are stil getting the feedback from the microphone and the handset is plugged into the correct port. Could this be a jack problem since I tried other phones and...
  3. PhoneProneEchos

    Microphone Feedback Problem

    I am at a loss for a solution. The Norstar system has 4 lines per Phone. One of the phone's upon hanging up any of the lines after either answering or making a call there is feedback coming from the speaker. The solution I noticed is to hit the hands free mute button twice to turn off the...

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