Question about Nortel Meridian M7208 Corded Phone

1 Answer

1 of four extensions is intermittently dead. Where do I start looking to fix the problem?

I have switched units around and the unit is working, the extension is on in the morning but at some point in the day it dies.

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  • Tiny Telecom
    Tiny Telecom Jan 24, 2017

    How is the telephone wired- Is it through (cat5) computer cabling or normal telephone wire? And is the wire run internally or externally to the building.

    As mentioned by Brad, it could be due to something else on the same port such as a fax or credit card machine.
    Have you had any work done on your system recently such as new extensions or devices?

  • Fred Fisher
    Fred Fisher Jan 24, 2017

    The unit is wired with standard telephone wire. I have tried to open the box to where the wire goes into the box to check the connection but can not get it open. The deskset works when plugged into another extension

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  • Nortel Master
  • 18,060 Answers

This is interesting. You need to consider things that change during the day. There is a demark point that the phone system connects to. This point may be in a closet etc. What environmental changes are happening near that point> Temperature, humidity, other devices coming on that send out interference etc.

Posted on Jan 20, 2017

Testimonial: "The extension is in the same room as two other units. I have tried to open the box on the wall to check the connection but can not get it open."

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Posted on Jan 02, 2017

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