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Phones do not light up or work? - AT&T Cell Phones

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Hello and thank you for posting on Fixya. My name is Silvermoon and I am going to try to help you in the best possible manner. We are all here to help you but in order for us to be effective we will need all the info that you can give us.

Info we will need to be able to help you out:

1. Manufacture

2. Model

3. Year of manufacture

4. What it is doing or not doing

5. What you have tried so far

With this information we will be able to find you the best solution possible.

Posted on Mar 20, 2011


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Since an Analog Pana phone uses two pairs, swap phones completely with someone else. If the phone you had works somewhere else and the phone you borrowed does not, it's a wiring issue.
The phones light up because the data to make the display and lights travel on the second (black/yellor or orange) pairs of the jack (pins 2&5). The voice is on the first (pins 3&4) pair.
If the phone is bad, it's bad, but I'm guessing your missing a wire on the red or green lead of the phone jack, either from a bad base cord, or a bad jack.


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I have 6 of these phones. No problem for a year or so, then one phone got the message light stuck on. Tried some online suggestions without success. Powering down etc. failed to fix it so I stuck a piece of tape over the led.

A couple of weeks ago line 2 failed (externally) and ATT sent a tech out who repaired it and also cleaned up the line. When the line came back, all 6 phones had the message light stuck on!

Talked with the tech here and with the ATT support and nothing worked. Eventually the tech here left as it was not a line fault - but he said he would leave the problem open.

That evening a young ATT guy called. He tried a number of different settings and changes - he was really determined! He called Kentucky and Minnesota and part of the advice was "give up and don't call the customer back"!

Finally he found a configuration option in the central office switch (exchange) for the line called CWMI (Call Waiting Message Indicator). Apparently this option was originally active but was changed when the local trunk was upgraded to fibre over the last year or so.

Once he enabled this option (we have call waiting and caller ID on call waiting on this line), the message lights on all the phones turned off and have worked normally since (10 days), including the one that was "broken" for over a year!

I really credit the tech with persistance on the issue.

Hope this helps someone else out there.

Regards, Hugh

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Forgrt it! Our problem is the flashing blue light works and keeps us awake making it necessary to hide the phones in drawers! We can't turn off the flashing blue lights and can't find an answer to this problem.

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