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imon32red · 07-21-2016 05:49 AM

We installed about 120 T19's in our hotel a little over a year ago. Two of them are constantly being unplugged. Today one of our techs noticed that these two phones make a humming noise. He tried plugging the phones into a different room and had the same problem.

Has anyone had this issue before? I am hoping that we don't have to buy 2 more phones.

We have installed several hundred T21's in our other hotels with no issues. With the T19's I think we have lost about 10% at this one site already before these 2 phones.

mbello · 08-24-2016 06:49 AM

First, find out if the issue is with the phone or the handpiece/handset.

If you find that the handpiece is the problem, check this thread, may be related with with issue you are experiencing:
http://forum.yealink.com/forum/showthread.php?tid=1272

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