Backgound noise along with Dial tone

Unanswered Question
May 15th, 2009

Hi All,

I am running Call Manager version 6.1(2) with some 5000 IP Phones registered to this. All the endpoints are 7940 phones.

Whenever I pickup a receiver, along with the dial tone , I am getting a background noise also. If the volume of the phone is increased, it gets worse. This happend only for the dial tone. When users start pressing the digits, this noise doesn't exist. And this happens for almost 50% of the phones.

I have some IP communicators also. But these phones doesn't have any problem.

Has anybody come across the same problem.

Thanks,

Manu

I have this problem too.
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hadbou Thu, 05/21/2009 - 08:09

Verify the phones are placed in same location which getting noise. I feel if all the phones are in same location then it seems to be Switch to PoE problem. Please ensure the PoE and the Power adapter.

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