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Joined: Oct 2007
Posts: 17
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Joined: Oct 2007
Posts: 17 |
We have been working on a problem for a few weeks now dealing with phones making crackling noises. They will crack and then sometimes disconnect the call. Other than moisture in the lines and connections being bad what else could make this system do this?any ideas? NEC DS 2000
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Joined: Feb 2008
Posts: 316
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Posts: 316 |
A couple of basic questions.... Is the phone system grounded? Is the noise happening on extension to extension calls? Is it affecting all of the outside lines going into the system? Is it affecting 1 line? Do you have any lightning protection on the lines? Is the system on some kind of UPS?
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Joined: Jan 2004
Posts: 6,648
RIP Moderator-Nisuko-Tie, General
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RIP Moderator-Nisuko-Tie, General
Joined: Jan 2004
Posts: 6,648 |
when the calls drop; do the phones go dead for a short period or does the call drop but all lights ect are still on
have you been on site and duplicated or are you taking the customers word for whats happening ?
Skip
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Serving SW and West central Fl since 1984
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Joined: Feb 2007
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Are those lines POTS or T1?
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Joined: Apr 2007
Posts: 1,439
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Joined: Apr 2007
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Originally posted by vad60:
Are those lines POTS or T1? I was thinking the same thing... bad clock source on t1 or PRI? D
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Joined: Jul 2008
Posts: 3
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Joined: Jul 2008
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We have a 8 person conference bridge installed and recently when users call in they get a lot of crackling and echo making it impossible to communicate. Internaly the bridge is clear.
I am not a Phone expert, any ideas on what I can check. I have asked our phone vendor to check the T1, Reset the NEC so far
AP
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Joined: Feb 2008
Posts: 316
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Joined: Feb 2008
Posts: 316 |
So let me get this right if you fill all 8 with extensions there is no crackling noise? Is there any noise on regular calls to outside the company?
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