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W90DM annoying hum , crackles during call
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reed Offline
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Post: #1
W90DM annoying hum , crackles during call
Hello,

Please forgive me if it is in wrong place, but i can't see - dedicated subforum for W90DM.
I got a problem with Yealink W90DM 130.85.0.15 (3 bases) and over 50 W53H handset.
Sometimes during a call you can hear very loud and annoying sound (Can't attached file to this post, and also provide link to this file.). Before playing make sure your headphones or speakers are adjusted to low volume. Codec used when establishing call is PCMU / PCMA. Network connection OK, without drops.

Do you have any idea what it might be? How I can fix it.
(This post was last modified: 06-17-2022 05:27 PM by reed.)
06-17-2022 05:20 PM
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reed Offline
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RE: W90DM annoying hum , crackles during call
I've added on my personal page - a sound file which describe problem : https://etucholski.com/uploads/hum.wav
06-23-2022 04:40 PM
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markvdheijden Offline
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RE: W90DM annoying hum , crackles during call
(06-23-2022 04:40 PM)reed Wrote:  I've added on my personal page - a sound file which describe problem : https://etucholski.com/uploads/hum.wav

It could be some external interference, what kind of enviroment is it? This kind of behaviour can also be triggered by a reflective enviroment.
06-23-2022 05:56 PM
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reed Offline
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RE: W90DM annoying hum , crackles during call
Quote:what kind of enviroment is it?

What you mean? Frankly speaking I don't know. This phones has been used by our client in his car showroom. Nothing special I quess.
06-23-2022 09:23 PM
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