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T40G - Echo problem
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complex1 Offline
3CX Adv. Cert. Engineer
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Post: #2
RE: T40G - Echo problem
(06-21-2019 10:28 AM)matts_luminet Wrote:  Hello,

We are having an issue with some T40Gs where people calling the phone in question will hear echo of their own voice. It is not happening with every T40 that we installed in this particular place, only with a select few.

The phone is running on firmware 76.84.0.35 on 3CX v16.

The only solution I found is to turn down the handset receive volume on the phone in question so that callers can not hear their own voice when speaking. This is happening with both internal and external calls.

Please find an export of it's config.bin and .cfg attached.

Hi,

Please make sure the PBX, phone and provider are using the same codec, preferable the G711 codec.
If this does not help than reset the phone to factory default, re-provisioning and try again.

Hope this will help.

Kind regards,
Frank.

I am not an employee of Yealink.
Dutch is my native language, not English. Apologies for my imperfect grammar.
Please do not send unsolicited PM messages. I will not answer them.
06-21-2019 09:10 PM
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Messages In This Thread
T40G - Echo problem - matts_luminet - 06-21-2019, 10:28 AM
RE: T40G - Echo problem - complex1 - 06-21-2019 09:10 PM
RE: T40G - Echo problem - matts_luminet - 06-21-2019, 10:20 PM
RE: T40G - Echo problem - complex1 - 06-22-2019, 07:25 AM

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