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Issues with T58V + EHS40
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complex1 Offline
3CX Adv. Cert. Engineer

Posts: 1,392
Joined: Jan 2014
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Post: #2
RE: Issues with T58V + EHS40
(02-21-2020 02:50 PM)ingoo Wrote:  Hello,

we do have issues with T58V phones in combination with DECT Headsets from Sennheiser (OfficePro1 and SDW series) using your EHS40 connector in a 3CX environment. All our phones do have the sidecar EXP50 attached.

After a few seconds of a call the microphone generates distortion sounds only.

We tested the latest 3CX firmware as well as the latest T58V firmware from your side with no success.

We are running out of ideas how to solve this. Any advice?


Hi Ingo,

Please try next:
Use the phone handset, not the DECT headset...
If this does not help then:
Switch off (remove power) from phone, EHS40 and Sennheiser (if possible) then wait a few minutes and power up again.

Kind regards,

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.
02-21-2020 07:04 PM
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Messages In This Thread
Issues with T58V + EHS40 - ingoo - 02-21-2020, 02:50 PM
RE: Issues with T58V + EHS40 - complex1 - 02-21-2020 07:04 PM
RE: Issues with T58V + EHS40 - ingoo - 02-24-2020, 11:17 AM
RE: Issues with T58V + EHS40 - Bennie74 - 03-24-2020, 04:12 AM
RE: Issues with T58V + EHS40 - ingoo - 04-08-2020, 02:18 PM
RE: Issues with T58V + EHS40 - chrischevy - 11-25-2021, 11:13 PM

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