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Problems with bluetooth audio
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complex1 Offline
3CX Adv. Cert. Engineer

Posts: 1,488
Joined: Jan 2014
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Post: #2
RE: Problems with bluetooth audio
(08-27-2020 07:20 PM)ccwtech Wrote:  I have a T46S FW The bluetooth headsets I have tried have had periodic issues where sometimes I can't hear the caller and sometimes I can hear them but they can't hear me.

I tried these ( https://smile.amazon.com/gp/product/B083...UTF8&psc=1 )and they worked great for a while and then stopped working. I exchanged them for a brand new pair and same issues.

I tried these: https://smile.amazon.com/gp/product/B088...UTF8&psc=1 and had the same issue.

This is the USB adapter I'm using: https://smile.amazon.com/gp/product/B07R...UTF8&psc=1

I'm not sure what broke. I had used the first set for months w/o issue. I don't recall when (or why) I upgraded to the latest firmware so I'm not sure if that is when it started or not. Any issues with this Firmware?

Hi Allen,

I suppose the USB adapter you use is the Yealink Bluetooth USB Dongle BT41.
Both headsets use the Bluetooth spec V5.0 but I can't find any info on Amazon if the headsets can also work with BT V4.1
I guess and it looks like, there is a misconfig in BT versions between dongle and headset(s).

BTW. Did you reset the phone to factory default after upgrading the firmware?

Kind regards,

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08-27-2020 08:10 PM
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Messages In This Thread
Problems with bluetooth audio - ccwtech - 08-27-2020, 07:20 PM
RE: Problems with bluetooth audio - complex1 - 08-27-2020 08:10 PM

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