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04-30-2022 04:32 AM
I have a strange issue with a new Voyager Focus UC headset. We're using them in the company and they work fine, so I've ordered one for my home office use.
Unfortunately this one has a strange issue: When connected to a phone via Bluetooth, the BT connection is dropping around 2-3 seconds after the call is established.
- I dial a number
- The BT connection is established and I hear the ringing tone once. After around 2 seconds BT drops and the audio is gone or jumps to a different source.
That's happening in 90% of all calls.
I've tried this with 3 different phones, IOS and Android based. It's the same with all phones.
I've reset the Headset with Plantronics Hub, repaired it several times, the issue still persists.
Firmware is v.711, which is the same my headset in the office is running (which does not have the issue).
05-03-2022 01:49 PM
the replacement arrived today, same issue. I've spent some couple of hours in more investigations and I think I found the issue.
1.5m away from me is one of my WiFi access points (UniFi UAP-AC-LR). I've throttled its 2.4G TX power down to 18 dBm and the issue seems to be gone.
On the downside: The Focus UC is the only headset which is getting disturbed by the nearby AP. Both headsets showing the same issue, so it seems to be a systematical issue. Maybe receiver selectivity?
My Airpods, two cheap Chinese "Happyset" headsets ... all working fine in the proximity of the WiFi AP. Except the Plantronics ...
Do you have any comments?
05-03-2022 11:42 PM
Could you please check if your PC has Intel® Smart Sound Technology for USB audio installed?
- Click “Start” > type Device Manager and click open
- From Device Manager, pop-up expand “Sound, Video and Game Controllers”
- Select Intel® Smart Sound Technology for USB Audio
From the Intel® Smart Sound Technology for USB Audio pop-up window select the “Driver” Tab
- Click on “Disable Device”
After disabling Intel® Smart Sound Technology for USB Audio, restart your PC and then try & reproduce the issue.
05-04-2022 12:58 AM
I don't have Intel Smart Sound Technology on the PC's:
The issue is also always with the second, "native" Bluetooth connection to a phone. Regardless if it's an Android phone or an iPhone.
You start a call, you hear the first 2-3 seconds audio and then the BT connection drops. The phone drops back to the default audio device.
You can get the call back when you reselect the "PLT Focus" audio device, and after that second attempt it seems to be pretty stable (until the next call).
No issues with the PC connection via Dongle.
But as we're mostly using the phone connection, it's a big problem!
I've reproduced the same with three(!) headsets in different locations. Nothing to do with my Accesspoint. Firmware issue with 711? Shall I open a support ticket?
12-27-2022 04:03 PM
I'm having the same issue with my headset (recently purchased). I'm just wondering, did you have any luck with a support ticket? Before I spend the time with support, if it doesn't look like it's going to work anyways then I'll just return for a different headset. How was your experience?