Bluetooth calls problem - Samsung Galaxy S20 / S20+ / S20 Ultra Questions &

Having a strange problem on my S20U Exynos. I'm connected to my Sony Bluetooth head unit in my car and anytime I answer a call it's just silence. I can't hear anything. But if I make a call then everything works perfectly. Any thoughts on how to fix the incoming call issue? It's getting annoying having to turn off Bluetooth when I answer the phone.

Have this problem with my 2013 Infiniti but both making and answering calls. Suspect its a bluetooth codec issue and maybe changing that in developer settings helps, but haven't had time to play around.

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[Q] Strange problem with call audio... silent speaker

Hi guys, hope you can help with an odd problem...
Very, very occasionally (maybe 1 in 50 calls) I get an issue where I can't hear the other party, as if the earpiece was dead. If I drop the call and re-dial, 99% of the time everything is fine. (I think I had one time in 6 months where the 2nd call did the same.)
Now, I can't decide if this is a network issue (Vodafone) or a phone issue. I mostly use a Bluetooth headset due to the size of the Note but I doubt it's headset related as I have tried two different high end brands and it happens with either.
Things I have noticed:
Problem applies to incoming AND outgoing calls
I have checked I haven't accidently muted the call
My Bluetooth headsets all chime at the start of a call but there is no call audio
The other party can hear me but I can't hear them
System sounds are all fine, only call audio is affected
Switching between headset, phone and speaker phone make no difference
Applies to all incoming call audio, including ringing tones and busy tones
I reboot my phone sometimes but as the issue is rare I couldn't say if it makes a difference. Also this is a standard Note II (not a branded Vodafone one) with all the latest patches downloaded. Looking through my app downloads I can't see any obvious ones that might affect the phone. Apart from the stock Samsung apps I most connect to CCTV systems. I have CSipSimple but I haven't used it in ages.
Any suggestions on how to investigate this further?
Regards,
Andy
Seriously... no ideas?
So, no one's ever had this problem and no one has any ideas?!
:crying:

[Q] no audio when making phone calls over BT connection

I recently bought a BT car speakerphone and tried to place a call using my Xperia ZL (on 4.2.2). The call goes thru but I cannot hear anything from the speaker. I can hear sound if I play music but nothing if I make a phone call. I checked with my wife’s ZL (on 4.3) and the BT speaker works fine.
I tried my phone with another BT speaker and still no go for voice calls. Music is fine though. I believe there is an issue with the phone calls over the BT connection.
Anybody else experienced this issue? Any possible fix? I hate to send it back to Sony. Thanks

Bluetooth headset answers and drops call

Anyone have isssues with their bluetooth headset ?
I have a Plantronics m70 and a m165 and if there is an incoming call, and i press the headset button to answer, both headsets will answer and drop the call right away...
Is there a setting or soemthing that I missed?
Update: I've tried with a samsung bluetooth device and it does the same thing. Also whats weird now is that when I have the Samsung bluetooth connected and I tap on the screen to answer the call, it answers and drops the call.
Can anyone help ?
Something similar just happened in the car a few minutes ago. Add that to my bluetooth problems.
w7excursion said:
Something similar just happened in the car a few minutes ago. Add that to my bluetooth problems.
Click to expand...
Click to collapse
Yeah. It's annoying.
I cannot answer a call while on a Bluetooth headset. I have to deny the fall and call them back.
I tried with a Motorola bluetooth headset today and same thing.
I've done some more testing and noticed that with calls from landlines, the calls don't get answered and dropped. It gets answered normally.
I should add that I am rooted and running the ROM from tx_dbs_tx.
I have the same issue with rooted stock rom as well.

Bluetooth drops to handset volume on incoming calls while on a call.

I'm currently using an LG G3 Vs985 on Sky Dragon 5.0
I'm also using T-mobile on the LG G3
I use my phone for work a lot and the most annoying thing is happening. While I am using my bluetooth headset and talking on a call, if somebody tries to call me and my screen is telling to either accept or deny the incoming call, my bluetooth speaker drops to handset volume. I have to deny the incoming call, then quickly tap to turn off bluetooth and bluetooth again to get the call back to my bluetooth.
While already on a a call if somebody is talking to me while an incoming call comes in, I miss an entire sentance or two before i can do all of the above to get the audio back to bluetooth.
Is this a wrong setting I have on the phone or simply a bug with either Lollipop or Skydraggon?
"Edit" I got so annoyed I went to my wired headphones and I noticed the issue is not happening on my headphones. I didn't expect to happen but i wanted to note that the audio does not drop to handset speaker while using wired headset.
I appreciate the help.
I wanted to update the post that either it was a phone reboot or possibly of me flashing the Skydragon 4.2 kernal to the phone that fixed the issue. So far as of right now the audio is not dropping when talking or listening on an active call with another incoming call requesting to be accepted or denied.
Edit: The issue has returned. This is goofy !! lol

No audio of ringing when dialing out using bluetooth

I've been having this issue when I try dialing out with bluetooth enabled and routing to my car or bluetooth headset, that the ringing on the other end does not play. It is just silence until someone picks up and says hello. This is really strange and I'm pretty sure not supposed to be like this. Is there any app or process that when disabled could cause this? I am the latest stock version on T Mobile 2.51.531.3. Anyone else have this issue?

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