Call connected - no sound in bluetooth headset or android auto - OnePlus 3T Questions & Answers

Hi all,
I was wondering if somebody could help me with my 3T.
I've noticed that when I use my bluetooth headset or when connected to the car, no sound is there when trying to make calls or receive calls. The call appears but when i answer no sound.
However, media audio works perfectly fine. Phone audio and media audio are both selected in the paired bluetooth settings.
I thought there must be something wrong with the rom I was using which was omni. I have reflashed OOS 5.0.1 but I have the same problem.
I started using Android auto in the car hoping call sound would come through as it is connected by usb. The same issue occurs. Media audio is fine. No call sound.
I have tried unpairing and pairing bluetooth devices to see if this works. Also uninstalled android auto and reinstalled.
I have tried a Galaxy S9 with android auto and the Bluetooth devices to see if the problem occurred on the S9 but everything worked perfectly.
Anyone come across this before?

Solution?
fc_Kuro said:
Hi all,
I was wondering if somebody could help me with my 3T.
I've noticed that when I use my bluetooth headset or when connected to the car, no sound is there when trying to make calls or receive calls. The call appears but when i answer no sound.
However, media audio works perfectly fine. Phone audio and media audio are both selected in the paired bluetooth settings.
I thought there must be something wrong with the rom I was using which was omni. I have reflashed OOS 5.0.1 but I have the same problem.
I started using Android auto in the car hoping call sound would come through as it is connected by usb. The same issue occurs. Media audio is fine. No call sound.
I have tried unpairing and pairing bluetooth devices to see if this works. Also uninstalled android auto and reinstalled.
I have tried a Galaxy S9 with android auto and the Bluetooth devices to see if the problem occurred on the S9 but everything worked perfectly.
Anyone come across this before?
Click to expand...
Click to collapse
have you solved your problem? you have found a solution

Having the Same problem with my one since 5.0.8 try everything i.e changing rom going back to stock even older version of android but no luck.

I had no mic during the call with wireless bullets. I think it was solved it by changing bluetooth settings in degveloper options.
bluetooth audio mode to mono, codec - SBC and other bitrates and enabled absolute volume .
Or you just have low volume in the call, which can be increased only during the call :laugh:

Related

[Q] Stream ALL audio through bluetooth headset

I recently purchased a Sony bluetooth PS3 headset which also pairs fine with my Note. Calls are working great but the headset doesn't support the streaming of any other sounds apparently.
There're a few apps (BTMono and Mono Bluetooth Router for example) that are supposed to 'fix' this issue but they don't work on my Note. I'm using Slimrom 4.2.2 build 8. I don't get any error messages from the apps, they seem to activate correctly but no audio is being played through the headset.
Does anyone have an idea on how to fix this? I would just like to hear my gps navigation through my bluetooth because I have a very loud car and can't hear the nav when my phone is mounted on my dashboard.
Thanks in advance.
I've had a similar issue with a bluetooth headset at work - I imagine fixing this would involve diverting TTS/Music/whatever audio stream to the phone call audio stream. I've tried looking at Tasker, and frustratingly you can tell it to play a single file over the call stream, but can't set a perminant "divert notifications to call" or similar setting. Not as far as i can see.

[Q] Phone calls routed to internal speaker on wired or bluetooth headset.

Hi everybody. I have just got my new HTC One and I am really loving it. But I seem to have run into a major problem which I couldn't solve despite trying everything. Whenever I receive or dial a phone call while using a wired headset or bluetooth headset, I can hear the sound in the headset for a couple of seconds but then the call is routed by default to the internal speakers and mic. All this while the phone shows that the output is going to the headset. If I change it to the internal speaker and back again to the headset (wired or bluetooth), everything works normally and I can talk and hear through the headset. This problem only occurs with phone calls and I am able to listen to the music through headsets normally without any sound quality issue. I have searched on various internet forums but all in vain. A few more people were having this problem but no solution was in sight. I thought may be an upgrade would solve this problem but alas even after upgrading to the latest 4.3 update, the problems remains. Hope somebody here can help me with this problem.

Bluetooth call issues

I am having issues when I am connecting my k20 pro with my car's Bluetooth for answering phone calls. The Bluetooth gets connected and music plays using Bluetooth without any issues, but the call volume output doesn't come from the Bluetooth. Has anyone else face this issue?
Anand_theGeek said:
I am having issues when I am connecting my k20 pro with my car's Bluetooth for answering phone calls. The Bluetooth gets connected and music plays using Bluetooth without any issues, but the call volume output doesn't come from the Bluetooth. Has anyone else face this issue?
Click to expand...
Click to collapse
Have you installed a custom ROM, or are you on official MIUI?
I know in call Bluetooth audio doesn't work on GSI ROMs.
I am on official miui rom
Robbo.5000 said:
Have you installed a custom ROM, or are you on official MIUI?
I know in call Bluetooth audio doesn't work on GSI ROMs.
Click to expand...
Click to collapse
I am in official miui rom
Anand_theGeek said:
I am in official miui rom
Click to expand...
Click to collapse
I've not seen anyone else complain of this on official MIUI. Have you tried other Bluetooth devices like headsets?
I never stuck with MIUI long enough to try Bluetooth, so there's not much I can suggest.
Robbo.5000 said:
I've not seen anyone else complain of this on official MIUI. Have you tried other Bluetooth devices like headsets?
I never stuck with MIUI long enough to try Bluetooth, so there's not much I can suggest.
Click to expand...
Click to collapse
I haven't tried with any other blue tooth device yet. Let me try it out.
Bluetooth sound breaks continuously while playing audio in car
When i connect my k20 pro using Bluetooth to my car audio, the music breaks continuously, i have tried with other phones but the problem is only seen in this k20 pro, i tried it in another car audio system same problem
I have also the same issue... Problem is with K20 pro.... Reset 2 times but still the problem is not resolved... Most annoying thing that Mi service center can do only Hard Reset as first and last solution...
I have no issues with the audio, issue happened only with the call functions. I suspect it to be a compatibility issue with my car. Since k20 pro has Bluetooth 5g, however my car doesn't have this.
Anand_theGeek said:
I have no issues with the audio, issue happened only with the call functions. I suspect it to be a compatibility issue with my car. Since k20 pro has Bluetooth 5g, however my car doesn't have this.
Click to expand...
Click to collapse
Bluetooth is backward compatible. Like if you have a capable device, it will use all the features the host supports.
One tip: If you go into Developer Settings on your phone, you can hard-set the Bluetooth settings.
Hi I am starting to notice issue on my k20pro on calls .after call is getting connected I can hear the other person but the other person cannot hear me sometime when I connect the headphone people can hear me sometime they don't..I dnt understand where is the problem
Pratz90 said:
Hi I am starting to notice issue on my k20pro on calls .after call is getting connected I can hear the other person but the other person cannot hear me sometime when I connect the headphone people can hear me sometime they don't..I dnt understand where is the problem
Click to expand...
Click to collapse
Is the issue reported by you above connected to the Bluetooth issue of this thread?
Anand_theGeek said:
I am having issues when I am connecting my k20 pro with my car's Bluetooth for answering phone calls. The Bluetooth gets connected and music plays using Bluetooth without any issues, but the call volume output doesn't come from the Bluetooth. Has anyone else face this issue?
Click to expand...
Click to collapse
I'm having the same issue, the audio comes from the loud speaker of the phone.
On the screen on the phone you can see that the audio is connected to the car Bluetooth, you can then select loudspeaker or normal audio , if you swap the audio to a different channel and then revert back to the car Bluetooth it is connecting correctly to the Bluetooth
I am having the same issue
I have redmi k20... Over Bluetooth music is fine, but over call the person can't hear you...
I tried everything.... Restarting my phone, pair unpair Bluetooth, even hard reset my phone... It started working for 2 calls after hard reset but it is again causing problrms
same problem here.
when I connect my K20 to my car via BT, music breaks after 2-3 songs, and car controls (next song/previous song) stop working.
also, when I connect my BT Bose headphones, sometimes sound does not come through (mic works)
anyone found a solution?
drupeyyy said:
same problem here.
when I connect my K20 to my car via BT, music breaks after 2-3 songs, and car controls (next song/previous song) stop working.
also, when I connect my BT Bose headphones, sometimes sound does not come through (mic works)
anyone found a solution?
Click to expand...
Click to collapse
That sounds more like a battery optimization issue. Try turning off battery optimization AND set App battery saver to "no restrictions" for your music player.
I had the same issue with Xiaomi Redmi 9
Hard reset solved it.

[HELP] Can't hear phone calls on bluetooth

Hello,
As title says suddenly I can't hear anything through my car BT (Audi) or BT headphones. It was working fine till around a week ago.
I can hear media\music just fine (for example Spotify) in both headphones and car speakers.
Bluetooth is connected correctly as usual, but I can't hear people in calls and they can't hear me too.
In car I can normally start a call with steering wheel buttons, just I don't hear anything. If I change audio output on phone to speaker or phone I ear them, if I rechange to BT silent again.
I tried another phone in my car and it's working fine.
I tried my phone in another car and same problem occurs, so it's some setting in my phone (even if I don't remember changing anything since it was working).
I'm on stock OOS 9.0.5 + Magisk.
Things I've tried by googling A LOT of forums:
1) Resetting network\BT data from Settings>Reset
2) Clearing storage and cache for the Bluetooth system app
3) Manually deleting paired devices from both my car and my phone and re-add them.
4) Played with the BT audio codec\bitrate\version\etc options in developers menu without luck.
5) Tried disabling google now, ok google feature.
6) Tried disabling device discovery for Bluetooth.
Things I take as last chance: changing kernel, clean flash.
Any suggestions?

Bluetooth headphones not working for calls

Purchased Xiaomi Note 9 (not pro or any other varient) which is running the MIUI 12 (12.0.3 stable global version). I immediately encountered an issue with the Bluetooth: I own a Sennheiser PXC 550 (original first version) headset. it connects and plays music and audio without issues until I try to make a call. when I try to call I get the following behavior: when the active noise cancelation is off' the call screen displays the audio source on the call screen as the Bluetooth but no sound or mic comes through. when the noise cancelation is set to active on the headset, the call screen shows the phone rapidly switching between audio sources from the speaker back to the headset. sometimes something goes wrong and the headset stops playing audio after the call and won't play youtube videos until I turn off the headset. I suspect its a software issue. maybe has something to do with how the phone connects to the headset mic or interacts with it. the headset is working with my older Mi Mix 2, Mi 9 (running MIUI 12.0.2), other phones, and devices including smart TVs, etc. other headsets do work.
Things I tried: enabling developer options and changing
1) A2DP to off
2) changing the AVRCP settings
3) rebooting
4) updating the firmware from 11 to 12 (automatically)
5) factory reset
6) Bluetooth cash wipe
7) connection data wipe and reset
8) other call apps
9) changing other Bluetooth settings like codecs etc
10) the problem still excited before the update from MIUI 11 to 12
11) I did make sure that in Bluetooth settings the options to control calls and media were turned on and all permissions granted.
Note, the phone wont allow to turn off A2DP hardware acceleration. the slider jumps back to on and prompts a restart.
talking to Xiaomi support didn't solve the issue. sometimes the headset loses media controls like forword' pause etc.
any ideashow to solve the issue?
Does it works with another Bluetooth Headphones?
Im having probs with my bluetooth... have u find a solution Titan?
nickelgr said:
Im having probs with my bluetooth... have u find a solution Titan?
Click to expand...
Click to collapse
unfortunately no, it seems it has something to do with the hardware. i have another set of headphones Jabra 65T and they do work. also the original pair works (PXC 550) but only for media controls and even then sometimes youtube won't respond. the only way I see ut of this is to change the phone or headphones.

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