WhatsApp call audio drops out

[Xaq]

On WhatsApp calls my audio drops out every few minutes. I have found that if I mute and unmute the mic then the other person can hear me again for another couple minutes or so then it repeats. 

Any idea why this happens?

[Chiril-Eftodii]

It is happening becouse of the battery setings. The screen becomes black and system is putting aplication to sleep and restrict the background usage. Check in setting for this kind of app to uncheck "restrict background usage".

[Xaq]

Thank you very much, this sounds about right 👍🏽

[Chiril-Eftodii]

Go to WhatsApp info, battery and check this thing:

[Xaq]

Yes it was in my "sleeping" apps in battery manager, I removed it. I'll test it out on a call later and see if that fixes it. Thank you and I'll post the results

[Chiril-Eftodii]

This kind of issue is not only for whatsapp. Also for messenger and other apps.