Call continues with no audio on time out lock screen

[Sk28]

• have a Samsung S20 note, when im on a call if the screen times out I can’t be heard nor can the person on the call hear me! How do i fix this?

[AndrewL]

@Sk28: I noticed that you have posted your query on another thread, which I have replied to. Please take a look at the troubleshooting steps provided, and let me know how you get on. 

https://eu.community.samsung.com/t5/galaxy-s10-series/audio-stops-when-screen-timesout/m-p/6132454#M...

[Zncsr]

I have the same problem and I'd like to see the answer, however it has been archived.

SO how can I prevent this problem?