Hi,
I really appreciate all of the help offered here.
I found a way to get the microphone to work along with the headphones, but it is definitely weird.
On my Windows 10 (1903) MSI laptop, I have a new Bluetooth MPOW HC5. I was going to return it after I read all of these posts, but I may give it another chance. Tonight I participated in an hour-long WebEx call without any issues.
Earlier, I deleted all the files and configs for my new headset. Then I paired it and ONLY installed the MPOW HC5 Hands-Free AG Audio and set the MPOW HC5 Stereo disconnected in the Playback Tab.
I found that the MPOW HC5 Stereo device driver DOES control the side buttons on the headset, so that Pause, Play, Volume up and down will work, but it doesn't recognize the microphone.
I also found that the MPOW HC5 Hands-Free AG Audio device driver DOES recognize the microphone, but ONLY after using the Speaker icon to slide the sound level to 100% and then back down to my comfort zone. At that point, none of the side buttons and the
headset will work, BUT you can use the microphone.
If you want to use the "Listen" function in the Recording Tab to hear yourself in the headset speakers, it's awful. I gave that up.
I hope this helps somebody.