https://github.com/matrix-hacks/matrix-puppet-hangouts/blob/master/README.md
First look at this program but seems helpful for you
Well soon enough I'll do the monthly payment plan for the @purism #librem5 phone. A "tech person" at #verizonwireless swears it will work on their network. So as for bands they told me to look at the specs of what their latest devices run... So of course took a screenshot to compare specs when I have a chance this weekend.