Use Sixfab hat as phone?

[vin]

Has anyone used or is it possible to use the Sixfab cellular hat to make & receive phone calls much like the Adafruit FONA? I am able to use the hat currently to connect to the Internet but am interested in also creating my own phone. There is a project posted on youtube from back in 2018 with some promising results.

Make Your Own Raspberry Pi Cell Phone

![Screen Shot 2021-03-22 at 5.01.48 PM|510x360]
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[carter]

did you make your phone?
From What I gather it is the choice of modem, not HAT that enables voice/SMS/MMS.

I want to ditch my corporate spy phone but am unclear as to how reliable they are at receiving calls/SMS.

What OS & software are you using to communicate? I’m hoping to use Ubuntu 24.04.