0 sats \ 0 replies \ @john_doe 1 Aug 2023 \ parent \ on: My Graphene OS Journey So Far tech
This may not be what you are looking for but for my phone number I use voip.ms with the app of the same name (there is Linphone as well).
Sip phones work well and is very cheap, I have a phone number in Texas for less than $12 per year.