it does involve phone companies directly or indirectly

Google AI:

Yes, making internet calls (VoIP) involves telephone companies indirectly, or directly if calling regular numbers, as your VoIP provider connects your internet call to the Public Switched Telephone Network (PSTN) using traditional telco infrastructure; you need an internet connection, a VoIP app/device, and a VoIP provider, but calling only other app users avoids direct telco involvement.