Yup. For now, you just make calls to other people using the same server or another OSTN compliant server: https://guardianproject.info/wiki/OSTN#Client_Software

Yup. For now, you just make calls to other people using the same server or another OSTN compliant server: https://guardianproject.info/wiki/OSTN#Client_Software https://guardianproject.info/wiki/OSTN#Client_Software Your standard phone calls still go through the standard dialer and public phone network.