AST Completes 2-Way Voice Calls Using BlueWalker 3 Satellite

AST SpaceMobile said its successful two-way voice calls to unmodified smartphones using its BlueWalker 3 satellite were the first-ever direct voice connection from space using everyday cellular devices. It said Tuesday the call was made from Midland, Texas, to Japan over AT&T spectrum using a Samsung Galaxy S22 smartphone.