AT&T and AST SpaceMobile complete handoff between cellular network and direct-to-device satellite

AT&T and AST SpaceMobile said they achieved a handoff between a ground-based cellular network and a direct-to-device satellite network. The milestone connects a terrestrial carrier network to AST SpaceMobile's satellite constellation for phone-to-satellite service. No commercial launch date, coverage details, financial terms or subscriber figures were disclosed.