The Elon Musk-founded firm operates a constellation of over 3,000 satellites in low-Earth orbit that can provide a broadband data service to devices across the globe, including in areas that aren’t served by traditional radio towers.

The newly-announced ‘Direct to Cell’ satellite phone service will launch next year ahead of plans to make it compatible with current 4G handsets by 2025.

Direct to Cell satellites will initially be launched on Falcon 9 rockets flown by SpaceX, which is also owned by Elon Musk, and then Starship, its upcoming super heavy lift launch vehicle. Once in orbit, the satellites will connect over laser backhaul to the Starlink constellation to provide global connectivity.

Peter Kibutu, advanced technology lead at satellite consultancy TTP, said: “Starlink continues to set ambitious targets for its satellite network; however, its plans to deliver a direct-to-cell service require scrutiny. Offering connectivity supported by unmodified...