After launching in the UK, Tello expands to the American market
One year after launching its first SIM service on the UK market (Tello.co.uk), KeepCalling introduced Tello.com, a wireless service especially designed for the US. The new network was designed as an alternative to everything Americans complain about when it comes to mobile providers and is tailored to its customers’ needs. Tello.com allows customers to […]
