Tim advances in the provision of voice calls for 4 g network

Although the amount of phone calls come retreating continuously, operators understand that still worth investing in the quality of the connections to insure those customers who prefer talking about typing. In this context, TIM just hit 100% coverage in São Paulo voice call service by means of the 4 g network, a technology called Back (voice over LTE). Rio-São Paulo São Paulo is the second State where TIM took this technology for 100% of the cities. The first was Rio de Janeiro, also this year. In all, the carrier already has 3,015 municipalities offer back, leading the market. Meanwhile ... Vivo and Claro also saw the advantage of Back and began to offer the service, while in Hi is under development, with expected to launch in 2020. So far, however, no one escaped the loss of revenue from the fall in the amount of calls.