According to GSMA in 2015 422 LTE networks had been launched worldwide and only 25 VoLTE networks. Today that figure has risen to 643 LTE networks and 127 VoLTE networks. The reason for the slow rollo…
( read original story …)
According to GSMA in 2015 422 LTE networks had been launched worldwide and only 25 VoLTE networks. Today that figure has risen to 643 LTE networks and 127 VoLTE networks. The reason for the slow rollo…
( read original story …)