Global Telcos use 4G / LTE for Data – Switch Back to 2G/3G for Voice – What will Reliance Jio do ?
As Voice over LTE still lacks the QoS required and supported by 2G, globally, most operators are currently using their 4G / LTE network for pure data and switching to the existing 2G/3G networks for voice calls. The following chart shows LTE Spectrum Band allotted in various countries and HowContinue Reading