Hong Kong mobile operator CSL has successfully conducted a High Definition (HD) voice over LTE (VoLTE) call hand-off to 3G with an eSRVCC-based pre-commercial network. HD voice will keep service continuity before and after hand-off. All […]
Tag: Voice call continuity
ZTE launches commercial trial VoLTE call with eSRVCC
ZTE has launched the industry’s first commercial trial VoLTE call with enhanced single radio voice call continuity (eSRVCC) in Hong Kong. The VoLTE call with eSRVCC enables higher quality voice calls while the network is […]
