Friday, January 10, 2014

China Mobile Picks ZTE for First Commercial VoLTE in Guangzhou

China Mobile has selected ZTE to deploy voice over LTE (VoLTE) services on its commercial TD-LTE network in the city of Guangzhou.


ZTE said the VoLTE services on China Mobile’s 4G TD-LTE network support enhanced Single Radio Voice Call Continuity (eSRVCC) switching for seamless handovers to non-4G networks. eSRVCC technology complies with the LTE-A 3GPP R10 standard, greatly reducing latency times when switching voice services between the 4G network and 3G or 2G networks, ensuring that users do not perceive any change when moving between different networks.

The VoLTE deployment in Guangzhou was also enabled by a newly-built IP Multimedia Subsystem (IMS) system provided by ZTE. 4G smartphones with Qualcomm Snapdragon 800 processors were used.

"The successful demonstration of VoLTE service speeds up the development of the entire industry ecosystem,” said Mr. Sha Yuejia, Vice President of China Mobile.

http://wwwen.zte.com.cn/en/press_center/news/201401/t20140109_416537.html


  • In July 2013, ZTE cooperated with Qualcomm to conduct a VoLTE test using commercial terminals in China Mobile's lab.
  • In December 2013, ZTE completed calls over TD-LTE VoLTE between Guangzhou and Tianjin.

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