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ZTE Launches Industry First Commercial Trial VoLTE Call with eSRVCC

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ZTE has successfully demonstrated VoLTE calls with enhanced single radio voice call continuity (eSRVCC) in Hong Kong. The new voice solution enables higher quality voice calls while the network is being upgraded to LTE and provides end-to-end Quality of Service (QoS) assurance. The eSRVCC VoLTE call improves connection time when compared to CSFB solution and shortens handover time. The eSRVCC was proposed by ZTE at 3GPP in 2009 and accepted into 3GPP R10.

ZTE Corporation (“ZTE”) (H share stock code: 0763.HK / A share stock code: 000063.SZ), a publicly-listed global provider of telecommunications equipment, network solutions and mobile devices, today announced the launch of the industry’s first commercial trial VoLTE call with enhanced single radio voice call continuity (eSRVCC) in Hong Kong.

ZTE launched the VoLTE call with eSRVCC, a voice solution that enables higher quality voice calls while the network is upgrading to LTE and provides end-to-end QoS assurance. The eSRVCC was proposed by ZTE at 3GPP in 2009 and is supported by a number of operators and vendors. It was accepted into 3GPP R10 as a standard technology promotion.
"eSRVCC VoLTE call improves connection time when compared to CSFB solution and shortens handover time when compared to SRVCC solution. It gives LTE users more options and better service experience,” said ZTE Core Network Vice President Tu Jiashun. “The success of this solution is a milestone in the development of the VoLTE ecosystem.”
ZTE has achieved comprehensive success in VoLTE standards development, equipment research and end-to-end commercial solution in the telecoms industry.