17 November 2011, Shenzhen, China – ZTE Corporation (“ZTE”) (H share stock code: 0763.HK / A share stock code: 000063.SZ), a leading global provider of telecommunications equipment and network solutions, today successfully demonstrated its Uni-Core based Circuit Switched Fallback (CS Fallback) services over Hong Kong CSL Limited’s (CSL) LTE and 3G mobile networks with a commercial smartphone at the 2011 GSMA Mobile Asia Congress (MAC) in Hong Kong.
ZTE Uni-Core solution supports a smooth upgrade path from 3G to LTE/EPC without the requirement to upgrade the infrastructure, protecting operators' investments. CS Fallback is a key feature of the ZTE Uni-Core solution, and enables users to enjoy both high-speed data service over LTE and top-quality CS voice service.
As a result of the acceleration in the deployment of commercial LTE networks and continued growth in popularity of smart phones, a greater number of smartphones that support LTE are being developed. Accordingly, mobile operators are concerned with efficient ways to migrate legacy 3G voice and data services to LTE. As the standard defined by the 3rd Generation Partnership Project (3GPP), CS Fallback is considered as the preferred solution in the early stages of LTE/EPC network deployment.
"ZTE’s CS Fallback solution helps operators save costs by making full use of existing networks to provide voice services,” said ZTE President of Core Network Products Xu Ziyang. ”The joint demonstration conducted today with CSL shows that ZTE’s LTE voice solutions are viable and useful for mobile operators.”
ZTE is dedicated to deploying LTE/EPC networks and creating innovative network solutions with the aim of improving ease-of-use for operators and customers. In cooperation with the GSMA and CSL, ZTE successfully conducted the world's first IMS based Voice over LTE (VoLTE) call on a commercial LTE network and existing 2G/3G networks at the Mobile Asia Congress in November, 2010. In addition, ZTE successfully participated in the first-ever VoLTE interoperability test event, which was hosted by the MultiService Forum (MSF) and backed by the GSMA at the Vodafone Test and Innovation Centre in Dusseldorf, Germany, in October, 2011.
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