ZTE Completes LTE TDD CSFB Tests

ZTE has completed a series of world-first tests between TD-LTE and 2/3G GSM/UMTS networks using circuit switching fallback

December 22, 2011

1 Min Read

SHENZHEN, China -- ZTE Corporation (“ZTE”) (H share stock code: 0763.HK / A share stock code: 000063.SZ), a publicly-listed global provider of telecommunications equipment and network solutions, announced today it has completed a series of world-first tests between TD-LTE and 2/3G GSM/UMTS networks using circuit switching fallback (CSFB).

The operations included testing a series of services such as mobile originating calls, mobile terminating calls and short messaging service, or SMS. The tests further reinforce the convergence of TD-LTE and existing networks. In addition, the tests demonstrate that CSFB is a reliable voice solution on TD-LTE networks.

CSFB allows greater call range. When a user on a phone using CSFB that operates on an LTE network initiates a voice call outside the range of a 4G network, the CSFB handset will rapidly “fall back” to available 2/3G networks to complete the call. This use of existing infrastructure also enables voice services without IMS deployments. It is a single chip voice-implemented solution defined by 3GPP.

ZTE Corp. (Shenzhen: 000063; Hong Kong: 0763)

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