Huawei, a leading global information and communication technology (ICT) solutions provider, said it completed an end-to-end voice interoperability test for LTE TDD to CDMA, using the Qualcomm Snapdragon 400 (8X30) processor and its solutions for CSFB (Circuit Switched Fallback) and eCSFB (Enhanced CSFB).

Qualcomm Snapdragon is a product of Qualcomm Technologies, Inc., a wholly-owned subsidiary of Qualcomm Incorporated.

CSFB and eCSFB voice solutions are significantly important during the initial deployment of LTE networks. As operators continue to prepare for a smooth evolution to VoLTE, these solutions allow for users to seamlessly enjoy high-speed data services in conjunction with high-quality CDMA voice services without any adverse impact on overall user experience.

Kevin Wu, President for CDMA/LTE Wireless Networks at Huawei, said, "This successful test is a milestone for the commercialization of LTE voice technologies. It gives CDMA operators more choices for smoothly evolving to a wholly integrated LTE system, and reaffirms Huawei's commitment to protect existing investments and improving the operational efficiency of multi-mode and multi-frequency networks."

In early 2012, Huawei and Qualcomm jointly successfully completed a voice interoperability test for LTE FDD to CDMA.

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