KDDI Does Circuit Switched Fallback With NSN

Nokia Siemens Networks to enable combined CDMA and LTE service in Japan

December 15, 2011

1 Min Read

TOKYO -- Nokia Siemens Networks is implementing its Circuit Switched Fallback (CSFB) technology to enable CDMA and LTE technologies to work together in KDDI’s network in Japan. The deployment will allow KDDI to use its existing CDMA network to continue delivering high-quality voice services while maximizing the efficiency of its newly deployed LTE network. Nokia Siemens Networks provided the CDMA network, and is supplying and deploying KDDI’s LTE radio network. KDDI expects to launch LTE services by the end of 2012.

“We require a high-quality voice solution for our subscribers, one that uses the inherent capabilities and value of our existing nationwide CDMA network, while working in unison with our planned nationwide LTE network,” said Toshihiko Yumoto, vice president and general manager, network technical development division, technology sector at KDDI. “Nokia Siemens Networks’ ability to deliver a high-quality end-to-end CSFB solution on time, coupled with its technology expertise means that our customers will benefit from continued high-quality voice and in future, high-speed data services.”

Nokia Networks

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