ZTE, China Mobile, Ericsson conduct 5G-4G VoLTE call

16 Apr 2019

ZTE, the Guangzhou branch of China Mobile and Ericsson have announced a joint demonstration of a VoLTE voice and video call between 5G and 4G smartphones.

The successful call, completed at the end of March, utilized non-standalone 5G networks provided by different vendors, as well as China Mobile Guangzhou's existing 4G network.

It used ZTE's 5G and 4G smartphones for the VoLTE voice and video call, as well as network equipment from the two vendors.

Guangzhou is one of five 5G pilot cities for China Mobile, which is investing the most heavily in 5G among China's big three mobile operators.

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