SlideshowChina Telecom & Huawei Jointly Complete the World's First End-to-End 5G SA Voice & Video Call

During the call, the UE falls back to the 4G network and connects to the HD voice call.
During the call, the UE falls back to the 4G network and connects to the HD voice call.

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robiie619
robiie619
8/21/2019 | 5:53:56 AM
innovation in telecommunication
its good to see that there are so many innovations in the field of telecommunication.we have sy=tarted from the copper line now we have shifted to VoIP based office phone system.