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What is a telecom video color ring back tone?
Video CRBT is a special service of VoLTE, which changes "listening to CRBT" into "watching CRBT". When a user makes a voice call or a video call under the VoLTE network, he will see a video content before the call is connected.
The answer is for reference only. As the telecom business and policies change from time to time, the specific packages or policies are subject to the release of the telecom online business hall or the telecom handheld business hall.
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