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Video calling method and device based on voice over long-term evolution and video over long-term evolution, and mobile terminal
Video calling method and device based on voice over long-term evolution and video over long-term evolution, and mobile terminal
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机译：基于长期演进的语音和长期演进的视频的视频通话方法及装置及移动终端
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摘要
VoLTE based video calling method and device and a mobile terminal are provided. The method includes: receiving a request for VoLTE video calling from a user at a first UE; sending a session request message which carries a first video parameter supported by the first UE to a second UE through an EPS network; receiving a video QoS parameter sent by the EPS network; receiving a session response message sent through the EPS network by the second UE, the session response message carrying a second video parameter provided by the second UE which is determined based on the video QoS parameter and the first video parameter; determining a third video parameter for the first UE based on the video QoS parameter and the second video parameter; and initiating a VoLTE video calling using the third video parameter. Relatively good video calling quality may be obtained in different VoLTE networks.
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