发明名称 Video Data Transmission Method and Apparatus, and Communications Device
摘要 A video data transmission method and apparatus, and a communications device is provided. The method includes receiving, by a second communications device, a video call request sent by a first communications device, determining whether media capability information of the first communications device matches media capability information of the second communications device, constructing a Session Description Protocol (SDP) answer message when the media capability information of the second communications device does not match the media capability information of the first communications device and the media capability information of the second communications device and the media capability information of the first communications device include a same audio calling frequency, and sending the SDP answer massage to the first communications device so that the first communications device and the second communications device transmit video data.
申请公布号 US2015116450(A1) 申请公布日期 2015.04.30
申请号 US201414586264 申请日期 2014.12.30
申请人 Huawei Device Co., Ltd. 发明人 Li Kexin;Wang Lin
分类号 H04N7/14 主分类号 H04N7/14
代理机构 代理人
主权项 1. A video data transmission method, wherein the method comprises: receiving, by a second communications device, a video call request sent by a first communications device, wherein the video call request carries media capability information of the first communications device; determining whether media capability information of the second communications device matches the media capability information of the first communications device; constructing a Session Description Protocol (SDP) answer message when the media capability information of the second communications device does not match the media capability information of the first communications device and the media capability information of the second communications device and the media capability information of the first communications device comprise a same audio calling frequency, wherein content of a video support field of the SDP answer message is empty, and an audio support field of the SDP answer message is the same audio calling frequency; and sending the SDP answer message to the first communications device, so that the first communications device and the second communications device transmit video data.
地址 Shenzhen CN