Administrator’s Guide for Yealink VC800&VC500 Video Conferencing System104Video CodecsThe video codec that the system uses to establish a call should be supported by the server.When placing a call, the system will offer the enabled video codec list to the server and then usethe video codec negotiated with the called party according to the priority.The following table summarizes the supported video codecs on the system:Name MIME Type Bit Rate Frame Rate Frame SizeH.264 HighProfile H264/9000090 kbps to2048 kbps5 fps to30 fpsTx: 360P, 540P, 720P,1080PRx: Conventional SizeBelow 1080PH.264 H264/90000H.263 H263/90000Tx: CIF, 4CIFRX: QCIF, CIF, 4CIFH265 H265/90000Tx: 360P, 540P, 720P,1080PRx: Conventional SizeBelow 1080PNoteVideo codecs parameters on the system are described below:Parameter Description Configuration MethodEnable CodecsSpecifies the enabled video codecsfor the system to use.Note: All support video codecs areenabled on the system by default.Web User InterfaceDisable Codecs Specifies the disabled video codecsfor the system not to use. Web User InterfaceTo configure video codecs via web user interface:1. Click on Account->Codec.2. Select the desired video codec from the Disable Codecs or the Enable Codecs column.3. Click or to disable or enable the selected video codec.If you are using H.265 video codec during a two-way video calls, the system will negotiateto use H264 High profile video codec automatically when placing a new call.