When two parties are having a video communication, audio stream and video stream are generated. RTP streams include the audio stream and the video stream contained in RTCP streams. ( )
A. TRUEImage format refers to image size or resolution. Common image formats contain: SQCIF, QCIF, CIF, 4CIF, 16CIF, HD, Full HD.( )
A. TRUEAudio mixing is to mix the several sites with the largest sounds, except for the local site, not to mix the sounds of all sites. ( )
A. TRUEBy default, a video terminal reports its packet loss rate to the MCU every ( ).
A. 20sIn any view mode, a site can view the video of any other sites. ( )
A. TRUE225 used for medial channel control including call signaling (Q.931) and RAS communication between endpoints and the GK. ( )
A. TRUEIn RTCP packet, Sender report (SR) used for transmission and reception statistics from sending gateways. ( )
A. TRUEThe To tag, From tag, and Call-ID define the SIP relationship between the user agent client (UAC) and user agent server (UAS), which refers to a dialog. ( )
A. TRUEThe NLog is part of SMC, Huawei's conference management software. ( )
A. TRUEAudio Enhancement Technologie-ANR is used to adjust the voice volume of a telephone call. ( )
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