H.320
H.320 – This is an ITU-T recommendation for low bit rate visual communication. The H.320 is entitled “narrow-band visual telephone systems and terminal equipment” and is widely accepted for ISDN video conferencing. The H.320 is not a compression algorithm, but is rather a suite of standards for video conferencing. H.320 specifies H.261 as the video compression, and defines the used of one of three audio formats: either G.711, G,722 or G.728.
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