H.241 is a Recommendation from the ITU Telecommunication Standardization Sector (ITU-T) that defines extended video procedures and control signals for H.300-series terminals, including H.323 and H.320.

This Recommendation defines the use of advanced video codecs, including H.264:

  • Command and Indication
  • Capability exchange signaling
  • Transport
    • requires support of single NAL unit mode (packetization mode 0) of RFC 6184
  • Reduced-Complexity Decoding Operation (RCDO) for H.264 baseline profile bit streams
  • Negotiation of video submodes
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