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RTP video tunneling through H.221

  • US 8,094,667 B2
  • Filed: 07/18/2008
  • Issued: 01/10/2012
  • Est. Priority Date: 07/18/2008
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a first gateway operable to receive a real-time protocol (RTP) packet including video data from a first endpoint; and

    a second gateway operable to communicate with a second endpoint,wherein the first gateway is operable to communicate the RTP packet to the second gateway in a sub-channel portion of a frame-based protocol,wherein the video data of the RTP packet includes header, sub-header, and payload data and the header, sub-header, and payload data of the RTP packet are copied into the sub-channel portion of the frame-based protocol,wherein the second gateway is configured to send a capabilities message to the first gateway and the capabilities message defines whether the RTP packet may be copied into the sub-channel portion of the frame-based protocol, andwherein a tunnel is established between the first gateway and the second gateway based on the capabilities message.

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