| 摘要 |
<p>[Problem] To provide a video data transfer system that uses an NGN as a video data transfer network and establishes a session between transmission and reception units by the SIP protocol and that uses a specific band to maintain efficiency, high quality, and economy. [Solution] A video data transfer system connected through an IP network and formed of a video data transmission apparatus equipped with an encoding means, relay units, and a video data reception apparatus equipped with a decoding means. The relay units are separately provided for the video data transmission apparatus and the video data reception apparatus. Each of the relay units includes a session establishment means, a session management means, a session disconnection means, and a band maintaining means.</p> |
