| 摘要 |
<p>A method, calling in a video conference service by terminal of video conference, comprising the steps of: (a) the first terminal of video conference starts a call to a multiple control unit and transmits the message of the conference which is needed for calling in a conference to a multiple control unit by channel in band established between both sides; (b) the multiple control unit calls in the conference according with received message of the conference. While a kind of message data form which transmits the message data by channel in band in video conference service, including: message data start identifier; message data type identifier; message data length identifier; no less than one submessage; message data end identifier; cyclic redundancy check code.</p> |
