Mobile and multi-part video intercommunion solutions

Service Description

• One caller sends request to call a callee
• Server calls for the callee and sets up connection between the caller and the callee to answer the request.
• The caller terminal makes real-time encoding for video and audio streaming data and sends the encoded data to the callee terminal.
• The callee terminal decodes the data and sends its encoded video and audio streaming data to the caller part, at the same time the caller part stops encoding.
• Once one part asks for conversation terminal, server part will terminate the connection.




Technical specifications

• Diversified devices can be used, such as PC, PDA, Mobile phone, Lap-top, etc.
• Video communication can span broad band and CDMA1X network
• Simultaneous user amount:50,000
• Response rate: less than 5 sec.
• Data transmission bandwidth: 32Kbps-4Kbps
• Video and audio quality: image quality is QCIF, 3-15fps, audio quality is super than the one on CDMA.

World Standards

• RTP (IETF RFC 2190)
• RTSP (IETF RFC 2326)
• RTCP (IETF RFC 1889)
• SDP (IETF RFC 2327)
• H.264
• G.722.2