Communication method of video telephone
A technology of video phone and data link layer, applied in the directions of telephone communication, electrical components, two-way working system, etc., can solve the problems of no network protection switching function, expensive terminal cost, and complicated processing.
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[0132] The idea proposed by the present invention is mainly used for user-side integrated access equipment (access equipment that can access any one or several of voice, data, and video services), video phone switches, and voice based on packet switching. Switches, various switching routers (access switching routers, edge or aggregation routers, core or high-end routers), high / medium / low-end Ethernet switches based on packet switching, multi-service delivery platforms, and videophone or packet voice Any related connected equipment, etc. Figure 18Implement an example for a call. Two terminals A and B are respectively connected to the edge nodes (sink nodes) C and D of the DLP network. C and D are the two edge nodes of the network cloud formed by DLP technology. The DLP network cloud can be a regional network. It can also be a provincial network or a national network or an international network. It is assumed that it is a national network. Terminal A is in Wuhan, node B is in Shangh...
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