Communications system and method therefor
A telecommunication network, said technology, applied in the direction of telephone communication, prepaid telephone system, multiplex system selection device, etc., to achieve the effect of easy management
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[0032] First, the general structure of the communications equipment, including an Intelligent Network (IN), which allows charging for switching and calling, will refer to figure 1 Description is given in order to give a better understanding of the basis of the invention.
[0033] figure 1 is a schematic diagram representing the physical architecture of the Public Switched Telephone Network (PSTN), providing communication links between the subscriber or its subscribers. The PSTN includes a plurality of local exchanges 100 and 102 and a plurality of transit exchanges 120 . The local exchange and the transit exchange are interconnected with each other through the trunk line 110 . The trunk line 110 also provides interconnection between different local exchanges and between different local exchanges. Subscribers 104 are connected to local exchanges 100, 102 via subscriber lines 106, and although only a limited number of subscriber terminals are shown connected to the PSTN, it s...
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