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- Features of communication, performing the function of switching systems In this group is included: - equipment, part of the transit, terminal transit and termination communication fixed network nodes telephone services; - equipment of automatic telephone exchanges; - equipment, implements the functions of switching and control services; - equipment for providing services of intra-zone and long-distance international telephone communication via a telephone operator; - equipment call service nodes emergency services; - equipment service centers of information and reference service calls; - telegraph communication equipment; - Network switching equipment mobile radiotelephone; - Network switching equipment mobile radio; - equipment switching mobile networks
Optical multiplexer PolyCom
型号:
提供者:
JSC SPE Polygon