FIELD: telephone communications. SUBSTANCE: complex has group of coin-box telephone sets, control system for these telephone sets, means for processing credit transactions, and controller coupled through link with control system of complex. It is state-of-the-art complex designed for automated local and long-distance communications that enables off-line control of each of its coin-box telephone sets. Means for processing credit transactions is made in the form of single-type units each being connected on one side to one of coin- box telephone sets and on other, to control system of complex through controller provided with switch. EFFECT: enhanced reliability of complex. 5 dwg
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