METHOD FOR AUTOMATIC CONNECTION BETWEEN USERS OF TELEPHONE COMMUNICATION NETWORK AND DEVICE WHICH IMPLEMENTS SAID METHOD

摘要

FIELD: telephone communication, automatic phone exchange systems which operate in conditions of sparse cable network. SUBSTANCE: device has serial circuit of user set, automatic exchange system. In addition device has serial circuit of input unit, comparator, control unit, joining commutator. In addition device has transmitting unit, call signal generator, commutator and additional user sets. EFFECT: increased network of automatic phone exchange without upgrade of existing automatic phone exchange systems and number of phone communication lines.