FIELD: telephone communication, control of module coin-box telephones, providing reception of alarm signals, repair, collection of coins, drawing-up of accounts, etc. SUBSTANCE: due to employment of various units, systems and auxiliary elements designed for control of module coin-box telephones, payment may be made by cards of different type, in particular, by prepaid credit, telephone user's or multifunctional cards. EFFECT: enhanced reliability. 3 cl, 1 dwg
Authors
Dates
1998-07-10—Published
1991-04-18—Filed