call circuit

call circuit

[′kȯl ‚sər·kət]
(electricity)
Communications circuit between switching points used by traffic forces for transmitting switching instructions.
References in periodicals archive ?
for deliveries in Herrin and Energy, call circuit clerks office at (618) 942-3175 by 4 p.
Key benefits: - supervision, - credit service, - porter service, - emergency call circuit / intervention.
30 indoor and outdoor units and 10 emergency call stations with alarm button, - 1 pc clock system with 12 slave clocks, - 1 pc voice alarm system according to en54 with 26 call circuits and approx.