FIELD: communication. SUBSTANCE: remote subscriber's module is intended for processing of internal calls communication line between remote subscriber and central telephone commutation system is open. Given module incorporates controller to control switching over functions between remote subscribers when connecting line fails, subscriber's circuit detecting state of removal of telephone receiver by remote subscriber, generator of call tone signal to generate various call tones in accordance with switching over function under control of controller, two-tone multifrequency receiver to detect two-tone multifrequency signal of remote subscriber and line concentrator switched over in correspondence with control of controller to form communication channel between remote subscribers. EFFECT: improved servicing in processing of calls. 5 cl, 4 dwg
