H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/26—Devices for calling a subscriber
H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
Dispositif de présélection pour station de télécommunication, telle que station d'abonné au téléphone automatique ou station de commande à distance.