Safety device for subscriber telephone lines. (Machine-translation by Google Translate, not legally binding)

摘要

Safety device for telephone lines of subscriber for forming part of any basis of conventional plug tops one phone line in the interior of a home or any other passenger compartment, essentially wherein it consists of a lock, implemented in the case of the base plug and that through your bombillo nucleus giratorio acciona on a switch set forth in the interior of such case, particularly in the interior cable to the socket that relates contactor corresponding to the output signal unit telephone with hilo terminal connection line out, so that open with switch is trained exclusively line to receive calls. (Machine-translation by Google Translate, not legally binding)