REMOTE DIALING TELEPHONE APPARATUS

A call initiated from any remote and random location to an input line of a central station is made capable of seizing an output line from the central station; whereby, a caller at the remote location can thereupon call any desired location as if the call had originated from the central station. The central station operates automatically and is provided with: a plural function tone detector and decoder which regulates line seizure and control functions, a trip ring circuit and a trip ring control circuit. The originating caller is provided with a portable tone generating encoder, which is employed for line seizure, control functions, and dialing of the desired location.