STATION: (Also Instrument, Set, Telephone) 

    A transmitting and/or receiving device and associated equipment which enables the customer to establish connections for the purposes of effecting communications.

SUBSCRIBER: 

    See CUSTOMER

TOLL MESSAGE: 

    A complete telephone call between stations in different exchanges for which message toll charges are applicable.

TRUNK: 

    An Access Line terminating in Key System or Private Branch Exchange equipment.

TRUNK HUNTING: 

    See ROTARY SERVICE