toll telephone service

(1) a telephonic quality communication for which (A) there is a toll charge which varies in amount with the distance and elapsed transmission time of each individual communication and (B) the charge is paid within the United States, and

(2) a service which entitles the subscriber, upon payment of a periodic charge (determined as a flat amount or upon the basis of total elapsed transmission time), to the privilege of an unlimited number of telephonic communications to or from all or a substantial portion of the persons having telephone or radio telephone stations in a specified area which is outside the local telephone system area in which the station provided with this service is located.