telecommunication service means service of any description (including electronic mail, voice mail, data services, audio text services, video text services, radio paging and cellular mobile telephone services) which is made available to users by means of any transmission or reception of signs, signals, writing, images and sounds or intelligence of any nature, by wire, radio, visual or other electromagnetic means;
Telecommunications System means a system for conveying visual images, sounds or other information by electronic means;
Telecommunication ’ means any transmission, emission or reception of signs, signals, writings, images and sounds or intelligence of any nature by wire, radio, optical or other electromagnetic systems.
Prepaid wireless telecommunications service means a wireless communications service that provides the right to utilize mobile wireless service as well as other nontelecommunications services, including the download of digital products delivered electronically, content and ancillary services, which must be paid for in advance, and that is sold in predetermined units or dollars of which the amount declines with use in a known amount.
Telecommunications systems means voice, record, and data communications, including management information systems and local data networks that connect to external transmission media, when employed by Government agencies, contractors, and subcontractors to transmit—