telecommunications services, namely, the electronic transmission of voice, data, facsimile, video and information; background noise attenuation service relating to the electronic transmission of voice

telecommunications computer software to cancel or attenuate background noise in telephones, cordless telephones, wireless telephones and public pay telephones

sales volume tracking for others; namely, the collection and dissemination of sales data for music, music videos, blank audio tapes, blank video tapes and other related products sold by retail stores

sales volume tracking for others; namely, the collection and dissemination of sales data for music, music videos, blank audio tapes, blank video tapes and other related products sold by retail stores

ELECTRONIC SECURITY ALARMS