Telecommunication means the emission, transmission or reception through the agency of electricity or electromagnetism of any sounds, signals, signs, writing, images or intelligence of any nature by wire, radio, optical or other electromagnetic systems whether or not such signs, signals, writing, images, sounds or intelligence have been subjected to rearrangement, computation or other processes by any means in the course of their transmission, emission or reception;
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;