Telecommunications services, namely two-way radio dispatching services, electronic transmission of voice, text, video, images and data by means of wireless devices, paging services, mobile telephone communication services, digital cellular devices; voice, text, facsimile, data and video telecommunication services; electronic mail, voice mail and messaging telecommunications services; audio and video teleconferencing services; computer aided transmission of messages and images; audio and video conferencing services; computer aided transmission of messages and images; providing and maintaining telecommunications services and connections to world-wide global computer networks, on-line services and electronic bulletin boards; wireless telecommunications services, namely, wireless roaming services