installation and maintenance of telecommunications and teleconferencing equipment; installation and maintenance of audio visual equipment; installation and management of structured low voltage cabling

voice over internet protocol (VOIP) services; teleconferencing services; audio conferencing; video collaboration services in the nature of video teleconferencing; telecommunications services, namely, personal communication services and business telephone services delivered through mobile networks, computer desktop, VoIP services and other forms of transmission; communication services, namely, transmitting data, e-mails, faxes, SMS, MMS, instant messages, telephone voice messages, team chat, persistent chat, and other forms of messaging to designated recipients via the internet