business telephone systems, communications consulting, telecommunications, telephone systems consulting, boston web design, nortel, nortel networks, northern telecom, unified networks, digital switching, switching hubs, optivity, accelar, versalar, service provider, internet commerce, ip networks, optical networks, cable networks, utility networks, clarify, periphonics, voice data communications, mobility, mobile communications, multimedia communications, carrier, telecommunications carrier, voice over ip, voice over data, wireless network, integrated wireless centrex, telecommunications equipment, network routing switch, network routing, routing switch, network management software, fast ethernet, bay networks, remote access servers, layer 3 switching, value added resellers, gigabit ethernet, token ring, modular hub, baystack, fddi, fiber optic networking, atm networks, asynchronous transfer mode, network configuration, lan, wan, hubs

as a nortel networks authorized distributor, tac centre offers solutions to organizations of all sizes, from small stand-alone key systems to large, complex call centers. we offer customized solutions using proven nortel networks voice and data technology.