providing telecommunications and network services; telecommunications and network services for carrier, enterprise and other business customers, including but not limited to Ethernet, SONET, Wavelength, Internet, custom private optical networks, and other related fiber optic network services; managing telecommunications and network services for carrier, enterprise and other business customers, including but not limited to Ethernet, SONET, Wavelength, Internet, custom private optical networks, and other related fiber optic network services; designing, constructing, leasing and licensing telecommunications network fiber, conduit, ducts, switches, dark fiber, circuits, backbones, colocation facilities and other network infrastructure; technical support, namely, monitoring of network systems and troubleshooting of telecommunications network problems; colocation services