Network Twenty One, Inc. installs multiple types of equipment like: Cisco, Fujitsu, Alactel, Nortel, Ciena, ADVA, & Nokia. Moreover, Network Twenty One, Inc. has performed equipment installations for prominent companies such as: T-Mobile, Brighthouse, CenturyLink, Level 3, Fujitsu, and WOW. Our technology includes: Switching, routing, Frame Relay ADM, ATM, 3G, 4G, Ethernet, VOIP, DWDM, Wide Fidelity, audio, and video.