Denver has a long history as both as both a transportation and communication hub. This section of Denver Color lists Denver web sites concerned with telecommunications including cell phones (wire less), long distance calling and the new field of Voice on IP VoIP (using the internet to make phone calls).
American Datapath, Inc. (www.americandatapath.com) ADI provides networking hardware, fiber optics and cable installation.
BT Communications, Inc. (www.btcommunications.com) BT Communications offers a variety of services from telephones to large PBX installations.