ITeleco is a full service telecommunications company. We sell, install, repair, upgrade, and program phone systems. ITeleco provides new & refurbished telephone equipment including AT&T, Panasonic, Avaya, Nortel, and NEC. Phone equipment moved, changed, upgraded. ITeleco installs CAT5e & CAT6 WIRING for both voice and data applications. We work with the leading phone providers. D-Marcs extended, PRI installation, T1's, SIP, analog & digital phone lines extended. We carry phone parts for discontinued equipment. iTeleco.com also offers programming and training on phone systems. We service both residential and commercial locations.We have been servicing the Chicagoland area for almost 20 years. Contact us today to get started.