COR:CALL

installing computer and communications equipment for providers of services for accessing and using the world-wide communications network

installing computer programs for providers of services for accessing and using the world-wide communications network; consulting and engineering services to monitor and manage communications networks that carry voice, video, and high-speed data signals; help desk services for broadband network users; designing and engineering computer and communications equipment and computer programs for providers of services for accessing and using the world-wide communications network