Direct Inward Dialing Support. This function is offered by telephone companies with the goal that ATC clients could connect all range of company numbers to one or several lines. The aim is to give a personal number to every employee without having to connect it to a separate phone line. Thus, all telephone traffic can be divided and controlled more efficiently.
Cierra Communications LLC broadens executive bandwidth by providing results oriented professional services, marketing communications, carrier services and products to the telecom, networking and enterprise industries.