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.
AiannaOne is a world wide service provider for the residential and Enterprise business, We offer unlimited and limited packages as well as customize PBX services based on your needs.