What is "call distribution technology" — and what is the minimum current minimum hardware requirement for implementing it. And so today I found out that… This will depend on whether you are looking for a commercial solution (call on any voice technology provider and there are MANY levels of phone systems) or an open source solution ( and its features ), and the number of stations being distributed to. Asterisk, an open source phone system run from a standard computer with voice cards and is meant for small to medium enterprise and may be scaled. With so many variables, it depends on many factors. . But a simple desktop PC may be converted to be a call distribution system. . Or you can spend hundreds of thousands of dollars on a large system for such places as a college or major corporation with thousands of employees on campus.