Keyboard System Design for a PABX for Dispatching
Wang Jingxian; Yang Lisha
An idea for designing hardware structure and software of the keyboard system to a PABX for dispatching is described as well as the idea realization method. In this system, the buffer of a queuing structure is applied to the software, which handles well the state displaying, polling keys and timely performing communications.
【CateGory Index】： TP334.23