| 摘要 |
A method of voice signal switching by a computer standard bus and multiple telephone digital switching modules for implementing the method is disclosed, each multiple telephone digital switching module of a program controlled switch is connected to a computer standard bus directly by a data line and a control line, and data transmission and switching in real time between the modules is conducted by computer standard bus. The multiple telephone digital switching module consists of a main control module, a multiple telephone data interface module, a buffer module, and a bus interface module, which are connected each other by a data line and a control line. |
