| 摘要 |
PURPOSE:To give the functions of information storage and waiting to the exchanger system, by coupling a composite file devide to composite terminal and exchanger. CONSTITUTION:A composite terminal 1 having keyboard and display other than telephone functions, data terminal 2 and telephone set 3 are respectively coupled with a composite exchanger 7 with a digital subscriber line 4, exclusive line 5, and telephone subscriber line 6. The composite exchanger 7 consists of a time sharing channel 8 which sets the information bus, signal trunk 9 and control section 10, and references a composite file 11 and enables the simultaneous processing of audio and data and the interruption of the third party during calls. |
