SYSTEM FOR DATA TRANSMISSION FROM PUBLIC TELEPHONE NETWORK, COMPACT COMPUTER SYSTEM AND COMPACT COMPUTER MODEM Russian patent published in 1998 - IPC

FIELD: communication equipment. SUBSTANCE: system 102 has notebook computer 104 with central processing unit 106 and corresponding software 108, modem 110 with output terminal 112, which provides transmission of data 128, and input terminal 126, ring 134. In addition system has controlled digital input-output lines D10 130 which are necessary for control of large number of different types of telephone sets 116. Preferred device design involves control of functions of relay, ring, TX, RX and controlled D10 lines by means of software in modem under control of software of computer 104. Preferably user uses computer software 108 for setting type or model of telephone set 116 which is used with modem 110. Modes of RX, TX, single-terminal and ring lines are either enabled or disabled. Modes of controlled D10 lines are controlled by method which is required for running mutual control for connected telephone set 116. EFFECT: increased functional capabilities. 80 cl, 6 dwg , 2 tbl