DIGITAL TELEPHONE SYSTEM AND PROTOCOL FOR JOINT VOICE AND DATA EXCHANGE VIA POTS LINE

摘要

Telephone system which connects to a wired communication line, comprising: a modem (16)for connecting to a wired communication line (17); and a telephone transceiver (18) and a data device (12, 14) extended to provide simultaneous two-way data and voice exchange over the wired communication line by detecting data for transfer and allocating bandwidth between voice and data signal to accommodate the exchange.