Bell compatible

Bell compatible

A modem that is compatible with modems originally introduced by the Bell Telephone System.
References in periodicals archive ?
The modem automatically adjusts to match incoming transmissions from other CCITT and Bell compatible modems, and can operate at rates of 9600, 4800, 2400 and 1200 bps without data compression.
They are CCITT and Bell compatible, and support the full Hayes AT command set.