for older modems (14.4 Kbps and lower), Hardware (CTS/RTS) for high-speed modems (above 14.4 Kbps), CALL WAITING If you have the call-waiting service on your telephone line, you MUST disable it before each modem call or you risk having your connection interrupted. Call waiting is disabled with Ameritech if you dial "*70" before the telephone number. For GTE it is disabled if you dial '70# before the telephone number. The place