There might still be credit card terminals using 300 bps Bell 103 (which has a short set-up time due to its lack of training sequences). 1200 bps V.23 and Bell

There might still be credit card terminals using 300 bps Bell 103 (which has a short set-up time due to its lack of training sequences). 1200 bps V.23 and Bell 202 are still in use in radio telemetry applications.