| Type | Init String |
| General | AT&F |
| Boca Office Comunicator | AT&F&C1&D2&K3 |
| Boca Express | AT&F&C1&D2 |
| Global Village (Bronze/General) | AT&F |
| Global Village (Silver) | AT&F1 |
| Global Village (Platinum) | AT&F1W1S95=4 |
| Hayes | AT&F&C1&D0&K4E0S11=55 |
| Microcom | AT&F |
| Motorola Lifestyle | AT&F&C1&D2\Q3 |
| Multitech General | AT&FX4$R1%E0 |
| Multitech Connection Problems | AT&FX4#F0$R1%E0 |
| Newcom | AT&FE1V1L1&C1&C2S0=0S7=45 |
| Practicle Peripherals | AT&F&C1&D2&Q6S37=9 |
| Telebit | AT&f |
| USR (Hardware Handshake Cable)* | AT&F&B1&H1&R2&D0
|
| USR (No Handshake Cable)* | AT&F&B1&D2 |
| Zoom | AT&F&C1&D0 |
| ZyXel | ATS48.1=1S43.1=1S43.3=1 |
