| Aspen 14.4EFX Data Fax (RPI based) | AT&F&C1&D3&K3+H3 |
| Aspen 14.4EFX Data Fax (RPI based) | AT&FW2&C1&D2&K3S7=50S36=7S46=2S48=7 |
| Aspen 14.4FX3 Data Fax Modem | AT&FW2&C1&D2&K3S7=55S36=7S46=2S48=7 |
| Aspen 28.8 | AT&FE0&D2\Q3S37=0\A0\N5 |
| Aspen 28.8 | AT\N0%C0 |
| Aspen 28.8 Int | AT&FE0Q0V1X4&C1&S0&D2&Q5\N3 |
| Aspen 28.8 PNP Data/Fax/Voice | AT&F&C1&D2\Q3\V0S7=50 |
| Aspen 28.8K Internal | at&fe0q0v1x4&c1&s0&d2&q5\n3 |
| Aspen 28800 | AT\N0%C0 |
| Aspen 33.6 (ATI3 = CL MD34xx) | AT&F\N5%C0"H0S10=150 |
| Aspen Peripherals 288 EFX | AT&F&C1&D2S95=1 |
| Aspen Peripherials v.34 (EFX) | AT&FQ0V1W1X4&C1&D2&K3&Q5\N3%C1 %E1S0=0S2=255S37=0S36=7S48=7S95=44 |
