| Adtran Express XRT | AT&C1&D2\Q3S7=60S34=4 |
| Adtran ISDN Express XRT 1 B-Channel connecting at 56k | ATS54=12S53=2S27=0 |
| Adtran ISDN Express XRT 1 B-Channel connecting at 64k | ATS54=12S53=3S27=0 |
| Adtran ISDN Express XRT 2 B-Channels connecting at 112k | ATS54=12S53=2S27=1 |
| Adtran ISDN Express XRT 2 B-Channels connecting at 128k | ATS54=12S53=3S27=1 |
| Adtran ISDN ISU 128k | AT&C1&D2&R0&S2\Q3S34=15 |
| Adtran ISU 115.2 Fallback | AT&F8&C1&D2\Q3&R0S54=11S7=30 |
| Adtran ISU 115.2 Fallback with V.32bis | AT&F8&C1&D2\Q3&R0S54=11\N3%C1S7=30 |
| Adtran ISU 115.2 V.120 | AT&F8&C1&D2\Q3&R0S54=6S7=30 |
| Adtran ISU 128 (ISDN) | AT&C1&D2&R0&S2\Q3S34=15 |
| Adtran ISU 128 (ISDN) | AT&C1&D2&R0&S2\Q3S34=15 |
| Adtran ISU 128 (ISDN) | AT&C1&D2&R0&S2\Q3S34=15 |
| Adtran ISU 57.6 V.120 | AT&F7&C1&D2\Q3&R0S54=6S7=30 |
| Adtran ISU Express (ISDN) | AT&F8S54=12\Q3&C1&D2&R0&S2S34=15 |
| Adtran ISU Express (ISDN) | AT&F8&C1&D2&R0&S2\Q3S54=11 |
| Adtran ISU Express (ISDN) | AT&C1&D2&R0&S2\Q3S34=15 |
| Adtran ISU Express (MultiLink) | AT&F8S54=12\Q3&C1&D2&R0&S2S34=15S53=3S27=1 |
| Adtran ISU Express (Single) | AT&F8S54=12\Q3&C1&D2&R0&S2S34=15S53=3S27=0 |
| Adtran ISU Generic | AT&C1&D2\Q3S7=30 |
| Adtran XRT (MultiLink) | AT&F8\Q3&C1&D2S53=3S27=1S54=12 |
| Adtran XRT (Single) | AT&F8\Q3&C1&D2S53=3S27=0S54=12 |
| Adtran XRT (V.120) | AT&F8\Q3&C1&D2S53=3S27=0S54=6 |
