| ISDN-adapters intern | Actief/Passief | Modem? | V.110 protocol | V.120 protocol | X.75/HDLC protocol | ISDN Compressie? | Leverancier | Prijs | |
| Acotec ISDN for Windows 95 (TELES.S0/16.3 ISA card) | Passief | no | yes | yes | yes | V.42bis | AB Computers, tel. +32 2 370 39 11 | 7530 | |
| AVM ISDN-Controller A1 v3.0 | Passief | no | yes | no | yes | no | Tornado, tel. +32 16 55 16 21 & Landis, tel. +32 3 248 25 46 | Tornado: 9670; Landis: 7200 | |
| Chase Research ISDN-PC | Actief | no | yes | yes | no | V.42bis | Telpost, tel. +32 81 23 00 62 | 24500 | |
| Creatix ISDN-S0/P&P | Passief | V.22 | yes | no | yes | no | Bausch, tel. +32 16 46 12 88 | 5400 | |
| Digi DataFire ISDN | Passief | no | yes | yes | yes | V.42bis | ICP, tel. +32 3 605 04 41 | 29415 | |
| Eicon DIVA for Windows 95 | Passief | no | yes | yes | yes | V.42bis | Indacom, tel. +32 15 28 88 11 | 21650 | |
| ELSA MicroLink ISDN/PCC-16 | Passief | no | yes | yes | yes | V.42bis | AB Computers, tel. +32 2 370 39 11 | 17800 | |
| NCP Arrow Star | Actief | no | yes | no | yes | no | Bausch, tel. +32 16 46 12 88 | 17000 | |
| Racal X.TOLL | Passief | no | no | yes | no | no | ATC, tel. +32 9 371 99 99 | 12607 | |
| Syncard 96 ISA ISDN | Passief | no | NS | NS | NS | no | AB Computers, tel. +32 2 370 39 11 | 21900 | |
| TELES.ONLINE-96 | Passief | V.22 | yes | no | yes | V.42bis | Telpost, tel. +32 81 23 00 62 | 5990 |
Tests performed by Data TestLab.