| Acronym | Meaning |
| MAU | Multistation Access Unit |
| BBS | Bulletin Board System |
| QSIG | Q (point Of The ISDN Model) Signaling |
| HDLC | High-level Data Link Control |
| DIN | Deutsches Institut F?r Normung (German Institute For Standardization) |
| VCPI | Virtual Control Program Interface |
| DLL | Dynamic Link Library |
| AI | Artificial Intelligence |
| PGA | Professional Graphic Adapter |
| BSWD | BellSouth Intelligent Wireless Data Network |