| 2G | Second Generation Wireless Networks (i.e. GSM) |
| 2G+ | Second plus Generation Wireless Networks (i.e. GPRS) |
| 3G | Third Generation Wireless Networks (i.e. UMTS) |
| 4G | Generation Wireless Networks (IP driven Mobile Networks) |
| ASP | Application Service Provider |
| B2B | Business to Business |
| B2C | Business to Customer |
| EDGE | Enhanced Data rates for GSM Evolution |
| HE | Home Environment |
| RF-ID | Radio Frequency IDentification |
| GPRS | General packet radio service |
| GSM | Global System for Mobile Communications |
| GPS | Global Positioning System |
| GNSS-2 | 2nd Generation of Global navigation Satellite System (Galileo) |
| HSCSD | High Speed Circuit Switched Data |
| IST | Information Society Technologies programme |
| LAN | Local Area Network |
| MAN | Metropolitan Area Network |
| LCS | Location Server |
| LDAP | Lightweight Directory Access Protocol |
| QoS | Quality of service |
| RT | Real Time |
| RTD | Research & Technological Development |
| SLP | Service Location Protocol |
| SN | Serving Network |
| UE | User Equipment |
| UMTS | Universal Mobile Telecommunication System |
| UTRAN | UMTS TeRrestrial Access Network |
| VASP | Value Added Service Provider |
| WLAN | Wireless LAN |
| WP | Workpackage |