| APN | Access Point Name / Access Point Node |
| CE | Conformity of equipment according to EU rules |
| CS | Coding Scheme |
| CSD | Circuit Switched Data |
| DHCP | Dynamic Host Configuration Protocol |
| DMZ | Demilitarized Zone |
| DNS | Domain Name System |
| EDGE | Enhanced Data Service for GSM Evolution |
| EMC | Electromagnetic compatibility |
| FTP | File Transfer Protocol |
| GPRS | General Packet Radio Service |
| GSM | Global System for Mobile communications |
| GUI | Graphical User Interface |
| HSCSD | High Speed Circuit Switched Data |
| HSDPA | High-Speed Downlink Packet Access |
| HSUPA | High-Speed Uplink Packet Access |
| HTML | Hypertext Markup Language |
| HW | Hardware |
| IP | Internet Protocol |
| IPsec | Internet Protocol Security |
| ISDN | Integrated Services Digital Network |
| ISP | Internet Service Provider |
| LAN | Local Area Network |
| NAPT | Network Address Port Translation |
| NAT | Network Address Translation |
| POP | Point of Presence |
| POP, POP3 | Post Office Protocol, Version 3 |
| PPP | Point to Point Protocol |
| RAS | Remote Access Service (Dial-in Networking PPP) |
| RoHS | Restriction of hazardous substances |
| SIM | Subscriber Identity Module |
| SW | Software |
| TCP | Transmission Control Protocol |
| TFTP | Trivial File Transfer Protocol |
| UDP | User Datagram Protocol |
| UMTS | Universal Mobile Telecommunications System |
| URL | Universal Resource Locator |
| VPN | Virtual Private Network |
| WEEE | Waste Electrical and Electronic Equipment environmental directives |