| ATM | Asynchronous Transfer Mode, a circuit switched data transfer method |
| DAB | Digital Audio Broadcasting, a European standard for digital audio (radio) transmissions |
| DAVIC | Digital Audio-Visual Council, a non-profit association aimed at promoting the success of digital audio-visual applications and services |
| DBS | Direct Broadcast Satellite, a new wireless solution to the transfer media of the broadband products. Digital broadcasts are received with a satellite dish. |
| DVB | Digital Video Broadcasting, a standard for digital video transmission |
| Extranet | TCP/IP based network with restricted access (usually larger user base than in intranet, e.g. company's employees and partners, suppliers, clients) |
| GSM | Groupe Speciale Mobile or Global System for Mobile communications, one of the currently dominant wireless telephone standards |
| H.323 | A standard for video conferencing technique |
| HMC | Helsinki Media Company, a large publishing house |
| HTV | Helsinki Televisio, Finnish cable TV operator in Helsinki metropolitan area |
| iNET TV | WebTV solution offered by Sonera Corporation |
| Intranet | TCP/IP based network with restricted access (e.g. company's internal network) |
| ISDN | Integrated Services Digital Network. Digital telephone network with some value added services |
| ITV | Interactive TV. The concept of a TV extended with interactive capabilities and services |
| KAMU | "Kansallinen multimediaohjelma", national multimedia programme headed by Tekes |
| KAMU10 | Codename for the project in which part of HTV cable network was digitalized |
| LAN | Local area network, a small network expanding over a couple of square kilometres at maximum |
| MPEG | Motion Picture Experts Group. A standardization organization for video and audio compression. Publishes standards that have the same name than the organization. |
| NC | Network Computer, a lighter version of the popular PCs for using network-oriented applications |
| NVOD | Near Video On Demand, a service where video material is available almost on demand (material starts at some predefine intervals) |
| PAL | Phase Alternate Line, a TV colour system standard that is used in Europe |
| PSTN | Public Switched Telephone Network, the oldest telecommunications network |
| SET | Secure Electronic Transactions, a new and still developing standard for secure digital cash transfers |
| Set-top box | A peripheral to extend the capabilities of a TV set so that interactive and digital services can be accessed |
| SP | Service provider, a company or organization in the telecommunications business that offers its customers certain services (e.g. access to Internet) |
| TCP/IP | Transmission Control Protocol / Internet Protocol, the fundamental protocol family of the Internet |
| Tekes | "Teknologian kehittämiskeskus", Technology development centre |
| UMTS | Universal Mobile Telephone System, a next-generation global mobile phone system standard |
| VOD | Video on demand (e.g. movies) |
| xDSL | Reference to variety of DSL (Digital Subscriber Lines) techniques such as ASDL (Asynchronous DSL) |
| WAN | Wide area network, a backbone network that unites many smaller networks (see LAN) offering a ultra-high-speed connection |