ADSL: Asymmetrical Digital Subscriber Line. Mode of transmission that utilizes existing copper cable networks for services that require higher capacity in one direction than in the other, e.g. video-on-demand.
Analog: Term for radio transmission where the radio waves vary continuously in step with the voice.
ASP: Application Service Provider, provider who delivers applications.
ATM: Asynchronous Transfer Mode. ATM is a switching and transmission mode for high-speed services based on dividing the bit stream into cells of a fixed length (a given number of bits). An ATM-based network can carry voice, data and video.
Broadband: Transmission capacity with adequate bandwidth to transmit, for example, voice, data and video at the same time.
Call center: Functions that handle the outsourcing of customer service and switchboard services.
CPA: Content Provider Access.
CRM: Customer Relations Management.
CSP: Communications Service Provider, a provider who offers a broad range of communications services, including voice.
CSR: Corporate Social Responsibility, encompasses, for example , consideration for the external environment and society in general, as well as social conditions within the organization.
DAB: Digital Audio Broadcasting, i.e. digital radio.
Digital: Term for radio transmission where the voice signal is measured at regular intervals and the value of these measurements is transferred by the radio signal as numerical values (0 and 1).
DSMP: Directory System Multi Platform, a sfully integrated directory production system.
EBITDA: Earnings before interest, taxes, depreciation and amortization.
GPRS: General Packet Radio Services; packet-switched service that transmits data as packets with one address for each packet.
GSM: Global System for Mobile communications, Pan-European standard for digital mobile telephony.
ICT: Information and Communications Technology.
IP: Internet Protocol, protocol (standard) that represents the foundation for the Internet.
ISDN: Integrated Services Digital Network, term for a digital network that integrates several types of services – voice, text, data and images.
ISP: Internet Service Provider, provider who offers access to the Internet and basic services such as mail and web hosting.
NMT: Nordic Mobile Telephone, standard for analog mobile telephony developed in Scandinavia.
PSTN: Public Switched Telephone Network, term for the ordinary analog telecommunications network.
SMATV: Satellite Master Antenna TV, an independent cable network that has its own antenna and delivers television channels to more than 20 users. The network is owned by the users, and they have a non-exclusive agreement with the program supplier or operator.
SMS: Short Messaging Service, text messaging system in GSM.
UMTS: Universal Mobile Telecommunications System, term for the third generation mobile network.
VDSL: Very high-speed Digital Subscriber Line, mode of transmission that utilizes the existing copper cable network for services that require an extremely high capacity in one direction in relation to the other.
VPN: Virtual Private Network, business communication service in which geographically dispersed units with PABX and Centrex systems are connected in a corporate network via switched connections in the public telecommunications network.
VSAT: Very Small Aperture Terminal, satellite terminal with a small antenna mirror for business customers.
WAP: Wireless Application Protocol, standard that links GSM to the Internet.
xDSL: There are many references to DSL (digital subscriber line) technology where it is written as DSL. The letter x pops up because there is an entire family of DSL variants with different properties. ADSL is the most well-known (see the definition at the top of the glossary).
