Multi-access portal
A service that provides Web access from a range of different devices such as mobile, fixed¹ and cable television devices.

PDA
Personal Digital Assistant - devices such as personal organisers (e.g. Palm and iPAQ).

Portal
A gateway² or entry point to the Internet incorporating significant functionality such as search engines, news alerts and personal preferences that enable users to access the data they want from the Web from a central point.

Prepay customer
A customer who does not have a written contract and buys his/her talk time in advance, by purchasing vouchers³ from retail⁴ outlets⁵ for example. See Contract Customer.

Roaming
The facility for a subscriber⁶ to use his/ her mobile for both outgoing and incoming calls on any other network, in the same or another country, that has entered into a commercial roaming agreement with the subscriber's home network

Short code access
Codes to enable users to access services such as answerphones without having to dial a full number.

SMS or text messaging
Short Message Service. A service which enables mobile telephone users to send and receive text messages on their handsets.

Spectrum
A specific frequency range.

TDMA
Time Division Multiple Access - a generic⁷ term for a type of digital mobile telephony technology including GSM.

UMTS
Universal Mobile Telecommunications System. Also known as 3G, the third generation digital standard for mobile telecommunications