Technical Terms



backbone bandwidth
base station oit blended ARPU blended MOU per
SUbscription broadband BSC BTS
CDMA Second generation or 2G refers to the digital wireless communications system which uses circuit switching technology. GSM is one of the most widely used 2G mobile systems
Third generation digital wireless communications system which uses both circuit and packet switching technology and offers higher speed data transmission rates (between 64kbps to 384kbps) than those available under 2G. W-CDMA and CDMA2000 are 2 of the leading 3G technologies
Point at which entry is gained into a circuit or a network interconnection; may be switched or dedicated
Advanced data services
Asymmetric Digital Subscriber Line; a digital subscriber line of copper loop enhanced technologies, which is asymmetric, providing faster transmission rates downstream than upstream. It is suited to fast internet access where requests for web pages and e-mail generally require less bandwidth than the receipt of multimedia and web pages
The radio interface between a mobile device and a base station
A method of storing, processing and transmitting information through the continuous variation of a signal
Average revenue per user; the average revenue per user is the average of the monthly revenue per SUbscription in a period, each calculated by dividing (i) the monthly revenue (net of rebates) less roaming partner revenue and non-recurring fees by (ii) the monthly average number of active subscriptions
Part of the communications network that provides transmission connection between switches
The information carrying capacity of a communications channel expressed in the form of rate of data transfer (bits per second or multiples of it)
A transceiver station located within a cell used for communication between mobile devices within the cell and a BSC or MSC
The smallest amount of information that can be transmitted, representing a 1 or O. It is the basic unit for data communications
Blended ARPU for postpaid (including wireless broadband) and prepaid segment
Blended MOU for the prepaid and postpaid segment (excluding wireless broadband)
Transmission capacity having a bandwidth greater than 256kbps; capable of high-speed data transmission
Base Station Controller; in a mobile network, the BSC controls several base station and handles call mobility and management
Base Transceiver Station; radio equipment contained in a base station that is used for transmitting and receiving signals to and from a mobile device within a single cell
Code Division MUltiple Access; a digital wireless transmission technology based on continuous digital transmission using coding sequences to mix and separate voice and data signals. CDMA allows more than one user to simultaneously occupy a single radio frequency band with reduced interference
churn rate

circuit switching

DIA domain name DPLC DSL
e-EDGE ETSI FDD fibre optic
frequency Code Division Multiple Access One; a CDMA technology developed in the United States for 2G mobile systems
Code Division Multiple Access 2000; a CDMA technology being developed in the United States for 3G mobile systems. CDMA2000 is designed to be backward compatible with CDMA One
The basic geographical unit of a cellular mobile system; represents the radio frequency coverage area in the mobile system resulting from operation of a single mUltiple channel set of base station frequencies
A unique radio frequency that is used for communication between subscriber units and cell site base stations
The termination of service by subscribers, both voluntary and involuntary
The average of the monthly churn rates in a financial year, each calculated by dividing (i) the monthly termination of subscribers by (ii) the monthly average number of total subscribers
A method of transmitting voice or data which involves setting up a call or connection using switches and reserving the circuit for such use until the call or connection is terminated
Calling Line Identification Presentation
Calling Line Identification Restriction
Calling Party Pays; a billing and settlement system where the calling party is charged for the calls made
Circuit Switched Data; the transmission of data using circuit switching technology
Digital Enhanced Cordless Telecommunications; an ETSI standard for digital portable phones (cordless home telephones), commonly used for domestic or corporate purposes. It is recognised by the ITU as fulfilling the IMT-2000 (International Mobile Telecommunications-2000) requirements and therefore qualifies as a 3G system. Within the IMT­2000 group of technologies, DECT is referred to as IMT-2000 Frequency Time (IMT-FT)
I)edic”l+od internet access
A unique name which identifies a website on the internet
Domestic Private Lease Circuits
Digital Subscriber Line; a family of digital transmission technology that provides high bandwidth bi-directional transmission over standard twisted copper wires (regular telephone lines)
Digital Video Broadcasting -Handheld; a technical specification for bringing broadcast services to mobile handsets
Enhanced Data for GSM Evolution
European Telecommunications Standard Institute
Frequency Division Duplex
A means of prOViding high-speed data transmission using light to send signals through glass fibres
The number of cycles per second, measured in hertz, of a periodic oscillation or wave in radio wave propagation
Gbps 1 billion bits per second
GHz Gigahertz; 1 billion cycles per second
GMSC Gateway Mobile Switching Centre; a main mobile sWitching centre that connects a mobile network to other fixed and mobile networks
GPRS General Packet Radio Service, that supports packet switching rates than 2G an enhancement of the GSM system and higher speed data transmission
GSM Global System for Mobile communications; one of the most widely used standards for mobile communications, initially developed to standardise the use of mobile technology in Europe
HLR Home Location Register; a database in a mobile network which records information relating to the subscriber
HSBB High speed broadband
HSDPA High Speed Downlink Packet Access; an extension to 3G that provides downlink data speeds in excess of standard 3G
HSIA High Speed Internet Access
HSPA High Speed Packet Access
HSUPA High Speed Uplink Packet Access; an extension to 3G that provides uplink data speeds in excess of standard 3G
IDD International Direct Dialling
IN The IN is an intelligent network; the primary aim of the IN is to enhance the core telephony services offered by traditional telecommunications networks. The intelligence is provided by network nodes owned by telecommunications operators, as opposed to solutions based on intelligence in the telephone equipment, or in internet servers provided by any part. The IN is based on the ITU specified protocols between telephone network switching centers and other network nodes owned by network operators.
internet The interconnection of servers worldwide that provides communications and application services to an international base of business, consumer’s, ecJul,;Cltion, research, government and other vrganisaiions
IP Internet Protocol; a standard that keeps track of network addresses for different nodes, routes outgoing messages, and recognises incoming messages
IPLC International Private Leased Circuits; a point-to-point private line used for internet access, business data exchange, Video conferencing and any other form of telecommunications to communicate inter-offices internationally
ISDN Integrated Services Digital Network; to provide integration of voice, data and other services on one fixed sUbscriber line
ISP Internet Service Provider; customers an entity that provides internet access to
IT Information technology
kbps 1 thousand bits per second
LAN Local Area Network; a short distance data communications network (usually within a building)

local loop
m­mbps Metro-E MHz microwave transmission MMS MNP mobile internet
MVNO network
NFC NOFN NSS packet switching
POTS The copper wires that extend from the local exchange or node to the homes or offices of users. In most countries, the last mile is controlled by the incumbent fixed line operator
The communications lines/services between the telephone subscriber and the telephone company switching centre Mobile 1 million bits per second Metro-Ethernet Megahertz; 1 million cycles per second A means of transmitting signals through between 2 locations Multimedia Messaging Services
Mobile Number Portability Gaming access to browser-based internet services such as the world wide web and wap using a mobile phone
A device or programme that enables the computer to transmit data over telephone lines. To achieve this, the modem has to convert between analogue and digital forms of transmission
Minutes of use; the average total (incoming and outgoing) minutes of use per SUbscriptions being the average of the total minutes per subscriptions in a financial year, each calculated by dividing the monthly total minutes by the monthly average number of active subscriptions
Multi Protocol Label Switching; a mechanism in high-performance telecommunications networks which directs and carries data from 1 network node to the next.
Mandatory Standard on Access Mandatory Standard on Access Pricing Mobile Switching Centre; a switching centre in a mobile network that
keeps track of users, processes calls and routes calls to users through the BSCs

.”,…. ‘,
Mobile Virtual Network Operator
A group of 2 or more computer systems or telecommunications elements linked together
Near Field Communication
National Optic Fibre Network; Maxis’ national fibre optic backbone
Network SWitching Subsystem of the GSM standard
A method of transmitting voice, data and video using a data network. Unlike the PSTN which uses circuit switching, packet switched networks do not reserve a circuit between end points. Instead they break up messages or files into small packets. Each message packet may take a different route from origin to destination, travelling along network circuits that are shared with packets from other messages
A website or service that offers a broad array of resources and services, such as emails, forums and search engines
Plain old telephone service; refers to the standard telephone network
xxiv PSTN
real-time ringbacktone roaming server SIM
W-CDMA The conventions used in a network for establishing communications comparability between terminals and for maintaining the line discipline while they are connected to the network
Public Switched Telephone Network; a fixed telephone network system based on copper wires carrying analogue voice data
Radio Access Network; a part of a mobile telecommunication system. It implements a radio access technology between a mobile phone and a core network
Systems that respond to input immediately
It is the ring tone that is heard on the telephone line by the calling party after dialing and prior to the call being answered at the receiving end
When mobile subscribers leave their own mobile carrier’s home network and move on to other mobile operators’ networks
A shared computer on a LAN that provides services to other computers in the network
Subscriber Identity Module; an electronic card which stores the subscriber identity information and authentication key which identifies the subscriber to a network
Short Message Service; a service whereby mobile telephone users may send text messages. In GSM systems, a text message can have a maximum of 160 characters
A programmable network switch that can process the signaling for all types of packet protocols. Using network processors at its core, softswitches can support IP, DSL, Asynchronous Transfer Mode and frame relay in the same unit
A sophisticated computer in a telephony network or data communications network that connects networks automatically in response to signals that are carried to it
Time division duplex
A group of circuits that carry call traffic in and out of the switch
Unstructured Supplementa”ry Service Data; a GSM communication technology used to send text between mobile phones and applications programmes in a network
Visitor Location Register; a database in a mobile network which stores geographical locations of users which are temporarily within a MSC’s coverage
Very Small Aperture Terminal; a small earth station for transmission of data by satellite
Wireless Application Protocol; an open, global protocol that is designed to send web pages to wireless devices and allow users to access information instantly
Wireless Application Protocol through SIM Toolkit; a platform that allows users to access WAP based content as SMS through the use of SIM card menus
Wideband Code Division Multiple Access; a COMA technology adopted by the ETSI for 3G mobile systems and is designed to be backward compatible with the GSM standard
wireless broadband
xDSL Worldwide Inter-operability for Microwave Access, which is a telecommunications technology aimed at providing wireless data over long distances in a variety of ways, from point-to-point links to full mobile cellular type access. It is based on the IEEE 802.16 standard (a series of standards authored by the Institute of Electrical and Electronics Engineers), which is also called WirelessMAN
Broadband SUbscriptions for internet access on computers via wireless modems only. This does not include any internet access on mobile phone screens
World wide web; a worldwide network of servers that uses a special communications protocol called the hypertext transport protocol (“HTTP”) to link different servers throughout the internet and permits communication of graphics, video and sound
A family of DSL technology using copper loop enhanced technologies used for high speed data transmission over copper telephone wires. ‘x’ represents different kind of DSL technologies, such as ADSL and Symmetrical Digital Subscriber Line (“SDSL”)
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