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Glossary of electronic communication and postal services
Glossary of electronic communication and postal services
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Email
System for sending messages in electronic format, which enables the user to send a message almost instantaneously through a communications network to one or more people all over the world (the message may include text, voice, images and video). The equipment used to access an electronic mailbox may be, for example, a computer, a television or a mobile phone. Normally, email users have an ''inbox'' on the network where the other users can send messages to be recovered by the receiver. The network used for the transmission may be the internet, a local network or others.
Earpiece Monitoring
Miniature receptors with earpieces for personal monitoring of one or two sound tracks.
18.08.2008
Earth Exploration-Satellite Service
In portuguese, Serviço de Exploração da Terra por Satélite (EXP-S). A radiocommunication service between earth stations and one or more space stations, which may include links between space stations, in which: - information relating to the characteristics of the Earth and its natural phenomena, including data relating to the state of the environment, is obtained from active sensors or passive sensors on Earth satellites; - similar information is collected from airborne or Earth-based platforms; - such information may be distributed to earth stations within the system concerned; - platform interrogation may be included. This service may also include feeder links necessary for its operation.
19.08.2008
Latest update: 10.12.2009
Latest update: 10.12.2009
e-Commerce
Purchase or sale of goods/services, making use of electronic communication systems and technologies, particularly the Internet.
06.08.2008
EDGE - Enhanced Data Rates for GSM/DCS Evolution
Evolution of the GSM systems which allows for transmission at speeds of up to 384 Kbps.
08.08.2008
EDI - Electronic Data Interchange
Electronic transfer of data (namely related to the process of ordering, invoicing and payments) through public communication networks. The technology used is similar to email but uses a higher level of security. EDI operators use computers which perform the necessary centralised processing.
08.08.2008
Electromagnetic Compatibility
Where the electromagnetic characteristics of a piece of equipment or a device are engineered in such a way as not to interfere with other nearby equipment.
06.08.2008
Electronic Communications Network
Transmission systems and, where applicable, switching or routing equipment and other resources which permit the conveyance of signals by wire, by radio, by optical or by other electromagnetic means, including satellite networks, fixed (circuit- and packet-switched, including Internet) and mobile terrestrial networks, electricity cable systems, to the extent that they are used for the purpose of transmitting signals, networks used for radio and television broadcasting, and cable television networks, irrespective of the type of information conveyed (Law no. 5/2004 of 10 February).
31.12.2008
Electronic Communications Services
Service normally provided for remuneration which consists wholly or mainly in the conveyance of signals on electronic communications networks, including telecommunications services and transmission services in networks used for broadcasting, without prejudice to the exclusion referred to in point b) of paragraph 1 of article 2 (Law no. 5/2004 of 10 February).
31.12.2008
Electronic Communications Universal Service
The minimum set of services, defined in the Electronic Communications Law (Law no. 5/2004 of 10 February), of a specified quality, which is available to all users regardless of their geographical location and, in the light of national conditions, at an affordable price.
15.09.2008
Electronic Data Interchange (EDI)
Electronic transfer of data (namely related to the process of ordering, invoicing and payments) through public communication networks. The technology used is similar to email but uses a higher level of security. EDI operators use computers which perform the necessary centralised processing.
28.10.2010
Electronic Mail Box
Part of a computer's memory, reserved for the reception and storage of electronic mail messages.
06.08.2008
Electronic News Gathering (ENG)
Set of video and/or audio equipment without use of film or recorders, which uses small electronic cameras and/or microphones, and radioelectric connections to news studios.
28.10.2010
Electronic Programming Guide (EPG)
Software which extracts data from programmes and presents it in the form of an on-screen guide, used for example in digital television. The guide presents information about current and future programming on each channel. The users may also use the on-screen menus to order pay-per-view services or access interactive services.
28.10.2010
Electronic Signature
Result of an electronic data process that can constitute an object of individual and exclusive right and be used as a means of ascertaining the author of an electronic document to which it has been attached, in such a way that: i) It provides unequivocal identification of the document's author; ii) Its addition to the document depends only on the will of the title holder; iii) Its connection with the document enables detection to all alterations made to its content.
06.08.2008
08.08.2008
email Address
Identification of a determined Internet user for the purpose of exchanging email. It is generally made up of one or more names, separated by points, followed by the symbol ''@'' then by the server address to which it is connected for this purpose.
08.08.2008
Emission
Sending of energy through external means, in the form of electric currents or electromagnetic waves, which carry information.
08.08.2008
EMS - Enhanced Message Service
Technology which allows mobile users to send and receive text, images, animations and sound.
08.08.2008
Emulation
The simulation of one piece of equipment by another. A personal computer can simulate a terminal, in relation to a central system.
08.08.2008
Encoding
Used with respect to telecommunications to mean the process of converting information to a format suitable for the transmission channel used, so that the information can be converted back to its initial format later. A television signal may be encoded in analogue format (PAL or NTSC for example) or digital format (MPEG-2 or MPEG-4 for example).
06.08.2008
Encoding/compression
Expression frequently used when encoding and compression operations are carried out in a single component, normally called an encoder, such as, for example, in the case of digital encoding MPEG-2.
06.08.2008
Encryption (scrambling)
The process of making a determined flow of information unintelligible for all who do not possess the appropriate key. This process is also often known as encoding.
08.08.2008
ENG - Electronic News Gathering
Set of video and/or audio equipment without use of film or recorders, which uses small electronic cameras and/or microphones, and radioelectric connections to news studios.
08.08.2008
Enhanced Broadcasting
Television services which include interactive applications, with access to diverse multimedia information.
08.08.2008
Enhanced Data Rates for GSM/DCS Evolution (EDGE)
Evolution of the GSM systems which allows for transmission at speeds of up to 384 Kbps.
28.10.2010
Enhanced Message Service (EMS)
Technology which allows mobile users to send and receive text, images, animations and sound.
28.10.2010
Entry Box
Box located at the internal end of the cable entrance and where, as a rule, derivation or connecting devices are stored, for the interconnection of the collective cable network to the entry cable.
06.08.2008
Entry Box for Detached Houses
In portuguese, Caixa de Entrada de Moradia Unifamiliar (CEMU). Box used in detached houses, for the storage of derivation or transition devices. This box makes the transition between public telecommunication networks and individual cable networks.
06.08.2008
Entry Cable
Cable which extends the public distribution network to the building's cable network (this cable is connected to the primary or the entrance of the main distribution frame of the building or private block of the subscriber). When the distribution point is situated inside the building, the entry cable is partly integrated with the public distribution network. When the distribution point is situated outside the building, the entry cable is partly integrated with the intermediary network.
06.08.2008
EPG - Electronic Programming Guide
Software which extracts data from programmes and presents it in the form of an on-screen guide, used for example in digital television. The guide presents information about current and future programming on each channel. The users may also use the on-screen menus to order pay-per-view services or access interactive services.
08.08.2008
ERC - European Radiocommunications Committee
Replaced by the ECC - Electronic Communications Committee.
08.08.2008
Erlang
Unit to measure the volume of traffic corresponding to the number of calls in course simultaneously at a given moment or an average taken over a given period of time.
08.08.2008
Ethernet
Type of local network (LAN). Also describes the type of cable and method of access.
08.08.2008
European Radiocommunications Committee (ERC)
Replaced by the ECC - Electronic Communications Committee.
28.10.2010
Extranet
Area of an Intranet which can be accessed externally by means of authorised entry.
08.08.2008
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Services and Useful Information
Tenders for the selection of provider(s) of universal service of electronic communications |
Consultation on the draft decision on billing and collection of penalties applied to the beneficiaries of the Reference Poles Access Offer of PTC - comments until 21.06.2013 |
ANACOM Conference 2013 - Financing the future, 01.07.2013 |
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World Radiocommunication Conference 2015 (WRC-15), Geneva, 2-27.11.2015 |
ARCTEL-CPLPhttp://www.arctel-cplp.org/ |
Positions, clarifications and statements issued by ANACOM between 2004 and 2013 |
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Access the services which we provide electronically |
FAQ on Audiotext, Digital Terrestrial Television - DTT, International Roaming, Licences for land mobile service private radiocommunications networks, Local Loop Unbundling, Message-Based value Added Services, National Numbering Plan, Operator Portability, R&TTE Regulatory Framework, Telephone Service at a Fixed Location and Universal Service, VoIP |
