UK Telecoms and ICT Index and Links - D
- DATA PROTECTION
- DATA STORAGE
- DATACONFERENCING
- DDI - Direct Dialing In
- DECT - Digital European Cordless Telecommunications
- DIAL-UP
- DIEL - Advisory Committee for Disabled and Elderly People
- DIGITAL
- DIRECTORY ENQUIRIES
- DISCUSSION FORUM
- DISINTERMEDIATION
- DOMAIN NAME
- DSLAM
| external links: | Data protection and the Internet the original Internet specific info has been removed but here are the principles Data Protection Commissioner |
| information sheets: | Keeping it legal: the Internet and the law Update and clean mailing lists |
| features: | Making security part of the strategic game plan |
| related index entries: | FAX PREFERENCE SERVICE TELEPHONE PREFERENCE SERVICE |
| information sheets: | Storing and transferring your data |
DATACONFERENCING
Where typed messages are transferred over the Internet in (near to) real time and all parties conference simultaneously. Examples include chat rooms and application sharing in the business context.
DDI - Direct Dialing In
A facility enabling callers to dial exchange line numbers which connect them direct to extensions on a PBX without going through an operator.
| features: | Building a customer relationship management strategy |
| related index entries: | CALL MANAGEMENT MSN - Multiple Subscriber Numbering |
DECT - Digital European Cordless Telecommunications
A Europe-wide standard for digital fixed wireless telephony, used for cordless extensions to PBXs and home cordless telephony.
| external links: | Intellect (an amalgamation of the Federation of the Electronics Industry FEI and the CSSA) The 'voice of the industry' with good links to information about mobile health issues among other techie stuff. |
| information sheets: | Introduction to telecoms technologies What are cordless and DECT phones? |
| features: | Mobile phone health risks |
| related index entries: | CORDLESS TELEPHONE WIRELESS TELEPHONY |
DIAL-UP
Usually used to denote the standard connection to an Internet Service Provider using a modem, but more generally a non-permanent connection between two computers or networks achieved over the public telephone network by dialing the telephone number of the device the remote computer/network is connected to.
| information sheets: | Getting connected to the Internet |
| features: | Battle of the Bandwidths Broadband - a Guide for Small Businesses |
| related index entries: | CONNECTIVITY |
DIEL - Advisory Committee for Disabled and Elderly People
Committee set up in 1984 to advise Oftel on the particular interests and needs of consumers who are elderly or disabled. Awaiting revival under Ofcom.
| external links: | DIEL (Advisory Committee for Disabled and Elderly People) Advisory Committee for Disabled and Elderly People became defunct after Oftel was absorbed by Ofcom |
| related index entries: | ACTs - Advisory Committees on Telecommunications |
DIGITAL
Digital data is the coded representation of a waveform as binary digits. All computer data is digital - hence anything that can be broken down into digits, including sound and video as well as text and graphics, can be processed by a computer or transmitted via a digital phone line. Digital connections are faster than analogue and offer higher capacity. Examples include ISDN and GSM.
| related index entries: | ANALOGUE |
DIRECTORY ENQUIRIES
A telephone service which can provide a telephone number if you have the name and address of the subscriber and they are not ex-directory.
| external links: | Oftel guide to Directory Enquiries services The Guardian Online report The Guardian reports on Directory Enquires services and costs |
| FAQs: | What has happened to Directory Enquiries on 192? |
DISCUSSION FORUM
A conference area on a website where users can post messages giving information on any subject, such as product releases and industry developments.
| information sheets: | Using the Internet as a virtual community |
| related index entries: | VIRTUAL COMMUNITY |
DISINTERMEDIATION
Used to describe the elimination of intermediaries from a business process, often in service industries, where a company makes transactions directly with its customers. Examples include airline companies selling tickets direct to passengers over the Web, and the replacement of bank branches with online banking.
| related index entries: | E-COMMERCE or ELECTRONIC COMMERCE |
DOMAIN NAME
Technical name for website and e-mail addresses. Domain names are unique and must be registered.
| external links: | NetNames Domain name registration and management Nominet the UK registry for all .uk domain names Register.com domain name registration and web hosting UK2net domain name registration, hosting, colocation and managed server leasing Ukreg Domain name registration and hosting |
| information sheets: | Registering your domain name Using e-mail in your business |
DSLAM
A digital subscriber line access multiplexer (DSLAM) delivers exceptionally high-speed data transmission over existing copper telephone lines. A DSLAM separates the voice-frequency signals from the high-speed data traffic and controls and routes digital subscriber line (xDSL) traffic between the subscriber's end-user equipment (router, modem, or network interface card [NIC]) and the network service provider's network.
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