Class Telecommunications

Glossary

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Displaying 1 - 10 of 88 Terms

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1. ADSL

   Asymmetrical Digital Subscriber Line - A telephone line with uneven transmission rates; half the transmission can attain speeds up to 640 kbps; the other half can attain speeds of 2.048 Mbps or greater in the opposite direction.

2. API

   A set of routines that an application uses to request and carry out lower-level services performed by a computer's operating system.

3. ASP

   A specification that enables Web pages to be dynamically created using HTML, scripts, and reusable ActiveX server components.(ActiveX are software components from Microsoft. They enable sound, Java applets and animations to be integrated in a Web page.)

4. ATA

   Analogue Terminal Adaptor - A device that converts the analogue signals from a conventional phone into a format acceptable for transmission over an internet connection, and vice versa at the receiving end.

5. ATM

   A method of sending audio, visual and computer data at the same time over one high-speed digital line

6. Backhaul

   A wholesale service which provides capacity between an LLU operator’s equipment at a BT local exchange and an operator’s point of interconnection with BT’s network.

7. Bandwidth

   The physical characteristic of a telecommunications system that indicates the speed at which information can be transferred. For ADSL, speeds of up to 8 Mb/s are currently offered, 2 Mb/s is sufficient to transmit a video signal. Technologies such as VDSL offer the possibility of providing data rates of up to 15 Mb/s.

8. BCA

   BT Service using copper wires

9. BRAS

10. CDR

    is a record containing information relating to a single call or session

Displaying 1 - 10 of 88 Terms

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