An index of all the common telecoms terms, jargon and acronyms.

Telecommunications Glossary > E


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Echo Cancellation

A technique that allows for the isolation and filtering of unwanted signals caused by echoes from the main transmitted signal.

E-Links

Links that provide backup connectivity to the SS7 network in the event that the ‘home’ STPs are unreachable using the A-Links.

End Office

The location where carriers place telecom equipment closest to the customer. Typically this is where customers are provisioned. Class 5 switches are usually located here.

Equal Access

A condition where the local exchange access service offered by a carrier is made available in equal kind, quality and price to all long distance companies.

ESS – Electronic Switching System

One type of Lucent’s family of stored, programme-controlled central office switches.

ETSI – European Telecommunications Standards Institute

The European counterpart of ANSI, tasked with paving the way for telecommunications integration in the European community.

EWSD – Electronic Digital Switching System (English translation)

A switching system made by Siemens.

Exchange

Another term of switch, commonly used in the UK to refer to a single-housed control centre for telecommunications.


If you require any further information about any of the terms or information on our website, please call us on +44 (0)203 006 1170 or email contact@carritech.com.


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