Glossary:

ATIS Telecom Glossary

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Select a term name to open its entry and any media references. Longer definitions end with a “Read More” link.

ESNet

Emergency Services Network

ESNI

Emergency Services Network Interfaces

ESP

1. Ethernet Service Provider,
2. Encapsulating Security Payload,
3. Enhanced Subscriber Privacy.

essential service

A network-provided service feature in which a priority dial tone is furnished.
Note 1: Essential service is typically provided to fewer than 10 % of network users.
Note 2: Essential service is recommended for use in conjunction with NS/EP telecommunications services. Synonym critical service.

Ethernet

A standard protocol (IEEE
80
2. 3) for a 10-Mb/s baseband local area network (LAN) bus using carrier-sense multiple access with collision detection (CSMA/CD) as the access method, implemented at the Physical Layer in the ISO Open Systems Interconnection--Reference Model, establishing the physical characteristics of a CSMA/CD network.
Note 1: Ethernet is a standard for using various transmission media, such… (Read More →)

eTOM

1. Enhanced Telecom Operations Map,
2. Enhanced Telecommunications Operations Map.

ETS

Emergency Telecommunications Service

ETS Service User�s priority level

A number priority level from one to five where one has the highest priority for ETS. (Legacy GETS or, WPS, or NGN-PS) services and five has the lowest priority for ETS (Legacy GETS or, WPS, or NGN-PS) services. The Service User’s priority level for WPS is assigned to a Service User. Defined by the Federal Communications Commission in Report &… (Read More →)

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