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

Abbreviation for electronic switching system.

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.

Abbreviation for end-of-transmission-block character.

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 →)

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

Emergency Telecommunications Service

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 →)

European Telecommunications Standards Institute

Abbreviation for end-of-text character.