A network termination (also NTE for network termination equipment) is a device that connects the customer's data or telephone

Telephone

The telephone , colloquially referred to as a phone, is a telecommunications device that transmits and receives sounds, usually the human voice. Telephones are a point-to-point communication system whose most basic function is to allow two people separated by large distances to talk to each other...

 equipment to a carrier's line that comes into a building or an office. The NT device provides a connection for terminal equipment

Terminal equipment

In telecommunication, the term terminal equipment has the following meanings:* Communications equipment at either end of a communications link, used to permit the stations involved to accomplish the mission for which the link was established....

 (TE) and terminal adapter

Terminal adapter

- ISDN :In ISDN terminology, a terminal adapter or TA is a device that connects a terminal to the ISDN network.The TA therefore fulfills a similar function to the ones a modem has on the POTS network, and is therefore sometimes called an ISDN modem...

 (TA) equipment to the local loop

Local loop

In telephony, the local loop is the physical link or circuit that connects from the demarcation point of the customer premises to the edge of the carrier or telecommunications service provider's network...

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The network termination used in the specific case of an ISDN Basic Rate Interface

Basic rate interface

Basic Rate Interface is an Integrated Services Digital Network configuration intended primarily for use in subscriber lines similar to those that have long been used for plain old telephone service...

 is called an NT1

Network termination 1

Network Termination 1 : In Integrated Services Digital Networks , a functional grouping of customer-premises equipment that includes functions that may be regarded as belonging to OSI Layer 1, i.e., functions associated with ISDN electrical and physical terminations on the user premises.Note: The...

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