1. Synonym central office.
2. A central office serving primarily as a place of termination for subscriber lines and for providing telephone service to the subscribers on these lines. [47 CFR Pt.36-A]

A communications circuit between a technical control facility and selected terminal or repeater locations within the communications complex.
Note: In multichannel radio systems, the local orderwire is usually a handset connection at the radio location.

A local number, unambiguously identifying an SCCP (signaling connection control part) connection within one SCCP entity. [T1.110-1987]

That part of the security domain of a system which is under the control of the System Manager [CESG]. See also: Electronic Security Environment, Global Security Environment.

The portion of a device that is connected to internal facilities, such as switches, patch panels, test bays and supervisory equipment.

A description of a cultural environment [POSIX.0].

The process of utilizing the internationalization features to create a version of a product for a specific culture [POSIX.0].

Location by Reference refers to the mechanism to deliver a location reference URI in a message header of the call request (SIP INVITE) that is used to obtain location information (e.g., by the PSAP).

Location by Reference refers to the mechanism to deliver a location reference URI in a message header of the call request (SIP INVITE) that is used to obtain location information (e.g., by the PSAP).

Location by Value refers to the mechanism to deliver the caller’s location to the PSAP within the message body of the call request (SIP INVITE).