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A circuit ID is a company-specific identifier assigned to a data or voice network connection between two locations. This connection, often called a circuit, may then be leased to a customer referring to that ID. In this way, the circuit ID is similar to a serial number on any product sold from a retailer to a customer.
The ISDN Services User Part Circuit Identification Code (CIC) is part of the Signaling System #7 which is used to set up telephone calls in Public Switched Telephone Networks [1] as part of the Initial Address Message (IAM).
Automatic number identification (ANI) [1] [2] is a feature of a telecommunications network for automatically determining the origination telephone number on toll calls for billing purposes. Automatic number identification was originally created by the American Telephone and Telegraph Company (AT&T) for long distance service in the Bell System ...
Local exchange carrier (LEC) is a regulatory term in telecommunications for the local telephone company.. In the United States, wireline telephone companies are divided into two large categories: long-distance (interexchange carrier, or IXCs) and local (local exchange carrier, or LECs).
When sent using the services of the Signalling Connection Control Part, ISUP messages passed to SCCP in the User Data parameter (NSDU) consist of only the last 4 components (Message Type, Mandatory fixed part, Mandatory variable part, Optional part). The routing label and circuit identification code are not included in the user data passed to ...
Each carrier (interexchange or local exchange) is assigned a four-digit identification code, the carrier identification code (CIC) which was used with feature groups. The interexchange carrier to which calls from a subscriber line are routed by default is known as the presubscribed interexchange carrier ( PIC ).
An automatic number announcement circuit (ANAC) is a component of a central office of a telephone company that provides a service to installation and service technicians to determine the telephone number of a telephone line. The facility has a telephone number that may be called to listen to an automatic announcement that includes the caller's ...
Customer proprietary network information (CPNI) is the data collected by telecommunications companies about a consumer's telephone service. [1] It includes the time, date, duration and destination number of each call, the type of network a consumer subscribes to, and certain other information that appears on the consumer's telephone bill. [2]