A service feature in which call data on a specific telephone extension or group of subscribers are collected and recorded for cost-of-service accounting purposes.

1. The time between (a) the instant a connection, i.e., off-hook condition at each end, is established between the call originator and the call receiver and (b) the instant the call originator or the call receiver terminates the call.
2. In data transmission, the duration of the information transfer phase of an information transfer transaction.

A service feature, available in some switching systems, whereby calls can be rerouted automatically from one line, i.e., station number, to another or to an attendant.
Note: Call forwarding may be implemented in many forms.

CG is a code control that regulates the maximum rate at which calls are released toward a destination code. Equipment vendors commonly provide the capability to Call Gap at intervals of
0. 10 to 600 seconds on a range of numbers from three (3), six (6), or seven (7), through ten (10) digits.

A service feature in which a user may retain an existing call while accepting or originating another call using the same end instrument.

A network utility that consists of a name assigned by the originating network for each established or partially established virtual call.
Note: When a call identifier is used in conjunction with the calling data terminal equipment (DTE) address, the call identifier uniquely identifies the virtual call.

Synonym traffic intensity.

1. In telegraphy, route selection, signaling, and circuit usage and availability for a call.
2. In universal personal telecommunications, the ability of a user to inform the network how to handle incoming calls in accord with certain parameters, such as the call originator, the time of day, and the nature of the call.
Note: Call management is accomplished by means… (Read More →)

An entity, such as a person, equipment, or program that originates a call. Synonym calling party.

A service feature of some switching systems enabling a user, by dialing a predetermined code, to answer incoming calls that are directed to another user in a preselected call group.