See outage.

For a supported performance parameter of a system, the value that establishes the minimum performance level at which the system is considered to remain in an operational state.
Note: A measured parameter value better than the outage threshold indicates that the system is in a system operational state.

The ability of a user to originate data calls via an ISDN. [T1.615-1992]

Multicast does not use standard destination based routing and instead relies on group membership protocols such as IGMP to help build the multicast distribution tree. Interfaces that have joined the multicast group are added to the OIF table in relation to the respective multicast group. Once added to the table, the network element will create a copy of each multicast… (Read More →)

The process of transmitting address information over a trunk from one switching center or switchboard to another.

1. Information retrieved from a functional unit or from a network, usually after some processing.
2. An output state, or sequence of states.
3. Pertaining to a device, process, or channel involved in the production of data by a computer or by any of its components.
4. Information that has been exported by a TCB [TCSEC].

Synonym radiation angle.

1. The expression of the stated power available at the output terminals of a transmitter when connected to the normal load or its equivalent.
2. Under specified ambient conditions, the expression of the power that can be delivered by a device over a long period of time without overheating.

1. In telephony, all cables, conduits, ducts, poles, towers, repeaters, repeater huts, and other equipment located between a demarcation point in a switching facility and a demarcation point in another switching facility or customer premises.
Note: The demarcation point may be at a distribution frame, cable head, or microwave transmitter.
2. In DOD communications, the portion of intrabase communications equipment… (Read More →)

See direct outward dialing.