1. In
telephone systems, treatment of a
user's
line or
trunk that is in trouble, or in a permanent
off-hook condition, by automatically disconnecting the line from the
switching equipment. (
188 )
2. In public telephone systems, a process that denies an attendant or other users the ability to reenter an established
connection.
3. In a telephone
circuit controlled by two voice-operated devices, the inability of one or both users to get through, either because of excessive local circuit
noise or because of continuous speech from either or both users. (
188 )
4. In mobile
communications, an arrangement of control circuits whereby only one receiver can
feed the
system at a time. (
188 )
Synonym receiver lockout system. 5. An arrangement for restricting
access to use of all, or part of, a
computer system.
Synonym protection.
