Lockout (telecommunication)
- Lockout (telecommunication)
In telecommunications, the term lockout has the following meanings:
# In telephone systems, treatment of a user's line or trunk that is in trouble, or in a permanent signal condition, by automatically disconnecting the line from the switching equipment. Also called make busy.
# In public telephone systems, a process that denies an attendant or other users the ability to reenter an established connection.
# In a telephone circuit controlled by two echo suppressors or similar 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.
# In mobile communications, an arrangement of control circuits whereby only one receiver can feed the system at a time. "Synonym": receiver lockout system.
#An arrangement for restricting access to use of all, or part of, a computer system. "Synonym": protection.
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