PREEMPTION TONE


Meaning of PREEMPTION TONE in English

In military telephone systems, a distinctive tone that is used to indicate to connected users, i.e. , subscribers, that their call has been preempted by a call of higher precedence . Note: An example of preemption tone is a distinctive, steady, high-pitch tone transmitted for three seconds or until the preempted user hangs up. [ From Weik '89 ]

Telecommunication standard terms English vocab.      Английский словарь стандартных телекоммуникационных терминов.