alerting signal

alerting signal

[ə′lərt·iŋ ′sig·nəl]
(communications)
Specific signal that is applied to subscriber access lines to indicate an incoming call.
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References in periodicals archive ?
Your body runs on an internal clock, which you can think of as the balance between an alerting signal and sleep drive, as shown in an interactive chart from the sleep division at the Harvard Medical School.
His goal is to establish an appropriate alerting signal and on-the-spot information to safeguard the lives of both the public and fire-fighting personnel during fire emergencies.
It also features five programmable signal generators (levels, frequency, duration and twist) permit testing of DTMF, Call Progress, and CPE Alerting Signal (CAS).
Human speech interferes with the ability of Caller ID on Call Waiting equipment to properly detect or interpret the CPE Alerting Signal (CAS) of an incoming telephone call.
During the day, the region of the brain that controls the body's circadian clock, which in part controls sleep cycles, sends out potent alerting signals.