Home > Term: automatic ringdown circuit
automatic ringdown circuit
A circuit providing priority telephone service, typically for key personnel; the circuit is activated when the telephone handset is removed from the cradle causing a ringing signal to be sent to the distant unit (s. ) See verified off-hook.
- Part of Speech: noun
- Industry/Domain: Telecommunications
- Category: General telecom
- Company: ATIS
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- KeithC3
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