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Acronyms that contain the term off-hook 

What does off-hook mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: off-hook.

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HU

Hook Up

Computing » Telecom

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OH

Off Hook

Computing » Telecom

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OTH

Off The Hook

Governmental » Law & Legal

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OTH

Off The Hook

Governmental » US Government

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ROH

Receiver Off Hook

Computing » Telecom

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QRH

Quick Release Hook

Governmental » Transportation

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HLS

Hook, Line, and Sinker

Internet » Chat

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HN

Hook Norton

Miscellaneous » Unclassified

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LGH

Launched Grapnel Hook

Governmental » Military

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SHS

Sandy Hook School

Community » Schools

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NHBW

National Hook-up of Black Women

Community » Non-Profit Organizations

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POH

Phone Off Hook

Computing » Telecom

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CHS

Captain Hook Syndrome

Medical » Syndromes

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FISH

Focus Inspiration Share And Hook

Miscellaneous » Unclassified

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IUH

Interchange Utility Hook

Computing » Software

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ADH

Article Display Hook

Business » Products

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WABH

Welcome Aboard Teak and Bronze Hook

Business » Products

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46N

Sky Park Airport, Red Hook, New York USA

Regional » Airport Codes

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FISH

Focus Inspire Share Hook

Miscellaneous » Unclassified

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HIHO

Hook In And Hang Out

Community

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NHUBW

National Hook-Up of Black Women

Community » Non-Profit Organizations

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HMU

Hook Me Up

Internet » Twitter

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HOTH

Hot Off The Hook

Internet » Websites

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HOP

Hook up Or Pass

Internet » Chat

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HUP

Hook-UP

Computing » Telecom

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What does off-hook mean?

off-hook
In telephony, on-hook and off-hook are two states of a communication circuit. On subscriber telephones the states are produced by placing the handset onto or off the hookswitch. Placing the circuit into the off-hook state is also called seizing the line. Off-hook originally referred to the condition that prevailed when telephones had a separate earpiece (receiver), which hung from its switchhook until the user initiated a telephone call by removing it. When off hook the weight of the receiver no longer depresses the spring-loaded switchhook, thereby connecting the instrument to the telephone line.

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    FICA
    A Federal Inspection and Contraband Act
    B Federal Insurance Contributions Act
    C Federal International Commerce Act
    D Federal Intervention and Corrections Administration

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