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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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BUTTERHOOK

butter – hook

Miscellaneous » Unclassified

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HUH

Height Under Hook

Miscellaneous » Construction

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HHMT

Howland Hook Marine Terminal

Miscellaneous » Unclassified

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FESH

Firefighter Escape Survival Hook

Miscellaneous » Unclassified

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HUV

Hook Up Virgin

Miscellaneous » Unclassified

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EHU

Electrical Hook Up

Academic & Science » Electronics

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HIHO

Hook In and Hold On

Miscellaneous » Unclassified

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RHC

Red Hook Criterium

Miscellaneous » Unclassified

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RHC

Red Hook Crit

Miscellaneous » Unclassified

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SAH

Safety Auto Hook

Miscellaneous » Unclassified

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WSPH

World's Smallest Political Hook

Governmental » Politics

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THMS

Turtle Hook Middle School

Community » Schools

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WHWH

William Hook Web Hosting

Miscellaneous » Unclassified

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THUD

The Hook Up Dinner

Miscellaneous » Unclassified

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APOH

Another Phone Off Hook

Miscellaneous » Funnies

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HIHO

Hook In Hold On

Miscellaneous » Unclassified

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HUC

Hook Up Commissioning

Miscellaneous » Unclassified

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OHF

Off Hook Factor

Miscellaneous » Unclassified

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PHU

Phone Hook Up

Miscellaneous » Unclassified

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HUST

Hook Up Selection Tool

Miscellaneous » Unclassified

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HLF

Hook Length Formula

Miscellaneous » Unclassified

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SHBO

Sandy Hook Bird Observatory

Miscellaneous » Observatories

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RPH

Rage Plugin Hook

Miscellaneous » Unclassified

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MHIC

Marcus Hook Industrial Complex

Miscellaneous » Unclassified

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RHU

Random Hook Up

Miscellaneous » Unclassified

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HJHS

Hook Junior High School

Community » Schools

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HHU

Home Hook Up

Miscellaneous » Unclassified

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SHP

Sandy Hook Promise

Miscellaneous » Unclassified

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HBBC

Hook Bridge Background and Claim

Miscellaneous » Unclassified

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PHU

Potential Hook Up

Miscellaneous » Unclassified

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FHU

Full Hook Up

Miscellaneous » Unclassified

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RHSC

Red Hook Soccer Club

Community » Clubs

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WOH

Weight on Hook

Miscellaneous » Unclassified

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HASU

Hook a Sista Up

Miscellaneous » Unclassified

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HHPT

Hook Of Hamate Pull Test

Miscellaneous » Unclassified

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RHAP

Red Hook Art Project

Miscellaneous » Unclassified

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SOHS

Secure Over Hook Sizers

Miscellaneous » Unclassified

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RHSC

Red Hook Soccer Club

Sports » Soccer

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RHRE

Red Hook Resource Exchange

Community » Non-Profit Organizations

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RHI

Red Hook Initiative

Miscellaneous » Unclassified

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TXTHU

Text Hook-Up

Computing » Networking

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WTHU

What's The Hook-Up?

Internet

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CH

Crochet Hook

Miscellaneous

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HABU

Hook A Brother Up

Internet » Chat

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RPMS

Real Player Message Hook

Computing » IT

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ROH

Receiver Off Hook

Computing » IT

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OHD

Off Hook Delay

Computing » IT

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OCA

Off-Hook Call Announce

Computing » IT

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THFR

Towing Hook Front and Rear

Miscellaneous » Automotive

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SHS

Sandy Hook Speedway

Miscellaneous » Automotive

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RTH

Rear Tow Hook

Miscellaneous » Automotive

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FTH

Front Tow Hook

Miscellaneous » Automotive

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EHU

Electric Hook Up

Miscellaneous » Automotive

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CHS

Cable Hook Stopper

Miscellaneous » Automotive

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CHH

Coat Hanger Hook

Miscellaneous » Automotive

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41171

Sandy Hook, KY

Regional » ZIP Codes

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DMH

Drop Mud Hook

Miscellaneous

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39478

Sandy Hook, MS

Regional » ZIP Codes

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TTHB

Tandem Two-Hook Beam

Academic & Science » Engineering

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23153

Sandy Hook, VA

Regional » ZIP Codes

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19061

Marcus Hook, PA

Regional » ZIP Codes

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TPRH

Turning Point Red Hook

Community » Non-Profit Organizations

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06482

Sandy Hook, CT

Regional » ZIP Codes

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JMH

Jess May Hook You Up

Internet » Chat

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12571

Red Hook, NY

Regional » ZIP Codes

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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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