on-hook signal

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• Hook 'em Horns — is the slogan and hand signal of The University of Texas at Austin. Students and alumni of the university employ a greeting consisting of the phrase Hook em or Hook em Horns and also use the phrase as a parting good bye or as the closing line in… …   Wikipedia

• Hook flash — (sometimes labeled flash ) is a button on a telephone that simulates quickly hanging up then picking up again (a quick off hook/on hook/off hook cycle). This action can signal the telephone exchange to do something. A common use of hook flash is… …   Wikipedia

• Hook — [hʊk], der; s, s [engl. hook, eigtl. = Haken] (Golf): Schlag, bei dem der Ball in einer der Schlaghand entgegengesetzten Kurve fliegt. * * * Hook   [englisch/amerikanisch, huk; wörtlich »Haken«], auch Hookline, kurze markante melodische Figur,… …   Universal-Lexikon

• Hook turn — A hook turn is a traffic control mechanism where cars that would normally have to turn across oncoming traffic are made to turn across all lanes of traffic instead. Hook turns are relatively rare, but can be used to improve the flow of through… …   Wikipedia

• hook up — verb a) to assemble the parts of a mechanism, especially by connecting wires. b) to connect to a power supply or a signal source …   Wiktionary

• disconnect signal —    The on hook signal by which the calling and called stations notify the switching equipment that an established connection is no longer needed and should be released. See also clear forward/clear back signal …   IT glossary of terms, acronyms and abbreviations

• connect signal —    An off hook signal transmitted forward which indicates a trunk seizure …   IT glossary of terms, acronyms and abbreviations

• Off-hook tone — The off hook tone (also receiver off hook tone or off hook warning) is a telephony signal used to alert a user that the telephone has been left off hook for an extended period, effectively disabling the telephone line. See permanent signal.… …   Wikipedia

• Permanent signal — (PS) in US telephony jargon, or Permanent Loop in British usage, is a condition in which a POTS line is off hook without connection for an extended period of time. This is indicated in modern switches by the silent termination after the off hook… …   Wikipedia

• Telephone hook — A telephone hook or switchhook is the cradle where a telephone handset resides. It takes its name from old wooden wall telephones, where the mouthpiece was usually mounted on the telephone box and the receiver was separate, on a cable. When the… …   Wikipedia

• Landing Signal Officer — Landing Signal Officers (LSOs) are naval aviators specially trained to control the approach and landings of airplanes aboard aircraft carriers. Paddles In the U.S. Navy, aircraft carrier operations began with USS Langley (CV 1) in 1922. Langley s …   Wikipedia