switch hook
1switch hook — noun : a hook provided with an insulating handle for opening and closing disconnecting switches …
2Hook 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… …
3switch on — (Roget s IV) v. Syn. turn on, start, hook up, complete the connection; see begin 1 …
41ESS switch — The Number One Electronic Switching System, the first large scale Stored Program Control (SPC) telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New Jersey, in May 1965[1]. The switching fabric… …
5Panel switch — The panel switching system was an early type of automatic telephone exchange, first put into urban service by the Bell System in the 1920s and removed during the 1970s. The Panel and Rotary systems were developed in parallel by Bell Labs before… …
6Off the Hook (TV series) — Off the Hook Format Situation comedy Written by Dean Craig Directed by Vadim Jean Andy de Emmony Starring Jonathan Bailey Danny Morgan James Buckley …
7off-hook — 1. In telephone operations, the condition existing when the receiver or handset is removed from its switch. 2. One of the two possible signaling states such as tone or no tone, ground connection or battery connection. 3. The active state …
8on-hook — 1. In telephone operation, the conditions existing when the receiver or handset is resting on the switch. 2. One of two possible signaling states such as tone or no tone, ground connection or battery connection. 3. The idle state (open… …
9telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… …
10GPO telephones — The United Kingdom s General Post Office (GPO) had a number of telephones that were provided by them for connection to their exchanges. Until 1982 the GPO had a monopoly on the provision of all telephones within the UK and so the range was… …
