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In middle 20th century telephone jargon, the first telephone on a line was a "Main Station" and subsequent ones "Extensions" or even called as intercom. Such extension phones allow making or receiving calls in different rooms, for example in a home, but any incoming call would ring all extensions and any one extension being in use would cause ...
TIM there are many legacy 9-digit numbers 331: 10: TIM: 333 334 335: ... All mobile phone numbers start with "2" and each of them has 8 digits (without country code),.
Worldwide distribution of country calling codes. Regions are coloured by first digit. Telephone country codes, originally termed International Codes by the International Telegraph and Telephone Consultative Committee (C.C.I.T.T.) in 1960, [1] but also sometimes referred to as "country dial-in codes", or historically "international subscriber dialing" (ISD) codes in the U.K., are telephone ...
An off-premises extension (OPX), sometimes also known as off-premises station (OPS), is an extension telephone at a location distant from its servicing exchange.. One type of off-premises extension, connected to a private branch exchange (PBX), is generally used to provide employees with access to a company telephone system while they are out of the office.
Extension telephone bell used by taxi service in Rovigo. Extension bell located on the exterior of a lighthouse in Sprogø. An extension bell or extension ringer [1] is a device that generates a sound to indicate an incoming telephone call, but is not included in a telephone set itself. Extension bells may be louder than ordinary telephone ringers.
second-generation mobile telephone 2.5G: Enhanced 2G mobile telephone 3G: third-generation mobile telephone 4ESS Number 4 Electronic Switching System (Alcatel-Lucent) 4WTS: Four-wire termination set: US 5ESS Number 5 Electronic Switching System (Alcatel-Lucent) ACD: Automatic Call Distribution/Director ACTS: Advanced Coin Telephone Service: US ADSL
The Tele. 162 Handset Micro Telephone, was the first UK phone to incorporate the transmitter and receiver into a single unit, 'The Handset', which had not been used on telephones in the UK since the very early metal and wood cased models, and the BPO preference for a separate transmitter and Bell receiver, as on the Tele. 150 and Tele. 121.
The telephone system will then display the extension number of the parked call so that the call can later be retrieved. At this point, the telephone system will often provide an option for the person to make an announcement through a public address system (often consisting of some or all of the telephone sets and or overhead paging speakers ...