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Ringing tone ( audible ringing, also ringback tone) is a signaling tone in telecommunication that is heard by the originator of a telephone call while the destination terminal is alerting the receiving party. The tone is typically a repeated cadence similar to a traditional power ringing signal ( ringtone ), but is usually not played synchronously.
A push-button telephone is a telephone that has buttons or keys for dialing a telephone number, in contrast to a rotary dial used in earlier telephones.. Western Electric experimented as early as 1941 with methods of using mechanically activated reeds to produce two tones for each of the ten digits and by the late 1940s such technology was field-tested in a No. 5 Crossbar switching system in ...
The Western Electric model 500 telephone series was the standard domestic desk telephone set issued by the Bell System in North America from 1950 through the 1984 Bell System divestiture. The successor to the model 302 telephone, the model 500's modular construction compared to previous types simplified manufacture and repair and facilitated a ...
Ringing (telephony) Ringing is a telecommunication signal that causes a bell or other device to alert a telephone subscriber to an incoming telephone call. Historically, this entailed sending a high-voltage alternating current over the telephone line to a customer station which contained an electromagnetic bell.
The Nokia tune is a phrase from a composition for solo guitar, Gran Vals, composed in 1902 by the Spanish classical guitarist and composer Francisco Tárrega. [1] It has been associated with Finnish corporation Nokia since the 1990s, becoming the first identifiable musical ringtone on a mobile phone; Nokia selected an excerpt to be used as its default ringtone.
A vintage Post Office Telephones van, dating from 1946. Until 1982, the GPO had a monopoly on the provision of all telephone lines and telephones within the UK, other than in Kingston upon Hull, which for historical reasons was unique in maintaining its own municipal telephone service. Customers of the GPO (known internally as "subs", short for ...
Alphanumeric keypad. SAR. 0.96 W/kg (head) The Nokia 3310 is a discontinued GSM mobile phone announced on 1 September 2000, [ 2] and released in the fourth quarter of the year, replacing the popular Nokia 3210. It sold very well, being one of the most successful phones, with 126 million units sold worldwide, [ 3] and being one of Nokia 's most ...
The Trimphone is a model of telephone designed in the early 1960s in the UK, the first prototypes appearing in 1965. It was positioned as a more fashionable alternative to the standard telephones available from the Post Office Telephones, the nationalised predecessor to British Telecom. The name is an acronym standing for Tone Ring Illuminator ...