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In early cell phones, or feature phones, the letters on the keys are used for text entry tasks such as text messaging, entering names in the phone book, and browsing the web. To compensate for the smaller number of keys, phones used multi-tap and later predictive text processing to speed up the process.
Keypad used by T9. T9's objective is to make it easier to enter text messages.It allows words to be formed by a single keypress for each letter, which is an improvement over the multi-tap approach used in conventional mobile phone text entry at the time, in which several letters are associated with each key, and selecting one letter often requires multiple keypresses.
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 ...
Some companies also match domain names to phone words (for instance, 1800-THRIFTY and the web site www.1800thrifty.com) to target phone and web users together. One brief practice was when the successive toll-free area codes were introduced (888, 877, 866, etc.), a business word or phrase would actually use one or more of the numbers in the area ...
AUTOVON included four message precedence levels: Routine, Priority, Immediate and Flash, and had an additional capability called Flash Override. [3] These levels were activated using the buttons in an additional column of the keypad, which produced the dual-tone multi-frequency (DTMF) signals A, B, C, and D: A (697/1633 Hz): Flash Override (FO)
The phrase is used to coax you into saying “yes,” a word that, if said in your voice, is as good as gold for con artists. RELATED: Common tax scams to look out for
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The term was first used by AT&T in commerce on July 5, 1960, and was introduced to the public on November 18, 1963, when the first push-button telephone was made available to the public. As a parent company of Bell Systems, AT&T held the trademark from September 4, 1962, to March 13, 1984. [5] It is standardized by ITU-T Recommendation Q.23. In ...