A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized...

numeric keypads. Keypads are found on devices which require mainly numeric input such as calculators, television remotes, push-button telephones, vending...

telephones, some telephone manufacturers used push-button keypads to generate pulse dial signaling. Before the introduction of touch-tone telephone sets...

Q.23. It is also known in the UK as MF4. Touch-Tone dialing with a telephone keypad gradually replaced the use of rotary dials and has become the industry...

with the ITU specifications for these symbols, and annotate them as telephone keypad symbols on the code charts. As of 2019[update] (Unicode 12.1), these...

technology for mobile phones (specifically those that contain a 3×4 numeric keypad), originally developed by Tegic Communications, now part of Nuance Communications...

A telephone number is a sequence of digits assigned to a landline telephone subscriber station connected to a telephone line or to a wireless electronic...

Number sign, also known as the number, pound or hash key, a key on a telephone keypad For its use in data structure, database and cryptographic applications...

invented by workers at the Bell Telephone Laboratories by 1968, who needed a word for the symbol on the telephone keypad. Don MacPherson is said to have...

a predictive multi-tap hybrid, which when operating on a standard telephone keypad achieves KSPC=1.15 for English. The choice of which predictive text...