Multi-tap (multi-press) refers to a text entry system for

mobile phones A mobile phone, cellular phone, cell phone, cellphone, handphone, hand phone or pocket phone, sometimes shortened to simply mobile, cell, or just phone, is a portable telephone that can make and receive calls over a radio frequency link while ...

. The alphabet is printed under each key (beginning on "2") in a three-letter sequence as follows; ABC under 2 key, DEF under 3 key, etc. Exceptions are the "7" key, which adds a letter ("PQRS"), and the "9" key which includes "Z". Punctuation is typically accessed via the "1" key and various functions mapped to the "*" key and "#" key. The system is used by repeatedly pressing the same key to cycle through the letters for that key. For example, pressing the "3" key twice would indicate the letter "E". Pausing for a set period of time will automatically choose the current letter in the cycle, as will pressing a different key. It is commonly used in conjunction with text-messaging services. Some portable telecommunications devices (such as the

BlackBerry The blackberry is an edible fruit produced by many species in the genus ''Rubus'' in the family Rosaceae, hybrids among these species within the subgenus ''Rubus'', and hybrids between the subgenera ''Rubus'' and ''Idaeobatus''. The taxonomy ...

) have bypassed the need for this by incorporating a mini-keyboard for users to type on. As of 2012, most mobile phones with fewer keys than alphabet letters offer a

predictive text Predictive text is an input technology used where one key or button represents many letters, such as on the numeric keypads of mobile phones and in accessibility technologies. Each key press results in a ''prediction'' rather than repeatedly ...

input method.

References

{{reflist Input methods for handheld devices Mobile phones

See also

References