This page provides all possible meanings and translations of the word t9
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T-9, which stands for Text on 9 keys, is a patented predictive text technology for mobile phones, originally developed by Tegic Communications, now part of Nuance Communications.
T9 is used on phones from Verizon Wireless, NEC, Nokia, Samsung Electronics, Siemens, Sony Ericsson, Sanyo, Sagem and others. It was also used by Texas Instruments PDA Avigo during the late 1990s. Its main competitors are iTap created by Motorola, SureType created by RIM, Eatoni's LetterWise and WordWise, and Intelab's Tauto.