| 摘要 |
A method in one example has: applying, for a telephone having a plurality of number buttons having at least a nine button and a one button, a first predetermined color to the nine button and a second predetermined color to the one button, the remaining number buttons having a third predetermined color, the first, second, and third predetermined colors being three different colors; and pushing the number buttons in a sequence first predetermined color—second predetermined color—second predetermined color to dial an emergency telephone number. In one embodiment the first predetermined color may be red, and the second predetermined color may be yellow. Therefore, a 911 emergency telephone number may be dialed by pushing the number buttons in the order red-yellow-yellow. |
