Function reference • phonenumber

All functions
`letterToNumber()`	Convert letters to numbers as on a telephone's keypad
`numberToLetter()`	Convert numbers to letters as on a telephone's keypad
`phonenumber`	phonenumber: Convert letters to numbers and back as on a telephone keypad

All functions

Convert letters to numbers as on a telephone's keypad

Convert numbers to letters as on a telephone's keypad

phonenumber: Convert letters to numbers and back as on a telephone keypad