Phone_Number.gram
Example #ABNF 1.0; mode voice; language en-US; tag-format <semantics/1.0>; root $PhoneNumber; $Digit = (ONE {out = "1"} | TWO {out = "2"} | THREE {out = "3"} | FOUR {out = "4"} | FIVE {out = "5"} | SIX {out = "6"} | SEVEN {out = "7"} | EIGHT {out =… |