International Phonetic Alphabet Use of the phonetic alphabet is recommended to correctly relay numerical and alpha information.  Most commonly used for password override  challenge and response.   0 Zero   1 One 2 Two   3 Three 4 Four   5 Five 6 Six   7 Seven 8 Eight   9 Niner A Alpha   B Bravo C Charlie   D Delta E Echo   F Foxtrot G Golf   H Hotel I India   J Juliet K Kilo   L Lima M Mike   N November O Oscar   P Papa Q Quebec   R Romeo S Sierra   T Tango U Uniform   V Victor W Whiskey   X X-Ray Y Yankee   Z Zulu     ! Exclamation (Bang) @ At sign  (At) # Pound   $ Dollar   % Percent   ^ Circumflex (caret, hat) & Ampersand   * Asterisk (star) ( Left parenthesis   ) Right parenthesis   - hyphen  (dash) _ underscore   = equal sign   + plus sign   / slash   \ backslash (back) |   pipe [ Left Bracket   ] Right Bracket   { Left Brace   " x   ` x   ~ x   , x   . x   ; x   : x   ? x     Sometimes the number 9 is changed to prevent confusion with the German for 'no'.