-= Info about application 'ControlPlayback' =- 

[Synopsis]:
Play a file with fast forward and rewind

[Description]:
ControlPlayback(filename[|skipms[|ffchar[|rewchar[|stopchar[|pausechr]]]]]):
  Plays  back  a  given  filename (do not put extension). Options may also
  be included following a pipe symbol.  You can use * and # to rewind and
  fast forward the playback specified. If 'stopchar' is added the file will
  terminate playback when 'stopchar' is pressed. Returns -1 if the channel
  was hung up, or if the file does not exist. Returns 0 otherwise.

  Example:  exten => 1234,1,ControlPlayback(file|4000|*|#|1|0)