-= Info about application 'Read' =- 

[Synopsis]:
Read a variable

[Description]:
  Read(variable[|filename][|maxdigits][|option])

Reads a #-terminated string of digits from the user in to the given variable,
optionally playing a given filename first.
  maxdigits  -- maximum acceptable number of digits. Stops reading after
                maxdigits have been entered (without requiring the user to
                press the '#' key).
                Defaults to 0 - no limit - wait for the user press the '#' key.
                Any value below 0 means the same. Max accepted value is 255.
  option     -- may be 'skip' to return immediately if the line is not up,
                or 'noanswer' to read digits even if the line is not up.

Returns -1 on hangup or error and 0 otherwise.