register_options(
    [
      OptString.new('DIALMASK',     [true,  'Dial Mask (e.g. 1.800.95X.99XX, (202) 358-XXXX, 358.####, etc.)', '202.358.XXXX']),
      OptString.new('DIALPREFIX',   [true,  'Dial Prefix', 'ATDT']),
      OptString.new('INITSTRING',   [true,  'Initialization String', 'AT X6 S11=80']),