Int 2F Fn DB41  - Zyxel Zfax V3+ - Send Data - Dial Number And Upload Fil  [F]

   AX = DB41h
   DS:SI -> source file name, including path (max 128 characters)
   DS:BX -> remote data number

Return: AX = status (see #2768)

See Also: AX=DB00h,AX=DB28h