Int 2F Fn DB24 - Zyxel Zfax V3+ - Play Voice File [F]
AX = DB24h
DS:SI -> name of voice file, including path (max 128 characters)
CX = playback channel (0 = telephone line, 1 = microphone/speaker)
Return: AX = status (see #2768)
See Also: AX=DB21h,AX=DB22h,AX=DB24h