INT 21 - LANtastic - GET MESSAGE PROCESSING FLAGS
AX = 5F9Ah
Return: CF clear if successful
DL = bits describing processing for received unsolicited messages
bit 0: beep before message is delivered
1: deliver message to message service
2: pop up message automatically (v3+)
CF set on error
AX = error code
SeeAlso: AX=5F9Ch,AX=5F9Dh

See also: 215F9B

215F9A - LANtastic - GET MESSAGE PROCESSING FLAGS