Int 2F Fn CB16  - Communicating Applications Spec V1.2+ - Unload Resident  [F]

   AX = CB16h
   BX = 1234h
   CX = 5678h
   DX = 9ABCh

Return: AX = 0000h successful
   AX < 0     error code

Note:  the METZ XpressFax CASMGR ignores the values in BX,CX, and DX

See Also: AX=C000h/BX=444Bh,AX=CB00h
Index: uninstall;CAS Manager