Int 21 Fn FFE3  - Topware Network OS V5.10+ - End Access To Specific Pack  [N]

   AX = FFE3h
   DL = 01h
   BX = handle returned by AX=FFE3h/DL=00h

Return: CF clear if successful
   CF set on error
       DH = error code (01h,11h) (see AX=FFE3h/DL=00h)

Note:  the specified access handle will no longer be valid after this call

See Also: AX=FFE3h/DL=00h