Int F1 Fn FF  - Common Isdn Api (capi) V1.1 - "api-manufacturer" - Vendor  [-]

   AH = FFh
   other registers vendor-specific

Return: registers vendor-specific
Range: INT 00 to INT FF, selectable by program parameter

Notes: the caller is required to provide at least 512 bytes of stack space

See Also: AH=01h,AH=F0h,AH=F1h,AH=F2h,INT F1/AH=FFh