Int F1 Fn F2  - Common Isdn Api (capi) V1.1 - "api-get-serial-number"      [-]

   AH = F2h
   ES:BX -> 64-byte buffer for CAPI serial number

Return: ES:BX buffer filled with ASCIZ serial number (seven digits), empty
         string if no serial number

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

See Also: AH=01h,AH=F0h,AH=F1h,AH=FFh