INT 2F - Communicating Applications SpecificationDCA and Intel's standard programmatic interface for sending and receiving FAXes via any of a number of internal FAX boards. - OPEN FILE AX = CB07h BX = event handle from find (AL=05h,06h) or submit task (AL=01h) CX = receive file number (ignored for task queue and log queue) 0000h open receive control file N open Nth received data file DL = queue 00h task queue 01h receive queue control file or received file, as given by CX 02h log queue 03h group file in task queue (v1.2+) 04h group file in log queue (v1.2+) Return: AX = 0000h successful BX = DOS file handle for requested file AX < 0 error code (see #03048) Note: the returned file handle has been opened in read-only mode and should be closed with INT 21/AH=3Eh after use SeeAlso: AX=CB01h,AX=CB05h,AX=CB14h