Category: <b>FAX</b>
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<pre><b>INT 2F - Communicating Applications Specification - INSTALLATION CHECK</b>

	AX = CB00h
Return: AL = status
	    00h not installed, OK to install
	    01h not installed, not OK to install
	    FFh installed
Note:	AH = CBh is the default identifier, but may be reconfigured
SeeAlso: AH=2Ah,AX=8000h"FaxBIOS",AX=CB0Eh,AX=CBDCh
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