INT 6B - NPC NCSI EXTENDED SERIAL I/O - ALLOCATE A VIRTUAL CIRCUIT              
	AH = 11h
	DX = 0001h
	AL = 00h
	ES:BX -> service name string (8 characters, blank-padded)
Return: CF clear if successful
	    AL = virtual circuit number allocated (01h for Novell TELAPI.EXE)
	    CL = ??? (01h for Novell TELAPI.EXE)
	    CH = ??? (01h for Novell TELAPI.EXE)
	CF set on error
	    ???
Note:	this function is also supported by TelAPI
SeeAlso: AH=12h,AH=15h,AH=16h,AH=17h,AH=18h