INT 14 - TelAPI - "telpoll" - POLL TELNET SESSION FOR CONNECTION COMPLETION
	AH = EDh
	BX = connection ID (see AH=ECh)
Return: AX = status (0000h,0001h,FFFFh,etc.) (see also #00397)
	    0000h session now connected
	    0001h connection still in progress
Note:	this function is not supported by the Microdyne TelAPI v3.7
SeeAlso: AH=EDh,AX=FF00h