INT 14 - TelAPI - "telreset" - RESET ALL CONNECTIONS
	AH = E5h
Return: AX = status (0000h,other) (see also #00397)
	    FFFFh unable to reset
Desc:	close all sessions and reset TelAPI to defaults
SeeAlso: AH=E1h,AH=E6h,AX=FF00h