INT 2F - QRIP/TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user.  The name comes from the name of the DOS function call used to remain in memory after termination. - HANGUP
	AX = AC19h
	DI = 1092h
Return: nothing
Desc:	inform QRIP that carrier has been lost
Note:	if DI <> 1092h on entry, QRIP chains the call
SeeAlso: AX=ACF0h