Lucent Technologies 555-230-220 manual Screen-Based Dialing Station Monitoring, Or forced off-hook

Call Scenarios and Applications

Screen-Based Dialing —

Station Monitoring

Customer	User	User				Adjunct	User		User
Phone	Phone	Phone	Switch				Terminal		Terminal
						Processor
B	C	A					C		A
									User	logs into
					3rd Party Domain Control				application
			Control	granted		(domain=A)
				3rd Party Domain Control-ACK					User queries
									telephone directory
									for user B info
						Application		displays
						information		for B
		User goes off-hook				3rd Party Auto Dial			User requests call
									by pointing to
		or forced off-hook
						(dest=B)
									telephone number
		User listens to		Call Initiated Event Report (A)				Call status updated
		intercept tone				Reorder Event Report
								Call status updated
						(cause=invalid number)
		User dropped			3rd Party Selective Drop (A)			User terminates call
									attempt
				3rd Party Selective Drop-ACK
		User off-hook							User selects
				Call Initiated Event Report (A)				another destination
								by entering the called
						3rd Party Auto Dial			person name
	Call alerting					(dest=C)
					Alerting Event Report (C)
								Call status updated
	User Answers			Connected Event Report (C)				Call status updated
	Users A and C							User updates directory
		talk
								with new phone number
									for B

A user at a monitored station initiates a call from the data terminal. The first call receives intercept treatment because the number provided is invalid. The second call is successful.

Issue 7 March 1998 A-15