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Call Scenarios and Applications
Issue 7 March 1998
A-75
Call Sequence 3 shows an incoming call on an ISDN-PRI trunk delivered to VDN
A. (This call sequence uses the same VDN as call sequence 2.) The ISDN trunk is
configured for MultiQuest service. The incoming call indicates in its SETUP
message that Flexible Billing is NOT supported. The call is adjunct-routed. The
adjunct sees that Flexible Billing is NOT enabled and routes the call to split 2. The
call rings at agent 5001 and is answered.
In scenario 2, the agent knew that Flexible Billing was available on the call since
the call routed to split 1. In scenario 3, the agent knew to bill by a means other
than Flexible Billing since the call routed to split 2.
Host
4ESS
Route Request
Call Offered Event
Comment
Route Select
Switch
DEFINITY
(flexible billing disabled)
Call SETUP message
(service=multiquest)
Call placed to VDN.
ECS requests route
Adjunct replies with
Call answered by agent
(flexible = flexible billing)
Alerting Event
Connected Event
for call
route
Call offered to split 2
Call rings at agent
Flexible billing not
indicated.
(destination = split2)
ECS