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Call Scenarios and Applications
A-74 Issue 7 March 1998
Call Sequence 2 shows an incoming call on an ISDN-PRI trunk delivered to
VDN A. The ISDN trunk is configured for MultiQuest service. The incoming call
indicates in its SETUP message that Flexible Billing is supported. The call is
adjunct-routed. The adjunct sees that Flexible Billing is enabled, and routes the
call to split 1. The call rings at agent 5001 and is answered. The ECS sends the
response to the ASAI adjunct. The agent requests a billing change on the call,
setting the new rate to $5/minute. This billing change is sent over the ISDN-PRI
trunk, and the 4ESS accepts the change. The ECS sends the response to the
ASAI adjunct.
Host
4ESS
Route Request
Call Offered Event
Set Value
Comment
(item=flexible billing,
Route Select
Switch
DEFINITY
(flexible billing enabled)
RELease COMPlete
Return Result message
Call SETUP message
(service=multiquest,
feature = flexible billing)
type=new rate, amount=500)
Call placed to VDN
ECS requests route
Adjunct replies with
Call answered by agent
FACility message
(item=flexible billing,
type=new rate,
amount=500)
FACility message
indicating acceptance
Request sent to 4ESS
Result sent to Adjunct
(flexible billing enabled)
Alerting Event
Connected Event
for call
route
Call offered to split
Call rings at agent
Adjunct requests
billing change
4ESS accepts billing
change
(destination = split1)
ECS