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Call Scenarios and Applications
A-36 Issue 7 March 1998
(ECS B)(ECS A)
Host
ECS A ECS B
Host
Event Notif Request (VDN=5678)
Event Notif ACK
Call offered
Queued Event
Hold Event
Incoming call
Agent puts call on hold
Event Notif Request (VDN=1111)
Event Notif ACK
Agent transfers call (blind)
(VDN 5678 notif assoc)
Event Notif Request (VDN=1222)
Event Notif ACK
Event Notif Request (VDN=5008)
Event Notif ACK
(VDN 5678 notif assoc)
Alerting Event
(VDN 5678 notif assoc)
Connect Event
(VDN 5678 notif assoc)
and makes call to LAI VDN 5008
(VDN 5678 notif assoc)
Call offered to VDN 5008
(VDN 5008 event notif assoc)
Queued
(VDN 5008 event notif assoc)
Tr an s fe r
VDN 5008 event notif assoc
LAI occurs
Call ended
VDN 5678 event notif assoc