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Event Reporting and U-Abort Capabilities
Issue 7 May 1998
3-55
Event Reporting for Merging Two
Calls
This section covers the rules for sending events when two calls with different
characteristics are merged for a transfer or a conference. For the purpose of
these rules, it does not matter how the calls were merged (manually or via the
Third Party Merge capability).
Call merging rules are as follows:
1. Merging two Call-Controlled calls
■ A Third Party Call Ended capability is sent for the call identifier that
has been released as a result of the merge on the association that is
controlling the call.
■ The Call Transferred or Call Conferenced Event Report is sent over
the association controlling the resulting call identifier.
■ Subsequent event reports for the merged call are sent over the Call
Control association controlling the resulting call identifier.
2. Merging two monitored calls (Event Notification is active)
■ A Call Ended Event Report is sent over the association monitoring
the call for the call identifier that has been dropped.
■ The Call Transferred or Call Conferenced Event Reports are sent to
the association monitoring the resulting call identifier.
■ Subsequent event reports are sent over the Event Notification
association monitoring the resulting call identifier.
3. Merging one Call-Controlled call with a nonmonitored call (Event
Notification or Call Control are not active)
■ The Call Transferred or Call Conferenced Event Reports are sent
over the Third Party Call Control association. This association
continues to report subsequent events for the remaining call.
4. Merging one monitored call (Event Notification active) with a nonmonitored
call (Event Notification and Third Party Call Control are not active)
■ The Call Transferred or Call Conferenced Event Reports are sent
over the Event Notification association.
■ Subsequent event reports are sent over the Event Notification
association of the monitored call. In the case where the resulting call
is the nonmonitored call, the Call Conferenced or Call Transferred
Event Report is the very first event the adjunct receives with a new
call identifier. If the resulting call identifier is from the Call-Controlled
call, the adjunct receives the Call Conferenced or the Call
Transferred Event Report(s).