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Event Reporting and U-Abort Capabilities
Issue 7 May 1998
3-19
Call Ended Event Report
The Call Ended Event Report applies to Event Notification associations only and
is generated under the following circumstances:
■ When the last party on a call drops
■ When ECS cannot continue to send event reports for the call over an Event
Notification association because the call has been merged
(conferenced/transferred)
NOTE:
To repeat, the Call Ended Event Report is only sent over Event Notification
associations. It is never sent over Call Control or Domain (Station) Control
associations.
NOTE:
The Call Ended Event Report should not be confused with the Third Party
Call Ended capability provided by the Call Control Capability group. The Call
Ended Event Report and the Call Ended capability carry the same
information. They differ in that the former allows the Event Notification
association to continue and the latter terminates a Call Control association.
Call Ended Report Items
The following is a list of items provided with this report:
call_id
The ECS-assigned call identifier of the call that ended
cause
Contains the reason for the call ending:
■ Normal clearing (CS0/16)
■ Call with requested identity has been terminated (CS3/86)
■ Call merged or Intercept SIT treatment — Number Changed (CS0/22)
■ Answering Machine Detected (AMD) (CS3/24)
■ Non-ISDN endpoint dropped out of a connection (CSO/127)