Cisco Cisco Computer Telephony Integration Option 8.5 Technical References

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CTI Server Message Reference Guide (Protocol Version 17) for Cisco Unified Contact Center Enterprise
Release 10.0(1)
Client Events Service
END_CALL_EVENT
The CTI Server sends an END_CALL_EVENT message to the CTI client when the association between 
a call and the CTI client is dissolved. This message does not necessarily indicate that the subject call has 
been terminated; it indicates only that the CTI client is no longer responsible for processing the call and 
will be receiving no further call event messages for the call.