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If the call is transferred to another communication server, only the UCID for the transfer
(UCID "b") gets passed on. This is because the communication server cannot merge
UCIDs if the call is not completed within the communication server.
Note:
If, during the conference or transfer, the incoming call drops before the
Note:
operation is complete, the two UCIDs will not appear to be associated
because no merge of the two parts of the call was done.
Complex conference
The following complex call scenario illustrates when a station user adds an incoming call to
an existing conference.
In this scenario,
1. Phones I, II, and III are in the same conference call with UCID "x".
2. The person at Phone III receives an incoming call from Phone IV (this call has UCID
"y" associated with it).
3. The person at Phone III puts the conference call on hold and answers the incoming call
from Phone IV.
4. The person at Phone III decides to add Phone IV into the conference call.
5. The person at Phone III
a. presses the Conference button
b. presses the call appearance button to return to the conference call
c. presses the Conference button again.
This brings the conference call into the call between Phones III and IV.
Universal Call ID
Issue 1.0 May 2003
241
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