Polycom RealPresence 4000 Administrator's Manual page 215

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Polycom, Inc.
— Resource deficiency is listed as the Call Disconnection Cause in the Participant
Properties - Connection Status dialog box.
If a calling Link Participant is not defined with same number of links as all the other Link
Participants in the cascaded conferences:
— The call is rejected.
— The Call Disconnection Cause is: Number of cascading links is not identical for all
conferences.
Chapter 4-Additional Conferencing Information
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