Polycom RealPresence RMX 1500 Administrator's Manual page 218

▪ 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.
Polycom®, Inc.
Setting Conferences for Telepresence Mode (AVC CP)
187