Appendix H - Integration Into Microsoft Environments
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When Call Admission Control is enabled in the local network, by default the local the ICE channel is
closed after applying CAC bandwidth management.
To change and preserve the ICE channel open throughout the call:
PRESERVE_ICE_CHANNEL_IN_CASE_OF_LOCAL_MODE=YES.
Conferencing Behavior in CP Conferences
In Continuous Presence conference, Lync clients connect with any allocated bandwidth.

Monitoring Participant Connections

Activation of the Call Admission Control for a call can be viewed in the Participant Properties - Call
Admission Control dialog box.
This information applies only to dial-in participants.
The following information is available:
Participant Properties - Call Admission Control Parameters
Field Description
Requested Bandwidth Indicates the bandwidth requested by the Lync client (usually the line rate set
for the conference).
NA - indicates that Call Admission Control is disabled.
Allocated Bandwidth The actual bandwidth allocated by the Lync Policy Server.
NA - indicates that Call Admission Control is disabled.