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Chapter 4-Additional Conferencing Information
Polycom, Inc. 4-49
The participant encryption status is also indicated in the Participant Properties – SDP tab,
where SRTP indication is listed for each encrypted channel (for example, audio and video).
An encrypted participant who is unable to join a conference is disconnected from the
conference. The disconnection cause is displayed in the Participant Properties – Connection
Status tab, Security Failure indication, and the Cause box identifies the encryption related
situation.
For more information about monitoring, see "Conference and Participant Monitoring” on
page 13-1.
Packet Loss Compensation (LPR and DBA) AVC CP
Conferences
Lost Packet Recovery (LPR) and Dynamic Bandwidth Allocation (DBA) help minimize media
quality degradation that can result from packet loss in the network. Packet loss Compensation
is available in AVC CP Conferencing Mode only and is not supported in SVC Conferencing
Mode or CP and SVC Conferencing Mode.
Packet Loss
Packet Loss refers to the failure of data packets, transmitted over an IP network, to arrive at
their destination. Packet Loss is described as a percentage of the total packets transmitted.