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Appendix H - Deployment Into Microsoft Environments
Polycom®, Inc. 985
The following table summarizes current and legacy (non DMA) conferencing modes within the deployment
architectures:
Backward Compatibility to Lync 2010
All Lync 2013 functionality can be disabled by adding the BLOCK_NEW_LYNC2013_FUNCTIONALITY
System Flag and setting its value to YES.
The flag’s default value is NO. When the flag is set to YES, all Lync 2013’s new functionality is disabled. All
Lync 2013 clients, whether connected directly or via cascading, will connect using the RTV codec, and not
the Microsoft H.264/SVC codec.
Conference Modes by Deployment Architecture
Conference
Mode
Deployment Architecture 1
RealPresence Hosted
Conferences
(Direct Dial In/Out)
With or without DMA
Deployment Architecture 2
Lync 2013 AVMCU Cascaded Conferences
(Indirect Dial In)
With DMA
(RealConnect)
Non DMA
(Backward Compatibility)
AVC Only Supported.
Dial Out from DMA is not
supported.
For backward compatibility,
Dial out from the RMX Web
Client or RMX Manager can
be used.
When using backward
compatibility mode for Dial
Out, the default video
protocol of H.264/SVC in
Lync 2013 clients is not
supported. Instead RTV will
be utilized, as long as that
codec has not been manually
disabled on the Collaboration
Server configuration using
any related system flag
setting which are covered
later in this section.
Supported.
Simulcast transmitted.
Multiple participants received.
Supported.
One transmitted RTV stream.
One received RTV stream.
Mixed Mode Supported Not Supported
SVC Only Not Supported