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Chapter 3-Additional Conferencing Information
Polycom, Inc. 3-11
H.264 Cascade and SVC Optimized
The H.264 Cascade and SVC Optimized option maintains content quality and minimizes
the amount of content refreshes that occur in large cascading conferences when participants
connect or disconnect from the conference.
This option is the only available option automatically selected in SVC Only conferencing
Mode and mixed CP and SVC Conferencing Mode.
The H.264 Cascade and SVC Optimized option uses fixed resolution and frame rate for SVC
Only and mixed CP and SVC conferences. In AVC CP conferences, each content Line Rate
and Content Setting has its own resolution and frame rate as summarized in Table 3-4.
In AVC CP conferences, endpoints that do not support the required content parameters
(Content line rate, H.264 protocol and Content Resolution), will not receive content.
Endpoints that do not support the required content parameters (Content line rate and
Content Resolution) cannot share content.
Guidelines
• In Cascading conferences, the cascade link must be H.323.
• This is the only available Content sharing mode in SVC Conferencing Mode and CP and
SVC Conferencing Mode.
• H.264 High Profile is not supported.