Conferencing Modes Overview
Polycom®, Inc. 11
●Telepresence Mode (CP Conferences only) - enables the connection of numerous high definition
telepresence rooms and of different models (such as TPX and RPX) into one conference maintaining
the telepresence experience. This mode is enabled by a special license.
●TIP Support (CP Conferences only) - TIP is a proprietary protocol created by Cisco for deployment
in Cisco TelePresence systems (CTS). Polycom’s solution is to allow the Collaboration Server to
natively inter-operate with Cisco TelePresence Systems, ensuring optimum quality multi-screen,
multipoint calls.
SVC-based Conferencing
The SVC-Based conferencing mode provides video without transcoding by the MCU, hence requiring less
video resources while providing better error resiliency and lower latency.
Using the SVC video protocol, SVC conferences provide video bit streams at different resolutions, frame
rates and line rates to SVC-enabled endpoints with various display capabilities and layout configurations.
In the SVC-based conference, each SVC-enabled endpoint transmits multiple bit streams, called
simulcasting, to the Collaboration Server. Simulcasting enables each endpoint to transmit at different
resolutions and frame rates such as 720p at 30fps, 15fps, and 7.5fps, 360p at 15fps and 7.5fps, and 180p
at 7.5fps.
The Polycom SVC-enabled endpoints (such as the Polycom® RealPresence® Desktop for Windows® and
Polycom® RealPresence® Mobile) compose the layout according to their layout settings and video
capabilities. This enables the MCU to send or relay the selected video streams to each endpoint without
processing the video streams and sending the composite video layout to the endpoints.