RealPresence Collaboration Server (RMX) 800s/Virtual Edition Administrator’s Guide
Polycom®, Inc.
124
SD
: Participants that send CIF also receive CIF.
HD
: the Collaboration Server transmits HD and receives SD or lower resolutions, the
Collaboration Server scales images from SD to HD resolution.
H.264 High Profile Support in CP Conferences
The
H.264 High Profile
is a new addition to the
H.264
video protocol suite. It uses the most efficient video
data compression algorithms to even further reduce bandwidth requirements for video data streams.
Video quality is maintained at bit rates that are up to 50% lower than previously required. For example, a
512Kbps call will have the video quality of a 1Mbps HD call while a 1Mbps HD call has higher video quality
at the same (1Mbps) bit rate.
Guidelines
●
H.264 High Profile
is supported in
H.323
and
SIP
networking environments.
●
H.264 High Profile
is supported in
Continuous Presence
conferences at all bit rates, video resolutions
and layouts.
●
H.264 High Profile
is the first protocol declared by the Collaboration Server, to ensure that endpoints
that support the protocol will connect using it.
Setting minimum bit rate thresholds that are lower than the default may affect the video quality of
endpoints that do not support the
H.264 High Profile.
●
For monitoring purposes, the Collaboration Server and endpoint
H.264 High Profile
capability is listed
in the
Participant Properties - H.245
and
SDP
tabs for
H.323
participants and
SIP
participants
respectively.
For more information see "
IP Participant Properties”
on page
12-20
.
●
H.264 High Profile
is not supported:
For
Content
Sharing
As an
RSS Recording
link
With
Video Preview
CP Conferencing with H.263 4CIF
The video resolution of 4CIF in H.263 endpoints is only supported for line rates of 384 Kbps to 1920 Kbps
as shown in the table below.
Video Quality vs. Line Rate
The Collaboration Server Web Client supports monitoring of H.263 4CIF information. The H.245 or SDP tab
includes the additional information.
The creation of a new H.263 4CIF slide is supported in the IVR Service in addition to the current H.263 IVR
slide. If users utilize the default Polycom slides that are delivered with the RealPresence Collaboration
Server, the slide’s resolution will be as defined in the profile, i.e. SD, HD, CIF, etc.
For more information see “
High Resolution Slides
” on page
25-566
.
H.264 High-Profile should be used when all or most endpoints support it.
Содержание RealPresence 800s
Страница 49: ...RealPresence Collaboration Server RMX 800s Virtual Edition Administrator s Guide Polycom Inc 63 3 Click OK ...
Страница 103: ...RealPresence Collaboration Server RMX 800s Virtual Edition Administrator s Guide Polycom Inc 117 12 Click the IVR tab ...
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