Polycom RealPresence 2000, Administrator'S Manual

Page: 1029 / 1130

Appendix H-Setting the RMX for Integration Into Microsoft Environment
Polycom, Inc.
H-49
Microsoft RTV Video Protocol Support in CP Conferences
Microsoft RTV ( Real Time Video ) protocol provides high quality video conferencing capability
to Microsoft OC ( Office Communicator ) Client endpoints at resolutions up to HD720p30 .
Interoperability between Polycom HDX and OCS endpoints is improved.
Guidelines
• The RTV protocol is supported:
— On RealPresence Collaboration Server (RMX) 1500/RealPresence Collaboration Server
(RMX) 2000/RealPresence Collaboration Server (RMX) 4000
— With MPMx cards
— In SIP networking environments only
— In CP mode only
• OCS (Wave 13) and Lync Server (Wave 14) clients are supported.
• RTV is supported in Basic Cascade mode.
• RTV is the default protocol for OCS endpoints and Lync Server clients connecting to a
conference.
• RTV participants are supported in recorded conferences.
• RTV participant encryption is supported using the SRTP protocol.
• Video Preview is not supported for RTV endpoints.
• Custom Slides in IVR Services are not supported for RTV endpoints.
• HD720p30 resolution is supported at bit rates greater than 600 kbps. The following table
summarizes the resolutions supported at the various bit rates.
*
Dependant on the PC’s capability
• System Resource usage is the same as for the H.264 protocol. Table H-4 summarizes
System Resource usage for each of the supported resolutions.
Table H-3 RTV - Resolution by Bit Rate
Resolution Bitrate
QCIF Bitrate <180kbps
CIF30 180kbps < Bitrate < 250kbps
VGA (SD30) 250kbps < Bitrate < 600kbps *
HD720p30 600kbps < Bitrate *
Table H-4 RTV - Resources by Resolution
Resolution HD Video Resources Used
QCIF / CIF30 0.333
VGA (SD30) / W4CIF 0.5
HD720p30 1