Polycom 2000 User Manual

High Definition Video Switching enables compliant endpoints to connect 

to conferences at resolutions of 1280x720 pixels (720p) at line rates ranging 

from 384kbp to 4Mb and 1920 x 1080 pixels (1080p) at line rates ranging 

from 384kbp to 6Mbps (with MPM+). Video display is in full screen mode 

only and video is switched to the speaker.
HD Video Switching uses less system resources than HD CP: only one CIF 

video resource per participant for HD resolution.
The supported conference size is up to 80 video participants and 120 voice 

participants. 
High Definition Video Switching conferences require:
•

All participants to have HD compliant endpoints.

•

All participants to connect using the same conference line rate.

The recommended number of connections at HD1080p resolution in an 

RMX with two MPM+ cards is:
•

160 participants at line rates of up to 2Mbps

•

80 participants at line rates of up to 4Mbps

•

40 participants at line rates of up to 6Mbps

•

The display aspect ratio is 4x3 or 16x9.

•

Site names, skins, etc... are not supported in HD Video Switching.

•

Video forcing is enabled at the conference and participant levels.

•

Endpoints that do not support HD or are unable to meet these 

requirements connect as Secondary (audio only).

High Definition Video Switching conferencing mode is unavailable to ISDN 
participants.