| Video | 
| Communication
protocol | H.323 (ITU-T) | 
| Video codec
format | H.261, H.263, H.264 | 
| Video
resolution | 1080i (full screen Video Switch only), 720p,
W432p, WCIF, 4CIF, CIF, QCIF | 
| Video aspect
ratio | 4:3 or 16:9 | 
| H.239 content
sharing | Codec - H.263, Resolution - XGA | 
| Video
mode | Full screen (Video Switching mode), Split screen
(CPn mode) max. 16 split screen display, Highlight speaker and
display terminal name | 
| Video switching
mode | Voice switch, Time switch, Manual switch
(Chairman, Selected user) | 
| Audio | 
| Audio
mixing | Audio mix of 5 loudest speakers as default, AGC
(Automatic Gain Control) | 
| Meeting
type | 
| Normal
meeting | All users have equal authority of speaker
start/stop, etc. | 
| Chairman control
meeting | Chairman has authority of speaker start/stop,
changing display layout, etc. | 
| Access | 
| Access method to
meeting | Calling out from endpoint (H.323 alias, E.164
number), Calling out endpoint from MCU, Leaving by user operation,
Leaving by administrator's or chairman's operation | 
| Access
control | Setting access control for each meetings, Limit by
H.323 alias, E.164 number, IP address, Setting for maximum
connected users | 
| Bandwidth | 
| Bandwidth
Limitation | Max. bandwidth for each meeting and each user,
Max. total bandwidth setting | 
| Max. Bandwidth control
method (Static) | New endpoint cannot enter when it reaches max.
bandwidth | 
| Max. Bandwidth control
method (Dynamic) | New endpoint can enter when it reaches max.
bandwidth, bandwidth is separate by all endpoints | 
| Meeting
scheduling | 
| Scheduling
mode | Always activate, Scheduled (one time, everyday,
every week, every month), Calling out from MCU at reserved starting
time | 
| Number of connected
site |  | 
| Single
screen | Max. 500 endpoints | 
| HD CP4
conference | Max. 250 (768kbps), Max. 200
(1.5Mbps) | 
| SD CP4
conference | Max. 400 (384kbps) | 
| General | 
| Number of
license | 20 | 
| Support
Pack | No (“Support Pack” is an after-sales
service package. For details, please contact your nearest Sony
office or authorized dealer.) | 
| Administrative
operation | VC Online web-based central
management | 
| Languages | Japanese, English | 
| Meeting reservation
system | Web-based meeting reservation
function | 
| Shared phone
book | Embedded shared phone book server of SONY PCS
series | 
| Firmware
update | Embedded firmware update function of SONY
PCS-XG80, PCS-XG55 |