Polycom VIEWSTATION EX, Руководство пользователя

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ViewStation EX User Guide
18 www.polycom.com
Feature Highlights
The following table provides a summary of the ViewStation EX
system’s main features and benefits. Refer also to the ViewStation
EX Technical Specifications in Appendix D for additional
information.
Table 1-1.
Key features of the ViewStation EX system
Feature Description
Video The ViewStation EX system delivers TV quality
video for lifelike conferencing interaction while fully
supporting the H.263 video standard and the new 60
fields/ second ITU standard.
Audio The system provides clear 360 degree, full-duplex,
digital audio with noise suppression, switchable
echo cancellation and automatic gain control, as well
as customized audio—extended audio flexibility via
dual microphone pods and line-level audio input for
custom microphones/mixers.
Camera Support Supports a pan-tilt-zoom camera, a VCR and
document camera input, including support for the
Visual Concert™ DC.
Network Flexibility
T
he system supports the Quad BRI,
V.35/RS-449/RS-530, and Ethernet network
interfaces up to 768 Kbps.
Multipoint
Videoconferencing The ViewStation EX can be upgraded using a
special key to support MultiPoint Plus as an option.
The system contains an embedded four-port MCU
for easy, on-demand, multipoint conferencing.
Up to four sites can participate (over IP and ISDN in
the same call) at 128 Kbps for ISDN and 256 Kbps
for IP for a continuous presence, voice activated, or
a chair control call using the one-button address
book dialing.
Mixed Protocol Dialing Mixed Protocol Dialing enables up to four sites over
IP and ISDN in the same call.
Dial-In Calling While in a video call, other endpoints (IP, ISDN, or
POTS) can dial into the call or easily be added by a
call from the host.