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Release Notes
ViewStation EX, ViewStation FX, and VS4000, v. 6.0.4
State-of-the-Art Feature Review
Superior Video with Support for the H.264 Standard
The H.264 standard provides 15 fps video at line rates below 192 Kbps and 30 fps
at line rates from 192 to 384 Kbps. H.264 video is supported in both IP and ISDN
calls.
Available as an option for existing systems. For information about adding the
H.264 option to currently deployed systems, please contact your Polycom
distributor.
Interoperates with other systems using H.264 standard implementations.
You can configure the system to use standards-based 50/60 fields video for calls
at 512 Kbps and above.
Error Concealment allows IP calls to provide high-quality audio and video even
over networks experiencing heavy traffic.
AES Encryption Support
Features of the encryption option include:
Standards-based encryption at all speeds up to 2Mbps, in IP and ISDN calls.
On-screen indicators show whether encryption is in use during calls.
Automatic encryption of point-to-point and multipoint calls is available.
Support for People+Content calls. Video and graphics streams are both
encrypted.
ITU standard key exchange and key management.
Support for National Institute of Standards and Technology (NIST) approved,
FIPS 197 compliant 128-bit AES encryption with extended Diffie-Hellman key
distribution recommended by the H.235 (version 3) standard for IP networks and
the H.233/H.234 standard for ISDN networks.
Interoperates with VSX, iPower, and MGC.
Interoperates with other systems using the H.233/H.234/H.235 (version 3)
standard encryption implementation.
For information about purchasing the encryption option, please contact your
Polycom distributor.
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