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D14049.04
JULY 2008
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TANDBERG VIDEO COMMUNICATIONS SERVER
ADMINISTRATOR GUIDE
Introduction Getting Started
Overview and
Status
System
Conguration
VCS
Conguration
Zones and
Neighbors
Call
Processing
Bandwidth
Control
Firewall
Traversal
Appendices
Applications Maintenance
The TANDBERG VCS
VCS Control
The VCS Control provides internal video control and administration for all SIP and H.323 devices.
It is normally deployed within your wide area network with endpoints that are behind the same
rewalls or NAT devices.
The VCS Control replaces the need to have separate H.323 gatekeeper, SIP registrar and H.323 -
SIP gateway servers.
VCS Base Applications
VCS Expressway™
The VCS Expressway provides standards-based rewall traversal for SIP and H.323 devices allowing
secure rewall traversal of any rewall or NAT device. As well as all the functionality of a VCS
Control, it also provides registration of traversal-enabled devices and STUN Discovery and STUN
Relay services.
The VCS Expressway is normally deployed outside of your rewall or within the DMZ.