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H.323
About H.323 on the VCS
The VCS supports the H.323 protocol: it is an H.323 gatekeeper. It will also provide
between H.323 and SIP, translating between the two protocols to enable endpoints that only
support one of these protocols to call each other. In order to support H.323, the
be enabled.
Using the VCS as an H.323 gatekeeper
As an H.323 gatekeeper, the VCS accepts registrations from H.323 endpoints and provides call
control functions such as address translation and admission control.
To enable the VCS as an H.323 Gatekeeper, you must ensure that
configuration > Protocols >
H.323).
This is the default setting, so the VCS will work as an H.323 gatekeeper "out of the box",
without any other special configuration.
Overview and
Introduction
Getting started
status
D14049.05
February 2009
H.323 overview
H.323 mode
H.323 mode
is set to
System
VCS
configuration
configuration
H.323 endpoints in your network must register with the VCS in order to use it as their gatekeeper.
There are two ways an H.323 endpoint can locate a VCS with which to register: manually or
interworking
automatically. The option is configured on the endpoint itself under the
setting (consult your endpoint manual for how to access this setting).
must
•
If the mode is set to automatic, the endpoint will try to register with any VCS it can find. It does
this by sending out a Gatekeeper Discovery Request, to which eligible VCSs will respond.
•
If the mode is set to manual, you must specify the IP address of the VCS with which you wish
your endpoint to register, and the endpoint will attempt to register with that VCS only.
On (VCS
Zones and
Call
Bandwidth
neighbors
processing
control
57
TANDBERG
VIDEO COMMUNICATIONS SERVER
H.323 endpoint registration
Gatekeeper Discovery
Firewall
Applications
Maintenance
traversal
ADMINISTRATOR GUIDE
Appendices
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