About Zones - Cisco TelePresence Administrator's Manual

About zones

A zone is a collection of endpoints, either all registered to a single system (for example a VCS, Gatekeeper,
or Border Controller), or located in a certain way such as via an ENUM or DNS lookup. Zones are used to:
control through links whether calls can be made between your local subzones and these other zones
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manage the bandwidth of calls between your local subzones and endpoints in other zones
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search for aliases that are not registered locally
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control the services available to endpoints within that zone by setting up its
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control the media encryption capabilities
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You can configure up to 1000 zones. Each zone is configured as one of the following zone types:
Neighbor: a connection to a neighbor system of the local VCS.
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Traversal client: the local VCS is a traversal client of the system being connected to, and there is a firewall
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between the two.
Traversal server: the local VCS is a traversal server for the system being connected to, and there is a
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firewall between the two.
ENUM: the zone contains endpoints discoverable by ENUM lookup.
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DNS: the zone contains endpoints discoverable by DNS lookup.
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The VCS also has a pre-configured
See the Zone configuration
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types.
See the Configuring search and zone transform rules
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targets for search rules.
Cisco VCS Administrator Guide (X7.2)
for SIP calls to and from a zone
Default Zone.
section for information about the configuration options available for all zone
authentication policy
section for information about including zones as
Zones and neighbors
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