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D14049.03
MAY 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
Maintenance Appendices
CPL Reference
Restricting Access to a Local Gateway
In these examples, a gateway is registered to the VCS with a prex of 9 and the administrator wants
to stop calls from outside the organization being routed through it.
We can do this in two ways: using the address-switch node or the rule-switch node.
Examples of each are shown below.
Using the address-switch node
<?xml version="1.0" encoding="UTF-8" ?>
<cpl xmlns="urn:ietf:params:xml:ns:cpl"
xmlns:taa="http://www.tandberg.net/cpl-extensions"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cpl cpl.xsd">
<taa:routed>
<address-switch eld="destination">
<address regex="9(.*)">
<address-switch eld="originating-zone">
<!-- Calls coming from the traversal zone are not allowed to use
this gateway -->
<address is="TraversalZone">
<!-- Reject call with a status code of 403 (Forbidden) -->
<reject status="403" reason="Denied by policy"/>
</address>
</address-switch>
</address>
</address-switch>
</taa:routed>
</cpl>
Using the rule-switch node
<?xml version="1.0" encoding="UTF-8" ?>
<cpl xmlns="urn:ietf:params:xml:ns:cpl"
xmlns:taa="http://www.tandberg.net/cpl-extensions"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:ietf:params:xml:ns:cpl cpl.xsd">
<taa:routed>
<taa:rule-switch>
<taa:rule originating-zone="TraversalZone" destination="9(.*)">
<!-- Calls coming from the traversal zone are not allowed to use
this gateway -->
<!-- Reject call with a status code of 403 (Forbidden) -->
<reject status="403" reason="Denied by policy"/>
</taa:rule>
<taa:rule origin="(.*)" destination="(.*)">
<!-- All other calls allowed -->
<proxy/>
</taa:rule>
</taa:rule-switch>
</taa:routed>
</cpl>
CPL Examples