Cisco TelePresence Video Communication Server Administrator's Manual page 252

</cpl>
CPL example: allow calls from locally registered endpoints only
In this example, the administrator only wants to allow calls that originate from locally registered
endpoints.
<?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 field="registered-origin">
<not-present>
<reject status="403" reason="Only local endpoints can use this
VCS"/>
</not-present>
</address-switch>
</taa:routed>
</cpl>
CPL example: block calls from Default Zone and Default Subzone
The script to allow calls from locally registered endpoints only
configured zones but not from the Default Zone or Default Subzone.
<?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 field="registered-origin">
<not-present>
<address-switch field="originating-zone">
<address is="DefaultZone">
</address>
<address is="DefaultSubZone">
</address>
<otherwise>
Cisco VCS Administrator Guide (X6.1)
<!-- Reject call with a status code of 403 (Forbidden) -->
<reject status="403" reason="Denied by policy"/>
<!-- Reject call with a status code of 403 (Forbidden) -->
<reject status="403" reason="Denied by policy"/>
<proxy/>
Reference material
can be extended to also allow calls from
Page 252 of 401