Cisco Cisco TelePresence Video Communication Server Expressway
Note that the regular expression used to prevent local domains being searched via the DNS zone can be
broken down into the following components:
broken down into the following components:
(.*) = match all pattern strings
(?!.*@%localdomains%.*$).* = do not match any pattern strings ending in @localdomains
In the deployment example, calls destined for @cisco.com would be searched via the DNS zone, whereas
calls destined for @example.com would not.
calls destined for @example.com would not.
Task 13: Configuring external (unknown) IP address routing
The following configuration defines how a VCS routes calls (and other requests) to external IP addresses. An
external IP address is an IP address which is not ‘known’ to the VCS and therefore assumed to be a publicly
routable address.
external IP address is an IP address which is not ‘known’ to the VCS and therefore assumed to be a publicly
routable address.
Known IP addresses are addresses defined in a subzone (using a subzone membership subnet rule) or the IP
address of an H.323 registered device.
address of an H.323 registered device.
n
All requests destined for external IP addresses, originating at the VCS Control are routed to the VCS
Expressway using a search rule.
Expressway using a search rule.
n
The VCS Expressway then attempts to open a connection directly to the IP address.
To configure how the VCS will handle calls to unknown IP addresses:
1. Go to
Configuration > Dial plan > Configuration
.
2. Configure the fields as follows:
Cisco TelePresence Video Communication Server Basic Configuration (Control with Expressway) Deploy-
ment Guide (X8.5.2)
ment Guide (X8.5.2)
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Routing configuration