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Interzone communication with local defined zones

We have defined two local zones. The internal zone allows only to register from an private network. The other zone allows to register clients from all other zone. The gatekeeper is accessible through static nat from the outside.

Netmeeting clients from the different networks are registered in the right zone. Clients in the same zone can talk eachother. If we try to connect to an user in the other zone, we get a message that the specified user is not registerd in any zone.

Our question: How can users from one zone see other users in the other zone, and how can they connect ? Should the h323-id of the client have a suffix like the zone name?


zone local internal 10.x.x.x

zone local external

zone subnet internal 10.x.x.x/24 enable

no zone subnet internal default enable

no zone subnet external 10.x.x.x/24 enable

zone subnet external default enable


.use-proxy internal remote-zone external inbound-to terminal

use-proxy internal remote-zone external outbound-from terminal


no shutdown

Further the proxy function between the terminals of both zone is activated. the proxy interface is defined on the physical interface.


Re: Interzone communication with local defined zones

Some of these cisco documents could help you solve the problem.

Basic Two Zone Gateway - Gatekeeper Configuration

Configuring Basic Gatekeeper Call Admission Control

Understanding Cisco IOS H.323 Gatekeeper Call Routing

Configuring a Cisco IOS H.323 Gateway for Use with Cisco CallManager

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