[Sodom]

I am using Watchguard firewall and i want to use ip telephony which uses H323. (Cisco ATA 186). It works when i used SIP protocol, but i need to run this H323. Any suggestion.
Thanks

[Mat]

I’m not familiar with WatchGuard but we have several customers with ATA units behind firewalls.

You would need to let UDP and TCP traffic through, or punch a hole throught the wall for the specific port you are using.

Useful port numbers can be found at: http://www.iss.net/security_center/advice/Exploits/Ports/default.htm

Hope this helps

Mat.

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