Problem with Polycoms connecting after PIX upgrade

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May 1st, 2009
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We recently upgraded our PIX from 7.0(2) to 7.2(4), and this appears to have broken our video conferencing connections between Polycoms at two of our sites. We have a site that can connect us, but they can't see us. However, we can't establish a connection from our end. This has been going over a VPN connection between the two sites, but in troubleshooting we decided to use the static nat to a public IP and connect using this. The problem still exists. There is an inspection rule for h.323 and h.225.

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tstanik Thu, 05/07/2009 - 13:19
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Make sure your Polycom suites are configured to use fixed ports. (Admin / ip / firewall I think) If they are, they will use ports 3230 - 3253. If they aren't, they will use random ports (1024-65535) and probably won't make it through your firewall. Try to remove any 'inspect' statements related to H323.


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