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VoIP over VPN through PIX firewall

conceptzone
Level 1
Level 1

‎05-01-2007 07:27 AM - edited ‎03-17-2019 09:01 PM

Is the VOIP over VPN in PIX supported or not?

If supported what is the technical concernes?

I have the following message from the firewall :

PIX-4-405104: H225 message received from faddr/fport to laddr/lport before SETUP

Explanation This message appears after an H.225 message is received out of order. The H.225 message was received before the initial SETUP message, which is not allowed. The PIX Firewall must receive an initial SETUP message for that H.225 call signalling channel before accepting any other H.225 messages.

Ismil El-Shalh

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drolemc
Level 6
Level 6

‎05-07-2007 07:09 AM

It's not recommended. Although VPNs guarantee a secure pipe end-to-end, they don't guarantee latency and variations in latency (Jitter).

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