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 From:  Matthias Kessler <Matthias dot Kessler at RZ dot Uni dash Augsburg dot DE>
 To:  m0n0wall at lists dot m0n0 dot ch
 Subject:  SIP Problem
 Date:  Wed, 01 Mar 2006 17:33:56 +0100
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Hello!

I have a problem with my SIP account. It does register without a
problem. I can also make outgoing calls.

But when another person with the same SIP registrar wants to call me he
always gets an timeout. In the firewall log i can see incoming UDP
packets from the sip-server (e.g. sip0.schlund.de) to my monowall. The
NAT rules must work too because is also see incoming UDP packets from
there to my internal fritzbox.

But all these packets get blocked. I also can't see the source and
destination port of those packets. What can I do to see why those
packets get blocked?

Thanks for every help,
Matthias

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