I have (had) a similar setup at one time. I'm running freebsd/pf on each
nat box. Asterisk is behind one, an xten softphone behind the other.
I watched the SIP traffic on both the incoming and outgoing interfaces
(pre/post nat) of each box. You can then generally see whats wrong, and
as a huge plus, learn a lot more about how SIP/RTP actually works ..
That coupled with the firewall log (I deny/log all by default) and the
firewall debut output ( I have had, and am still having in a couple of
weird cases, state clashes) you can usually identify the problem ..
Or you could post your details and let someone have a stab at helping,
unless there are any psychics here :-)
Tim
Aaron O'Hara wrote:
All,
I have my * box NAT'd with all ports forwarded that are SIP related
(based on Wiki). I also have nat=yes, externalip=WAN address of
firewall, internalip=LAN network of *.
I have my Xten soft phone on a PC which is NAT'd behind firewall with
ports forwarded. I have also followed instructions on Wiki for Xten.
I can authenticate fine, and sip show peers shows my extension is OK,
but whenever I dial another SIP or zap channel, I can a "max retries
exceeded" on my * box.
Can somebody post a working config with * behind firewall w/ports
forwarded and xten behind firewall w/ports forwarded?
Thanks,
-- Aaron
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