Any further ideas?  I'm not sure if the snapshot I had attached showed
up or not....

AJ

On Wed, Oct 26, 2011 at 8:57 PM, Adrien Guillon <aj.guil...@gmail.com> wrote:
> Yes, my trunk is using the public address.
>
> Earlier in this thread, I pasted the relevant iptables rules.  This is
> a linux firewall, and the relevant NAT rules are:
>
> # Enable masquerading
> iptables -t nat -A POSTROUTING -o $WAN_IFACE -j SNAT --to-source
> 123.123.123.123 # this is my external IP
>
> # Port forward SIP to voipserver
> iptables -t nat -A PREROUTING --dest 123.123.123.123 -p udp --dport
> 5060 -j DNAT --to-destination 10.0.0.6
> iptables -t nat -A PREROUTING --dest 123.123.123.123 -p udp --dport
> 5080 -j DNAT --to-destination 10.0.0.6
> iptables -t nat -A PREROUTING --dest 123.123.123.123 -p tcp --dport
> 5060 -j DNAT --to-destination 10.0.0.6
> iptables -t nat -A PREROUTING --dest 123.123.123.123 -p tcp --dport
> 5080 -j DNAT --to-destination 10.0.0.6
> iptables -t nat -A PREROUTING --dest 123.123.123.123 -p udp --dport
> 30000:31000 -j DNAT --to-destination 10.0.0.6
>
> On Wed, Oct 26, 2011 at 7:03 PM, Tony Graziano
> <tgrazi...@myitdepartment.net> wrote:
>> what kind of firewall is this?
>>
>> On Oct 26, 2011 6:50 PM, "Tony Graziano" <tgrazi...@myitdepartment.net>
>> wrote:
>>>
>>> On Oct 26, 2011 6:21 PM, "Adrien Guillon" <aj.guil...@gmail.com> wrote:
>>> >
>>> > To address your points:
>>> >
>>> > >    sipx server should be behind NAT. It's IP address should be using
>>> > > stun or have the public address manually input.
>>> >
>>> > The public address has been input into Devices -> Gateway -> xxx ->
>>> > NAT -> Public IP address
>>> >
>>> > >    the itsp should NOT be doing nat traversal for you.
>>> >
>>> > I have configured their web interface to indicate I am not behind a NAT.
>>> >
>>> > >    stop using the iptables sip conntrack modules, they will not be of
>>> > > any help. just setup iptables to do symmetric nat.
>>> >
>>> > Done, I have removed them.
>>> >
>>> > >    make sure your trunk say to use the public address for call setup.
>>> >
>>> > Not sure how to do this.
>>>
>>> system>server>nat
>>> >
>>> > Please see the attached sip log, and thanks for all of your help :-)
>>> > A call was dropped around 18:18:53, the first call I made I tried the
>>> > wrong extension so I disconnected myself.
>>> >
>>> > AJ
>>> >
>>> > On Wed, Oct 26, 2011 at 2:04 PM, Tony Graziano
>>> > <tgrazi...@myitdepartment.net> wrote:
>>> > > They have not so far, because there is a public IP showing in the FS
>>> > > negotiation. I don't think it should be there when you are behind NAT.
>>> > > I
>>> > > checked mine and it did not do that.
>>> > >
>>> > > On Wed, Oct 26, 2011 at 1:59 PM, Adrien Guillon <aj.guil...@gmail.com>
>>> > > wrote:
>>> > >>
>>> > >> Before we get too far into the analysis, can someone confirm that my
>>> > >> NAT looks about right, to eliminate that issue first?
>>> > >>
>>> > >> AJ
>>> > >>
>>> > >> On Wed, Oct 26, 2011 at 11:54 AM, Tony Graziano
>>> > >> <tgrazi...@myitdepartment.net> wrote:
>>> > >> > it is probably more so of an issue with the way the carrier treats
>>> > >> > reinvite.
>>> > >> > I don't recall seeing a not allowed here in the trace files so I
>>> > >> > don't
>>> > >> > know
>>> > >> > why codec is being brought up. there are multiple things wrong with
>>> > >> > his
>>> > >> > firewall config so maybe once that is fixed this will be easier to
>>> > >> > work
>>> > >> > on.
>>> > >> >
>>> > >> > On Oct 26, 2011 11:46 AM, "winson (Elabram)"
>>> > >> > <winson.k...@elabram.com>
>>> > >> > wrote:
>>> > >> >>
>>> > >> >> .... is it codec issue?
>>> > >> >>
>>> > >> >>
>>> > >> >> On 26/10/2011 04:07, Adrien Guillon wrote:
>>> > >> >> > Hi everyone,
>>> > >> >> >
>>> > >> >> > I have been working on incoming calls from a sip trunk, and
>>> > >> >> > debugging
>>> > >> >> > potential issues.  Right now, calls are disconnected immediately
>>> > >> >> > after
>>> > >> >> > I dial an extension from the AA (when I call externally).  I'm
>>> > >> >> > pretty
>>> > >> >> > sure the NAT is configured properly, and I'm starting to narrow
>>> > >> >> > down
>>> > >> >> > the problem.  The NAT uses nf_conntrack_sip rather than
>>> > >> >> > explicitly
>>> > >> >> > opening RTP ports.  I used tcpdump to monitor incoming calls,
>>> > >> >> > and I
>>> > >> >> > find events such as (right before disconnection):
>>> > >> >> >
>>> > >> >> > 19:40:25.689135 IP bm-srv-01.voicenetwork.ca>  123.456.1.12:
>>> > >> >> > ICMP
>>> > >> >> > bm-srv-01.voicenetwork.ca udp port 19222 unreachable, length 208
>>> > >> >> >
>>> > >> >> > I have discussed this with a friend, and one potential issue
>>> > >> >> > could be
>>> > >> >> > how the phone network is configured.  My phones are firewalled
>>> > >> >> > so
>>> > >> >> > that
>>> > >> >> > they can only communicate with the SipX server.  I am not sure
>>> > >> >> > if the
>>> > >> >> > transfer negotiation is attempting to pass the connection
>>> > >> >> > directly to
>>> > >> >> > the phone, which then has no path back (and is not really
>>> > >> >> > reachable
>>> > >> >> > from the NAT system).
>>> > >> >> >
>>> > >> >> > Any suggestions?
>>> > >> >> >
>>> > >> >> > AJ
>>> > >> >> > _______________________________________________
>>> > >> >> > sipx-users mailing list
>>> > >> >> > sipx-users@list.sipfoundry.org
>>> > >> >> > List Archive: http://list.sipfoundry.org/archive/sipx-users/
>>> > >> >> >
>>> > >> >>
>>> > >> >> _______________________________________________
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>>> > >> >
>>> > >> > _______________________________________________
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>>> > >> >
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>>> > >> List Archive: http://list.sipfoundry.org/archive/sipx-users/
>>> > >
>>> > >
>>> > >
>>> > > --
>>> > > ======================
>>> > > Tony Graziano, Manager
>>> > > Telephone: 434.984.8430
>>> > > sip: tgrazi...@voice.myitdepartment.net
>>> > > Fax: 434.465.6833
>>> > >
>>> > > Email: tgrazi...@myitdepartment.net
>>> > >
>>> > > LAN/Telephony/Security and Control Systems Helpdesk:
>>> > > Telephone: 434.984.8426
>>> > > sip: helpd...@voice.myitdepartment.net
>>> > >
>>> > > Helpdesk Contract Customers:
>>> > > http://support.myitdepartment.net
>>> > > Blog:
>>> > > http://blog.myitdepartment.net
>>> > >
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>>> > >
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>>> > >
>>> >
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>>> > List Archive: http://list.sipfoundry.org/archive/sipx-users/
>>
>> _______________________________________________
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>> List Archive: http://list.sipfoundry.org/archive/sipx-users/
>>
>
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