[Freeswitch-users] NAT issues - Outbound Call drops after~30seconds

Thu Mar 22 12:41:08 MSK 2012

Glad you got your problem sorted in the end Brian.

Do I also remember seeing in this thread someone else with a similar issue?

On 21 March 2012 20:37, Brian Foster <bdfoster at endigotech.com> wrote:

> I'm going to go ahead and mark this issue as solved. The solution was to
> do a make current. There was a bug in FreeSWITCH that was fixed before
> Anthony went on vacation.
>
> If anyone was on conference or if your name is Brian West, if there was a
> specific revision that this was fixed on please chime in for anyone else
> that may have this issue.
>
> Fwiw I actually went ahead and started with a clean install (due to
> deleting the source folder and also not knowing what all I messed with to
> try and solve this issue). After I did the install, both the external and
> internal profile were getting the local ipv4 address. To fix this, I went
> to conf/sip_profiles/external.xml and changed the ext-sip-ip and ext-rtp-ip
> from $${local_ip_v4} to stun:stun.freeswitch.org. After restarting the
> profile, the external profile was getting my external IP and my internal
> profile was getting the local IP.
>
> Thanks to everyone on the conference and on the thread for helping out.
> Brian, for repayment, I'll get you that pic you've always wanted lol.
>
> -BDF
> On Mar 21, 2012 8:43 AM, "Andrew Cassidy" <andrew at cassidywebservices.co.uk>
> wrote:
>
>> I think we also need to check those variables on the internal profile. As
>> said previously it looks like it's doing the tun on the internal profile
>> which is why the ack is being send to the wrong place.
>>
>> On 21 March 2012 06:09, Fernando - NextBilling IP Solutions <
>> fernandojdk at gmail.com> wrote:
>>
>>>     What you have in your external profile on variables ext-rtp-ip end
>>> ext-sip-ip?
>>> 
>>> **
>>>
>>> *
>>> Best Regards,
>>>  Fernando da Silva Santos
>>> NextBilling IP Solutions LTDA
>>> Phone: +55 21 2143-9000
>>> MSN: fernandojdk at gmail.com
>>> www.nextbilling.com.br
>>> Rio de Janeiro, Brazil, BR
>>>    Importante:
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>>> *
>>> *-------Original Message-------*
>>>
>>>  *From:* dingdong <freeswitch at zoho.com>
>>> *Date:* 21/03/2012 02:57:02
>>> *To:* FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
>>> *Subject:* Re: [Freeswitch-users] NAT issues - Outbound Call drops
>>> after~30seconds
>>>
>>> id like to know more bout wireshark and sip debugging,please include
>>> this on the conf call topics
>>>
>>> ---- On Tue, 20 Mar 2012 10:15:20 -0700 *Michael Collins <
>>> msc at freeswitch.org>* wrote ----
>>>
>>> This is why I love Wireshark so much! Look at this purdee graph it makes:
>>>
>>>
>>>
>>>
>>> See all those 200 OK's that your FS is sending to the Grandstream? Guess
>>> what your GS is sending in response to those: NADA! If you look at the BYE
>>> that FS sends to the GS you'll even see the reason:
>>>
>>> SIP;cause=408;text=\"ACK Timeout\"
>>>
>>> FS never gets an ACK back from the GS. So the question is: why? I'm
>>> unfamiliar with the GS so I'll have to defer to those with more experience
>>> than I. However, I think you'll find that tcpdumps and analyzing w/
>>> Wireshark is extremely helpful. (Open the pcap, click "Telephony > VoIP
>>> calls" and then a new dialog opens. In this case it shows two calls -
>>> meaning two call legs. Click "Select All" then click "Flow" and you'll get
>>> the cool graph. Click around and see what other stuff does. :)
>>>
>>> I'm thinking of doing a FreeSWITCH conference call presentation on the
>>> subject of collecting pcaps and doing Wireshark analysis. Let me know if
>>> you guys think that's a good presentation.
>>>
>>> -MC
>>>
>>>
>>> On Tue, Mar 20, 2012 at 10:00 AM, Brian Foster <bdfoster at endigotech.com>wrote:
>>> Andrew,
>>>
>>>  root at homeserver:/usr/local/stund# ./client stunserver.org
>>> STUN client version 0.97
>>> Primary: Independent Mapping, Independent Filter, preserves ports, will
>>> hairpin
>>> Return value is 0x000003
>>>
>>> http://da1.endigovoip.com/dump.pcap
>>>
>>> Kristian,
>>>
>>> http://pastebin.freeswitch.org/18708
>>>
>>> Michael,
>>>
>>> I did replace the IP's for security purposes, but now I've realized that
>>> it's needed and it's not really that big of a deal. I'll end up changing
>>> the Flowroute creds after this is fixed up. The prior siptrace is exactly
>>> one call (two legs). I don't think it's a carrier issue, as I've tried
>>> calling a buddy's server direct sip with the same issues.
>>>
>>> -BDF
>>>
>>> On Tue, Mar 20, 2012 at 11:34 AM, Michael Collins <msc at freeswitch.org>wrote:
>>> We have scores of machines behind NAT talking to Flowroute with no
>>> problems, so there's got to be something potentially non-obvious but easy
>>> that needs to be set/unset. I noticed in the SIP trace that there are
>>> several calls. It's hard to know what's what. I think your best bet is a
>>> pcap analyzed with Wireshark, as was mentioned elsewhere in this thread. I
>>> also noticed that you redacted IP addrs - you won't be able to do this with
>>> a pcap. If security is an issue then I'd say get the pcap and let us know
>>> here on the list, then those who can have a look will email you privately
>>> and you can send the pcap file to them.
>>>
>>> -MC
>>>
>>>
>>> On Mon, Mar 19, 2012 at 12:12 PM, Brian Foster <bdfoster at endigotech.com>wrote:
>>> Alright, so I admit... I'm a little rusty when it comes to NAT, etc.
>>> I've only set up FS so far on machines with no NAT, so this is sort of a
>>> new experience for me.
>>>
>>> I have a FreeSWITCH server located on the same local network as all of
>>> my phones here at the house. When I try to make a call to Flowroute, after
>>> about 30 seconds the call drops. It also does the exact same thing when I
>>> call a buddy's server directly via SIP.
>>>
>>> Here's a siptrace of the call (I didn't think that the actual FS log
>>> would be much help):
>>> http://pastebin.freeswitch.org/18697
>>>
>>> ...and here's a paste of 'sofia status':
>>> http://pastebin.freeswitch.org/18698
>>>
>>> ...and just for good measure, here's a paste of vars.xml:
>>> http://pastebin.freeswitch.org/18699
>>>
>>>
>>> --
>>> Brian D. Foster
>>> Endigo Computer LLC
>>> Email: bdfoster at endigotech.com
>>> Phone: 317-800-7876
>>> Indianapolis, Indiana, USA
>>>
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>>>
>>> _________________________________________________________________________
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>>>
>>> 
>>> 
>>>
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>>>
>>> --
>>> Brian D. Foster
>>> Endigo Computer LLC
>>> Email: bdfoster at endigotech.com
>>> Phone: 317-800-7876
>>> Indianapolis, Indiana, USA
>>>
>>> This message contains confidential information and is intended for those
>>> listed in the "To:", "CC:", and/or "BCC:" fields of the message header. If
>>> you are not the intended recipient you are notified that disclosing,
>>> copying, distributing or taking any action in reliance on the contents of
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>>> transmission. If verification is required please request a hard-copy
>>> version.
>>>
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> 
>>> 
>>>
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>>>
>>> _________________________________________________________________________
>>>
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> 
>>> 
>>>
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>>>
>>> _________________________________________________________________________
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>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> 
>>> 
>>>
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>>>
>>
>>
>> --
>> Andrew Cassidy BSc (Hons) MBCS
>> Managing Director; Cassidy Web Services Ltd
>> T: 03300 100 960 F: 03300 100 961
>> E: andrew at cassidywebservices.co.uk
>> W: www.cassidywebservices.co.uk
>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
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>>
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>>
>>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
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>
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>

-- 
Andrew Cassidy BSc (Hons) MBCS
Managing Director; Cassidy Web Services Ltd
T: 03300 100 960 F: 03300 100 961
E: andrew at cassidywebservices.co.uk
W: www.cassidywebservices.co.uk
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