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

Tue Mar 20 21:11:29 MSK 2012

Andrew,

I did check this on the HT286, it was unset. I set it to the FS server IP,
but I got the same results.

-BDF

On Tue, Mar 20, 2012 at 1:35 PM, Andrew Cassidy <
andrew at cassidywebservices.co.uk> wrote:

> My thought at this stage is that the ATA is trying to send the ACK
> directly and not to FreeSWITCH using the Contact header. If I recall
> correctly, GS's can be configured with both a registrar and an outbound
> proxy. Try setting the outbound proxy to the FreeSWITCH box, see what
> happens.
>
>
> On 20 March 2012 17:15, 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
>>>>>
>>>>> 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 this information is strictly prohibited. E-mail transmission
>>>>> cannot be guaranteed to be secure or error-free as information could be
>>>>> intercepted, corrupted, lost, destroyed, arrive late or incomplete, or
>>>>> contain viruses. The sender therefore does not accept liability for any
>>>>> errors or omissions in the contents of this message, which arise as a
>>>>> result of e-mail transmission. If verification is required please request a
>>>>> hard-copy version.
>>>>>
>>>>>
>>>>
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> http://www.freeswitchsolutions.com
>>>>
>>>> 
>>>> 
>>>>
>>>> Official FreeSWITCH Sites
>>>> http://www.freeswitch.org
>>>> http://wiki.freeswitch.org
>>>> http://www.cluecon.com
>>>>
>>>> FreeSWITCH-users mailing list
>>>> FreeSWITCH-users at lists.freeswitch.org
>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>> UNSUBSCRIBE:
>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>> http://www.freeswitch.org
>>>>
>>>>
>>>
>>>
>>> --
>>> 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
>>> this information is strictly prohibited. E-mail transmission cannot be
>>> guaranteed to be secure or error-free as information could be intercepted,
>>> corrupted, lost, destroyed, arrive late or incomplete, or contain viruses.
>>> The sender therefore does not accept liability for any errors or omissions
>>> in the contents of this message, which arise as a result of e-mail
>>> transmission. If verification is required please request a hard-copy
>>> version.
>>>
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> 
>>> 
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://wiki.freeswitch.org
>>> http://www.cluecon.com
>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> http://www.freeswitch.org
>>>
>>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>>
>
>
> --
> 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
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>
>

-- 
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
this information is strictly prohibited. E-mail transmission cannot be
guaranteed to be secure or error-free as information could be intercepted,
corrupted, lost, destroyed, arrive late or incomplete, or contain viruses.
The sender therefore does not accept liability for any errors or omissions
in the contents of this message, which arise as a result of e-mail
transmission. If verification is required please request a hard-copy
version.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20120320/a3085b03/attachment-0001.html 