[Freeswitch-users] Occasional Dropped call at 30 seconds

[Steven Ayre]

You could also look at the
https://freeswitch.org/confluence/display/FREESWITCH/NDLB options such as
forcing rport. But it's far better to solve it properly at the client end
than implement workarounds at the server end.

On Mon, 13 May 2019 at 12:09, Alexander Neilson <alexander at neilson.net.nz>
wrote:

> This link is for a different phone system.
>
> But it looks like you may need to get two setting options to avoid the
> random translations of port.
>
> https://www.3cx.com/docs/sonicwall-firewall-configuration/
>
> Regards
> Alexander
>
> Alexander Neilson
> Neilson Productions Limited
> 021 329 681
> alexander at neilson.net.nz
>
> On 11/05/2019, at 03:47, David Villasmil <david.villasmil.work at gmail.com>
> wrote:
>
> +1
>
> On Fri, 10 May 2019 at 16:08, Vallimamod Abdullah <vma at vallimamod.org>
> wrote:
>
>> Hi,
>>
>> a 30s delay (more exactly, 32s) is for sure a nat issue: you are not
>> receiving the final ACK.
>>
>> Check if there is a SIP ALG enabled on your SonicWall and try to disable
>> it.
>>
>> Best Regards,
>> --
>> Vallimamod Abdullah
>> SIP Solutions
>> vma at sip.solutions
>> linkedin.com/in/vallimamod
>> .
>>
>>
>> On 10 May 2019, at 16:10, Sean Devoy <sdevoy at bizfocused.com> wrote:
>>
>> Hi all,
>>
>> I have a problem with one client where the call is fine and they can talk
>> for almost exactly 30 seconds, then the log says originating phone (of FS)
>> hung up.  This only happens like 1% to 5% of the time.
>>
>> The phones are Mitel 6867i and 6865i which must use TCP not UDP.  The
>> firewall is a $#!#&* SonicWall.  I am 99% convinced it is the firewall.  It
>> happened once on a Cisco phone using UDP so I increased the firewall UDP
>> timeout.  I already have keep-alive set to 30 seconds.  It has not recurred
>> on UDP phones since.
>>
>> Any ideas on something to do to Mitel config or SonicWall that might
>> prevent a drop after 30 seconds?
>>
>> I have considered PCAP, but with so few occurrences I am worried about
>> PCAP size before I get a “hit.”
>>
>> Thanks,
>> Sean
>>
>>
>> _________________________________________________________________________
>>
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>
> --
> Regards,
>
> David Villasmil
> email: david.villasmil.work at gmail.com
> phone: +34669448337
>
> _________________________________________________________________________
>
> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
> services.
> Build your next product on our scalable cloud platform.
>
> Join our online community to chat in real time
> https://signalwire.community
>
> Professional FreeSWITCH Services
> sales at freeswitch.com
> https://freeswitch.com
>
> Official FreeSWITCH Sites
> https://freeswitch.com/oss
> https://freeswitch.org/confluence
> https://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
> https://freeswitch.com
>
> _________________________________________________________________________
>
> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
> services.
> Build your next product on our scalable cloud platform.
>
> Join our online community to chat in real time
> https://signalwire.community
>
> Professional FreeSWITCH Services
> sales at freeswitch.com
> https://freeswitch.com
>
> Official FreeSWITCH Sites
> https://freeswitch.com/oss
> https://freeswitch.org/confluence
> https://cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
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