[Freeswitch-users] 2 FS with shared database, cannot call subscribers on different servers

Thu Nov 26 15:37:15 MSK 2015

If I was to setup 2 Kamailios (for redundancy sort of) in front of my 2
FreeSWITCH's,
should be users then register with Kamailio or just be dispatched from
Kamailio to FreeSWITCH?

Just for handling NAT.

On Thu, Nov 26, 2015 at 10:57 AM, Michael Nielsen <mic.niel84 at gmail.com>
wrote:

> Apparently it's quite unstable still... :(
>
> So perhaps Kamailio is the way to go.
>
> How does Kamailio handle cluster setup, so I'll have 2 Kamailio's with
> shared database?
>
> On Thu, Nov 26, 2015 at 10:17 AM, Michael Nielsen <mic.niel84 at gmail.com>
> wrote:
>
>> It actually seems to work in all cases if I type in my public IP for both
>> serves in vars.xml for external-rtp-ip and external-sip-ip and use that for
>> internal.xml on ext-rtp-ip and ext-sip-ip...
>>
>> Does this make sense or have I missed anything, because it seems to work
>> in all cases...
>>
>> On Thu, Nov 26, 2015 at 9:58 AM, Luke Milbourne <luke.milbourne at gmail.com
>> > wrote:
>>
>>> Hi Michael,
>>>
>>> I'd recommend using something like Kamailio or Opensips in front of the
>>> FreeSWITCH boxes.
>>>
>>> From personal experience (with Kamailio) the learning curve is quite
>>> steep (for me it was at least), but it definitely pays off in the end, plus
>>> it greatly improved my understanding of SIP.
>>>
>>> STUN is used for devices to discover their public address, so wouldn't
>>> help the situation you currently face.
>>>
>>> Just my input.
>>>
>>> Regards,
>>> Luke
>>>
>>>
>>> On 26 November 2015 at 08:22, <
>>> freeswitch-users-request at lists.freeswitch.org> wrote:
>>>
>>>> Send FreeSWITCH-users mailing list submissions to
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>>>> When replying, please edit your Subject line so it is more specific
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>>>>
>>>> Today's Topics:
>>>>
>>>>    1. Re: Trouble in installation of mod_bcg729 (bhavik patel)
>>>>    2. Re: 2 FS with shared database, cannot call subscribers on
>>>>       different servers (Michael Nielsen)
>>>>
>>>>
>>>> ---------- Forwarded message ----------
>>>> From: bhavik patel <bhavikpatel14388 at gmail.com>
>>>> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
>>>> Cc:
>>>> Date: Thu, 26 Nov 2015 11:44:14 +0530
>>>> Subject: Re: [Freeswitch-users] Trouble in installation of mod_bcg729
>>>> Sorry I wasn't aware about such things. I deeply apologize for posting
>>>> such things in forum.
>>>> I will take care about that.
>>>>
>>>> On Wed, Nov 25, 2015 at 8:02 PM, Ken Rice <krice at freeswitch.org> wrote:
>>>>
>>>>> Civil or Criminal I don’t think really matters here, as the Project
>>>>> has made the decision to not support this particular piece of software due
>>>>> to legal liabilities that arise from it. And we ask that people don’t link
>>>>> it or ask for support of it on the mailing list.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
>>>>> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Michael
>>>>> Giagnocavo
>>>>> *Sent:* Wednesday, November 25, 2015 2:44 AM
>>>>> *To:* FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
>>>>> *Subject:* Re: [Freeswitch-users] Trouble in installation of
>>>>> mod_bcg729
>>>>>
>>>>>
>>>>>
>>>>> Isn’t patent infringement not illegal, but just a civil issue
>>>>> (depending on jurisdiction anyways)? Not that I disagree with the FS
>>>>> project’s stance, given their relation with Sipro, and the little to be
>>>>> gained by freely helping others avoid a $10 channel fee. Probably best to
>>>>> avoid any appearance of not playing by their rules.
>>>>>
>>>>>
>>>>>
>>>>> But the source in these mod simply links Intel’s code to FS, so by
>>>>> itself I highly doubt it is infringing any patents as it does nothing; the
>>>>> IPP code isn’t distributed. Just like FS doesn’t infringe the G.729 patents
>>>>> by having a linking/plugin system. Only making the complete mod including
>>>>> the patented parts, using it, or distribution of the full mod is likely to
>>>>> be infringing. Perhaps offering advice on how to do so is a bad idea, too?
>>>>>
>>>>>
>>>>>
>>>>> It’s hard to really know how it’d be handled as there doesn’t seem to
>>>>> be any cases to tell us. But FFmpeg (at least 2^24 times more popular than
>>>>> these mods) says on their site that they haven’t had problems, nor have
>>>>> private users. But commercial users end up getting a call from the MPEG
>>>>> patent folks to pay up. So that at least shows one consortium apparently OK
>>>>> with letting code exist and get around, but will move against anyone
>>>>> actually using it for realsies. Maybe someone can let us know what Sipro
>>>>> has done and why they haven’t killed all the sites hosting open-source
>>>>> G.729 modules for FS and others.
>>>>>
>>>>>
>>>>>
>>>>> I’d be happy to chat off list I that’s better.
>>>>>
>>>>>
>>>>>
>>>>> IANAL,
>>>>>
>>>>> -Michael
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> _________________________________________________________________________
>>>>> Professional FreeSWITCH Consulting Services:
>>>>> consulting at freeswitch.org
>>>>> http://www.freeswitchsolutions.com
>>>>>
>>>>> Official FreeSWITCH Sites
>>>>> http://www.freeswitch.org
>>>>> http://confluence.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
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Thanks,
>>>> Bhavik Patel
>>>>
>>>>
>>>>
>>>> ---------- Forwarded message ----------
>>>> From: Michael Nielsen <mic.niel84 at gmail.com>
>>>> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
>>>> Cc:
>>>> Date: Thu, 26 Nov 2015 09:22:00 +0100
>>>> Subject: Re: [Freeswitch-users] 2 FS with shared database, cannot call
>>>> subscribers on different servers
>>>> I see. That make sense at least.
>>>> What about FreeSWITCH's stun.freeswitch.org for:
>>>>
>>>>     <param name="ext-rtp-ip" value="stun:stun.freeswitch.org"/>
>>>>
>>>>     <param name="ext-sip-ip" value="stun:stun.freeswitch.org"/>
>>>>
>>>>
>>>> Should that help? Or is it more complicated than so? I could always
>>>> create my own stun server if this would fix the issue...
>>>>
>>>> On Wed, Nov 25, 2015 at 10:37 PM, Dave Horton <dave at dchorton.com>
>>>> wrote:
>>>>
>>>>> OK, the traces show that this is a client nat issue.  The client
>>>>> device is behind a firewall (we can see in the REGISTER that the device has
>>>>> a private address of 192.168.1.51) and establishes a TLS connection to the
>>>>> FS1.  Later, FS #2 attempts to establish a  TLS connection of the public
>>>>> address the client is sending from (83.91.31.126:53393) and send the
>>>>> call there, but this fails.  As someone stated earlier in the thread, the
>>>>> pinhole on the client’s firewall/nat is associated to FS #1 and FS#2 (or
>>>>> any other server) will not able to send through it.
>>>>>
>>>>> In larger networks, these problems are solved by using an SBC (session
>>>>> border controller) as the edge device in the service provider network.
>>>>>
>>>>> Another option that was mentioned earlier was Kamailio as that type of
>>>>> device — in this case a SIP proxy load balancing across your two freeswitch
>>>>> servers.  That may work as well (I’m not familiar enough with Kamalio to
>>>>> know for sure).
>>>>>
>>>>> The final option that was discussed was to come up with some way for
>>>>> the FS receiving the incoming call to the subscriber/device to redirect or
>>>>> forward the call to the specific FS that handled the registration for that
>>>>> subscriber/device. I haven’t done this before so I haven’t worked out all
>>>>> the details, but you would need to make sure the FS server IP was saved as
>>>>> part of the registration and then have a dial plan that recognizes the
>>>>> target device registered against a different FS and redirect (ideally) the
>>>>> call to that FS.
>>>>>
>>>>> Dave
>>>>>
>>>>> On Nov 25, 2015, at 2:38 PM, Michael Nielsen <mic.niel84 at gmail.com>
>>>>> wrote:
>>>>>
>>>>> No, it doesn't seems as if fs1 is getting anything from fs2 (or the
>>>>> client connected to fs2).
>>>>>
>>>>> On Wednesday, November 25, 2015, Dave Horton <dave at dchorton.com>
>>>>> wrote:
>>>>>
>>>>>> Hmm, there is no incoming call (INVITE) attempt in the pastebin for
>>>>>> the failed call..
>>>>>>
>>>>>>
>>>>>> On Nov 25, 2015, at 6:35 AM, Michael Nielsen <mic.niel84 at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>> This is from fs1, users do NOT receive call:
>>>>>> http://pastebin.com/enzUVDCf
>>>>>>
>>>>>> This is from fs2, user MAKES call:
>>>>>> http://pastebin.com/g3uCRd87
>>>>>>
>>>>>> Both logs should contain registering clients.
>>>>>>
>>>>>> On Tue, Nov 24, 2015 at 8:16 PM, Giovanni Maruzzelli <
>>>>>> gmaruzz at gmail.com> wrote:
>>>>>>
>>>>>>> would you please do from fs_cli:
>>>>>>>
>>>>>>> sofia global siptrace on
>>>>>>>
>>>>>>> on both freeswitch servers, do again the call, and then pastebin the
>>>>>>> results (in both servers) ?
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Nov 24, 2015 at 8:07 PM, Michael Nielsen <
>>>>>>> mic.niel84 at gmail.com> wrote:
>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> ---------- Forwarded message ----------
>>>>>>>> From: *Michael Nielsen* <mic.niel84 at gmail.com>
>>>>>>>> Date: Tuesday, November 24, 2015
>>>>>>>> Subject: 2 FS with shared database, cannot call subscribers on
>>>>>>>> different servers
>>>>>>>> To: Luis Daniel Lucio Quiroz <luis.daniel.lucio at gmail.com>
>>>>>>>>
>>>>>>>>
>>>>>>>> This is my log when it fails:
>>>>>>>> http://pastebin.com/ZqLbcGg4
>>>>>>>>
>>>>>>>> Whenever calls are coming into fs1 it cannot receive users who are
>>>>>>>> registrered via fs2 and vise versa.
>>>>>>>> Whenever users are registrered on the same server they can reach
>>>>>>>> each other.
>>>>>>>> They register with the same domain (fs), because my DNS is using
>>>>>>>> round robin between fs1 and fs2.
>>>>>>>>
>>>>>>>>
>>>>>>>> On Mon, Nov 23, 2015 at 8:35 PM, Luis Daniel Lucio Quiroz <
>>>>>>>> luis.daniel.lucio at gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Is this what you are looking for?
>>>>>>>>>
>>>>>>>>> https://okay.com.mx/es/emprendedores/balanceo-cluster-y-alta-disponibilidad-con-fusionpbx.html
>>>>>>>>>
>>>>>>>>> change the elements to fit your needs, it shows the main idea only
>>>>>>>>>
>>>>>>>>> Luis Daniel Lucio Quiroz
>>>>>>>>> CISSP, CISM, CISA
>>>>>>>>> Linux, VoIP and much more fun
>>>>>>>>> www.okay.com.mx
>>>>>>>>>
>>>>>>>>> Need LCR? Check out LCR for FusionPBX with FreeSWITCH
>>>>>>>>> Need Billing? Check out Billing for FusionPBX with FreeSWITCH
>>>>>>>>>
>>>>>>>>> 2015-11-23 6:18 GMT-05:00 Michael Nielsen <mic.niel84 at gmail.com>:
>>>>>>>>>
>>>>>>>>>> I've got 2 Freeswitch 1.6.2 setup on different servers:
>>>>>>>>>> fs1.my-domain.com and fs2.my-domain.com.
>>>>>>>>>>
>>>>>>>>>> I've got a DNS record with 2 A-records for the servers.
>>>>>>>>>>
>>>>>>>>>> When two users ends up on he same server they can call each
>>>>>>>>>> other. If they land on different servers they cannot. Then they endt up in
>>>>>>>>>> voicemail.
>>>>>>>>>>
>>>>>>>>>> I'm running the servers with a shared database in postgresql.
>>>>>>>>>>
>>>>>>>>>> Should I do anything else besides db in the core for FS?
>>>>>>>>>>
>>>>>>>>>> They are registrering with the same "main" domain which is
>>>>>>>>>> fs.my-domain.com.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>>> consulting at freeswitch.org
>>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>>
>>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>> http://confluence.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://confluence.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
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Sincerely,
>>>>>>>
>>>>>>> Giovanni Maruzzelli
>>>>>>> Cell : +39-347-2665618
>>>>>>>
>>>>>>>
>>>>>>> _________________________________________________________________________
>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>> consulting at freeswitch.org
>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>
>>>>>>> Official FreeSWITCH Sites
>>>>>>> http://www.freeswitch.org
>>>>>>> http://confluence.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://confluence.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://confluence.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://confluence.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
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> 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
>>>>
>>>>
>>>
>>>
>>> --
>>> Luke Milbourne
>>> <luke.milbourne at gmail.com>
>>>
>>> Tel: 07857154817
>>> Google Talk/Email: luke.milbourne at gmail.com
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://confluence.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
>>>
>>
>>
>
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