[OpenSIPS-Users] Fwd: Opensips as outbound proxy to Freeswitch

Bogdan-Andrei Iancu bogdan at opensips.org
Fri Feb 5 11:01:08 CET 2016


Hi David,

Between 1 and 2, you need to decide what should be the relation between 
opensips and freeswitch.

If you consider opensips "serving" the SIP domain of FS (and have the 
aliasing), then you need to configure the logic for handling 
registrations into OpenSIPS - instead of locally processing the 
REGISTER's, it should simply forward them to FS. Also, all the calls 
targeting the served / local domains should be relayed to FS.

If you want opensips to see FS as an external entity (and consider the 
SIP domain of FS an something remote), you need to re-configure the call 
routing logic - to recognize the SIP domain used by FS and to accept to 
do relay for it (as a trusted peer).

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 02.02.2016 10:44, David Wafula wrote:
>
> ---------- Forwarded message ----------
> From: *David Wafula* <davidwaf at gmail.com <mailto:davidwaf at gmail.com>>
> Date: Tue, Feb 2, 2016 at 10:43 AM
> Subject: Re: [OpenSIPS-Users] Opensips as outbound proxy to Freeswitch
> To: Bogdan-Andrei Iancu <bogdan at opensips.org <mailto:bogdan at opensips.org>>
>
>
> Yes, the opensips.cfg was indeed  messed up. i was tinkering with it. 
> Anyway, i regenerated a clean one, put in the the alias, and happily 
> got registrations going through. And one way audio. Except that i 
> think am missing the big picture.
> My goal is to have Opensips front Freeswitch:
>
> Client  <->  OpenSips  <-> Freeswitch
>
>
> To act as outbound proxy at this stage. As i learn more about it, i 
> hope to get into NATing, loadbalancing etc. Am afraid  i have not 
>  succeeded in achieving this goal unfortunately, yet, though i think 
> am very close. This is what i have done.
>
> 1. Added the alias as advised. The registrations fail. Then when i 
> create  users in opensips, registration work perfectly, and one of the 
> users can call the other. Except that in this case it appears all is 
> happening in Opensips and freeswitch is not in the loop here. Infact, 
> i verified, that obviously registrationds are done on Opensips and not 
> freeswitch.
>
> 2. I removed the alias, deleted the users from opensips. This time the 
> registrations goes through successfully onto freeswitch. Very happy, 
> as this is what i want. But now obviously INVITES fail with 403   Rely 
> forbidden.
>
> It appears to me, there is more configuration that i must do, beyond 
> setting alias, to get Opensips to act as outboundproxy to freeswitch. 
> I need  registrations and calls to happen on Freeswitch, but via Opensips.
>
> So after again searching the internet, i can  see that  may be 
> something like dynamic routing  can be done 
> (http://www.taitclarridge.com/techlog/2012/02/opensips-dynamic-routing.html), 
> or i can see whole lot of other  way of doing it 
> (http://www.opensips.org/Documentation/Tutorials-OpenSIPSFreeSwitchIntegration).
>
> What is the recommended, possibly simplest way to do this: to get 
> opensips proxy registrations, invites , messaging to freeswitch.
>
> Many thanks.
>
>
>
>
>
>
>
> On Mon, Feb 1, 2016 at 5:30 PM, Bogdan-Andrei Iancu 
> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>
>     David,
>
>     Your opensips cfg is bogus - the test for the presence of username
>     in RURI should not be done for a REGISTER requests (as they do not
>     have a username part).
>
>     Where have you taken the script from ? have you changed it by
>     yourself ?
>
>     Regards,
>
>     Bogdan-Andrei Iancu
>     OpenSIPS Founder and Developer
>     http://www.opensips-solutions.com
>
>     On 01.02.2016 15:06, David Wafula wrote:
>>     Thank you Bogdan. Ok  i made the alias change, and now am getting
>>     "Address Incomplete"  reply.  Please see the log below, am not
>>     sure what could be now causing this:
>>
>>     REQUEST
>>     ============
>>     02-01 14:58:53.144: I/System.out(14726): REGISTER
>>     sip:192.168.0.46 SIP/2.0
>>     02-01 14:58:53.144: I/System.out(14726): Via: SIP/2.0/UDP
>>     10.0.1.175:30802;rport;branch=z9hG4bKPjGfzHRCN4S.QyGFhBBv9njI9Amj2oU7ko
>>     02-01 14:58:53.144: I/System.out(14726): Route:
>>     <sip:192.168.4.248;lr>
>>     02-01 14:58:53.144: I/System.out(14726): Max-Forwards: 70
>>     02-01 14:58:53.144: I/System.out(14726): From:
>>     <sip:1000 at 192.168.0.46>;tag=eNVm.45KTH3OkXAjSikua1cwsZ.XdeRE
>>     02-01 14:58:53.144: I/System.out(14726): To: <sip:1000 at 192.168.0.46>
>>     02-01 14:58:53.144: I/System.out(14726): Call-ID:
>>     9TVBTDFtUPz05axr9qvyynhFWhJetb6m
>>     02-01 14:58:53.144: I/System.out(14726): CSeq: 64838 REGISTER
>>     02-01 14:58:53.144: I/System.out(14726): User-Agent: Pjsua2
>>     Android 2.4.5
>>     02-01 14:58:53.144: I/System.out(14726): Contact:
>>     <sip:1000 at 10.0.1.175:34708;ob>
>>     02-01 14:58:53.144: I/System.out(14726): Expires: 300
>>     02-01 14:58:53.144: I/System.out(14726): Allow: PRACK, INVITE,
>>     ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER,
>>     MESSAGE, OPTIONS
>>     02-01 14:58:53.144: I/System.out(14726): Content-Length: 0
>>     02-01 14:58:53.144: I/System.out(14726):
>>     02-01 14:58:53.144: I/System.out(14726): --end msg--
>>
>>     REPLY
>>     =============
>>
>>
>>     02-01 14:58:53.585: I/System.out(14726): SIP/2.0 484 Address
>>     Incomplete
>>     02-01 14:58:53.585: I/System.out(14726): Via: SIP/2.0/UDP
>>     10.0.1.175:30802;received=10.0.1.175;rport=30802;branch=z9hG4bKPjGfzHRCN4S.QyGFhBBv9njI9Amj2oU7ko
>>     02-01 14:58:53.585: I/System.out(14726): From:
>>     <sip:1000 at 192.168.0.46>;tag=eNVm.45KTH3OkXAjSikua1cwsZ.XdeRE
>>     02-01 14:58:53.585: I/System.out(14726): To:
>>     <sip:1000 at 192.168.0.46>;tag=a0a925d2eca49498ea7382b7b1f63f38.d365
>>     02-01 14:58:53.585: I/System.out(14726): Call-ID:
>>     9TVBTDFtUPz05axr9qvyynhFWhJetb6m
>>     02-01 14:58:53.585: I/System.out(14726): CSeq: 64838 REGISTER
>>     02-01 14:58:53.585: I/System.out(14726): Server: OpenSIPS (2.1.2
>>     (x86_64/linux))
>>     02-01 14:58:53.585: I/System.out(14726): Content-Length: 0
>>
>>     On Mon, Feb 1, 2016 at 1:07 PM, Bogdan-Andrei Iancu
>>     <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>>
>>         Hi David,
>>
>>         I see. The problem is all the SIP traffic contains references
>>         to this 192.168.0.46, but opensips has no idea how to handle
>>         consider this IP (like local or foreign domain).
>>
>>         It should handle it as local domain, so add in your cfg:
>>             alias="192.168.0.46"
>>
>>         Regards,
>>
>>         Bogdan-Andrei Iancu
>>         OpenSIPS Founder and Developer
>>         http://www.opensips-solutions.com
>>
>>         On 01.02.2016 12:21, David Wafula wrote:
>>>         Hi Bogdan,
>>>         OpenSips is listening on 192.168.4.248, which running in
>>>          totally different network from freeswitch. Freeswitch is
>>>         running on 192.168.0.46.
>>>         And, my test user 1000 at 192.168.0.46
>>>         <mailto:1000 at 192.168.0.46>, is created on freeswitch. I do
>>>         not have any local users on opensips at this stage.
>>>
>>>         Regards.
>>>
>>>
>>>
>>>         On Mon, Feb 1, 2016 at 11:48 AM, Bogdan-Andrei Iancu
>>>         <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>>>
>>>             Hi David,
>>>
>>>             The "relay forbidden" case happens when neither the FROM
>>>             URI, nor the request URI contain a SIP domain
>>>             served/local to OpenSIPS. In your case I see that the
>>>             INVITE has in FROM and RURI the 192.168.0.46 SIP domain.
>>>             Is your OpenSIPS actually listening on this IP ?
>>>
>>>             Regards,
>>>
>>>             Bogdan-Andrei Iancu
>>>             OpenSIPS Founder and Developer
>>>             http://www.opensips-solutions.com
>>>
>>>             On 30.01.2016 17:25, David Wafula wrote:
>>>>             Hello list,
>>>>             Am quite new to opensips. So i want opensips to act as
>>>>             an outbound proxy to freeswitch. I followed the
>>>>             tutorial on the opensips site and set up a running
>>>>             opensips instance (vanilla). I too have a running
>>>>             freeswitch instance.
>>>>
>>>>             so, on my softphone, when i set outbound proxy as
>>>>             opensips,  am able to register the phone successfully
>>>>             to freeswitch via opensips. But when i attempt to make
>>>>             a call, i get:
>>>>
>>>>
>>>>             send_reply("403","Rely forbidden");
>>>>
>>>>
>
>
>
>
> -- 
> David Wafula
>
>
>
> -- 
> David Wafula
>
>
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