[SR-Users] dlg_bridge
Daniel-Constantin Mierla
miconda at gmail.com
Fri Apr 29 11:23:11 CEST 2016
Hello,
got distracted by other tasks and upcoming kamailio world stuff ...
So you got it working now, right?
Cheers,
Daniel
On 28/04/16 19:22, huseyin kalyoncu wrote:
> Hello Daniel
>
> After all Kamailio was not calling set_contact_alias
> on reply received from itself. So in reply_route block calling
> following code
> resolved the issue.
>
> if (src_ip == "KAMAILIO_IP_ADDRESS" && status == "200") {
> if ($fU == "click2call") {
> set_contact_alias();
> }
> }
>
> Thank you for your helps and your understanding.
>
> Best wishes
>
> Huseyin
>
>
> On Thu, Apr 28, 2016 at 7:20 PM, huseyin kalyoncu <hkalyoncu at gmail.com
> <mailto:hkalyoncu at gmail.com>> wrote:
>
> Hello Daniel
>
> I forgot to mention when I sent the capture file.
> There is only single Kamailio instance running but It listens
> multiple ports.
> 5090 for outside traffic and 5060 for inside traffic (other
> Kamailio servers, FS servers, etc.)
>
> On Wed, Apr 27, 2016 at 7:49 PM, huseyin kalyoncu
> <hkalyoncu at gmail.com <mailto:hkalyoncu at gmail.com>> wrote:
>
> Hello Daniel
>
> Attachment is the full ngrep output for the sample call.
>
>
>
>
>
> On Wed, Apr 27, 2016 at 6:51 PM, Daniel-Constantin Mierla
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
> Hello,
>
> can you make the full ngrep trace for the call (from
> initial invite sent by kamailio, with all following sip
> messages) and send it over here?
>
> Cheers,
> Daniel
>
>
> On 27/04/16 17:16, huseyin kalyoncu wrote:
>> Hello Daniel
>>
>> I did some more tests and my previous statement is wrong.
>> Actually it do call set_contact_alias on 200 reply for
>> INVITEs
>> but somehow it has no change.
>> I really missing something here.
>>
>> On Wed, Apr 27, 2016 at 3:35 PM, huseyin kalyoncu
>> <hkalyoncu at gmail.com <mailto:hkalyoncu at gmail.com>> wrote:
>>
>> Hello Daniel
>>
>> You are right. 200OK messages are also with private IPs.
>> I think the problem is that
>> since I call dlg_bridge with Kamailio's own IP
>> It sends INVITE messages to itself first then it
>> routes INVITE msg to user location.
>> Because of this i see two record routes in the INTIVE
>> headers and 200 reply headers.
>>
>> if (is_reply()) {
>> if(isbflagset(FLB_NATB)) {
>> if(is_first_hop())
>> set_contact_alias();
>> }
>> }
>>
>> But according to this code in NATMANAGE block, it
>> only set contact if it is first hope.
>> Since these messages have two record routes, this
>> code block does not modify contact field
>> Am I right? or Am I missing something else?
>>
>> Thanks
>> Huseyin
>>
>>
>> On Wed, Apr 27, 2016 at 12:50 PM, Daniel-Constantin
>> Mierla <miconda at gmail.com <mailto:miconda at gmail.com>>
>> wrote:
>>
>> Hello,
>>
>> dlg_bridge is not using the location table at
>> all, because it has to use the contact from 200ok
>> of INVITE.
>>
>> Have you used set_contact_alias() for natted
>> 200ok received for INVITE?
>>
>> Cheers,
>> Daniel
>>
>>
>> On 27/04/16 11:15, huseyin kalyoncu wrote:
>>> Hello Daniel
>>>
>>> This is the sample output from our location table;
>>>
>>> kamailio=# select
>>> username,contact,received,user_agent from
>>> location where username='5678*0012';
>>> username | contact |
>>> received | user_agent
>>> -----------+---------------------------------+-----------------------+---------------------
>>> 5678*0012 | sip:5678*0012 at 192.168.1.21:5090
>>> <mailto:0012 at 192.168.1.21:5090> |
>>> sip:DEVICE_PUBLIC_ADDRESS:5090 | Cisco/SPA504G-7.6.1
>>> (1 row)
>>>
>>>
>>> After calling dlg_bridge Kamailio firing INVITE
>>> and rings the device.
>>> After answering on this device Kamailio firing
>>> REFER message.
>>> But as you can see from ngrep output below,
>>> Kamailio is trying to send this message to
>>> address in the contact field which is a private IP.
>>>
>>> U 2016/04/27 10:58:25.745935
>>> KAMAILIO_PUBLIC_ADDRESS:5090 ->
>>> 192.168.1.21:5090 <http://192.168.1.21:5090>
>>> REFER sip:5678*0012 at 192.168.1.21:5090
>>> <mailto:0012 at 192.168.1.21:5090> SIP/2.0.
>>> Via: SIP/2.0/UDP
>>> KAMAILIO_PUBLIC_ADDRESS:5090;branch=z9hG4bK0ab8.1c5e622e4af6b7b6c9ede7ade4a50bf8.0.
>>> Via: SIP/2.0/UDP
>>> KAMAILIO_PUBLIC_ADDRESS;rport=5060;branch=z9hG4bK0ab8.c8a54413000000000000000000000000.0.
>>> To:
>>> <sip:5678*0012 at KAMAILIO_PUBLIC_ADDRESS>;tag=199aaa02310a0799i1.
>>> From:
>>> <sip:click2call at KAMAILIO_PUBLIC_ADDRESS>;tag=0d71401ca91009b00be5953e2813d7e4-7471.
>>> CSeq: 11 REFER.
>>> Call-ID:
>>> 63dc8c8a5ea88a30-868 at KAMAILIO_PUBLIC_ADDRESS.
>>> Max-Forwards: 69.
>>> Content-Length: 0.
>>> User-Agent: Kamailio.
>>> Referred-By: sip:click2call at KAMAILIO_PUBLIC_ADDRESS.
>>> Refer-To: sip:5678*0002 at KAMAILIO_PUBLIC_ADDRESS.
>>> Contact:
>>> <sip:click2call at KAMAILIO_PUBLIC_ADDRESS:5060>.
>>>
>>>
>>>
>>> On Wed, Apr 27, 2016 at 10:47 AM,
>>> Daniel-Constantin Mierla <miconda at gmail.com
>>> <mailto:miconda at gmail.com>> wrote:
>>>
>>> Hello,
>>>
>>> can you send the ngrep trace for such case?
>>> I would like to look at the headers to
>>> understand properly what do you mean.
>>>
>>> Cheers,
>>>
>>> Daniel
>>>
>>>
>>> On 26/04/16 15:23, huseyin kalyoncu wrote:
>>>> Hello
>>>>
>>>> I am trying to implement click 2 call
>>>> functionality on Kamailio with dlg_bridge.
>>>> But It seems that Kamailio routes REFER
>>>> messages to devices according to Contact
>>>> field of location table instead of Received
>>>> field.
>>>> But if the the IP in the Contact field is
>>>> private REFER messages are failing so
>>>> does the dlg_bridge.
>>>>
>>>>
>>>> I called dlg_bridge in the config like this:
>>>>
>>>> dlg_bridge("sip:$param1", "sip:$param2",
>>>> "sip:IP_ADDRESS_OF_KAMAILIO:5060");
>>>>
>>>> It rings the device in $param1 but after
>>>> answering on that device
>>>> Kamailio fails to send REFER if the Contact
>>>> field for that device is Private IP.
>>>> So it fails to initiate a call.
>>>>
>>>> How can I force Kamailio to use Received
>>>> field for REFER messages instead of Contact
>>>> field?
>>>>
>>>> Thanks
>>>> Huseyin
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>>> sr-users at lists.sip-router.org
>>>> <mailto:sr-users at lists.sip-router.org>
>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>> --
>>> Daniel-Constantin Mierla
>>> http://www.asipto.com
>>> http://twitter.com/#!/miconda
>>> <http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda
>>> Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
>>>
>>>
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio
>>> (OpenSER) - sr-users mailing list
>>> sr-users at lists.sip-router.org
>>> <mailto:sr-users at lists.sip-router.org>
>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>> sr-users at lists.sip-router.org
>>> <mailto:sr-users at lists.sip-router.org>
>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>
>> --
>> Daniel-Constantin Mierla
>> http://www.asipto.com
>> http://twitter.com/#!/miconda
>> <http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda
>> Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
>>
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) -
>> sr-users mailing list
>> sr-users at lists.sip-router.org
>> <mailto:sr-users at lists.sip-router.org>
>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>
>>
>>
>>
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>> sr-users at lists.sip-router.org
>> <mailto:sr-users at lists.sip-router.org>
>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Daniel-Constantin Mierla
> http://www.asipto.com
> http://twitter.com/#!/miconda
> <http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda
> Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users
> mailing list
> sr-users at lists.sip-router.org
> <mailto:sr-users at lists.sip-router.org>
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
>
>
>
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
--
Daniel-Constantin Mierla
http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
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