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@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
REFER sip:5678*0012@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@KAMAILIO_PUBLIC_ADDRESS>;tag=199aaa02310a0799i1.
From: <sip:click2call@KAMAILIO_PUBLIC_ADDRESS>;tag=0d71401ca91009b00be5953e2813d7e4-7471.
CSeq: 11 REFER.
Call-ID: 63dc8c8a5ea88a30-868@KAMAILIO_PUBLIC_ADDRESS.
Max-Forwards: 69.
Content-Length: 0.
User-Agent: Kamailio.
Referred-By: sip:click2call@KAMAILIO_PUBLIC_ADDRESS.
Refer-To: sip:5678*0002@KAMAILIO_PUBLIC_ADDRESS.
Contact: <sip:click2call@KAMAILIO_PUBLIC_ADDRESS:5060>.



On Wed, Apr 27, 2016 at 10:47 AM, Daniel-Constantin Mierla <miconda@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:


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

 


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-- 
Daniel-Constantin Mierla
http://www.asipto.com
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