[SR-Users] Kamailio as a front-end proxy

[Jurijs Ivolga]

Hi,

I would recommend you to take a look on path module:

http://kamailio.org/docs/modules/1.4.x/path.html
I think this is what you need.

With kind regards,

Jurijs

2016-03-01 12:02 GMT+02:00 Anton Tonev <anton.tonev at gmail.com>:

> Hello everybody,
>
> I am a new user of Kamailio (4.3.1), I am working with it since 1-2
> months. The thing that I'm trying to do is to build the following system:
>
> same LAN
>
> 192.168.0.1
> Alice
> proprietary SIP Server
>                          [Public_IP_X]   ------------ [Public_IP_Y]
> Kamailio [172.26.0.1] ---------- [172.26.0.1]  with
> 192.168.0.1
> registrar
> Bob
>
> Obviously Kamailio has to translate the local addresses of Alice and Bob,
> e.g. to use the Nathelper module.
> The module is doing well its job because the Contact headers are replaced
> with the Public_IP_X when a REGISTER message is sent by Alice's or Bob's
> sip phones (I am using Linphone and Zoiper as clients).
> Once the incoming sip register was treated by Kamailio it is sent to the
> proprietary SIP Server. The server sends 200 OK to Kamailio and the proxy
> relays the message to the clients. So the sip registration for me it is OK.
>
> But when it comes to initiate a call from Alice to Bob the things are not
> as I expect it. The initial request INVITE sent from Alice goes to the sip
> server but then the server instead of sending the INVITE for Bob through
> Kamailio, it sends the message directly to Bob's device.
> Does anyone knows how to "tell" to the sip server, using the SIP protocol,
> that it must use the proxy?
> The only thing I have in mind is to force Kamailio to replace the contact
> of Alice and more precisely the host/ip address by the proxy's host/ip
> address.
> I tested this idea and the sip server did what I was expecting but for me
> this is not a proper solution.
> To do that I used this discussion -
> http://opensips.org/pipermail/users/2010-October/014873.html
> Thank you in advance for your attention !
>
> Best regards,
>
> Anton
>
>
>
>
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