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.to...@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 > > > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > >
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