2 Mar
2016
2 Mar
'16
12:09 a.m.
You have several options:
1. If your SIP server supports an "outbound proxy" configuration, set that
parameter to the IP:port of Kamailio, then it will send all INVITEs to
Kamailio. You will need to configure RR and you might still need some
mangling in Kamailio to work around NAT, depending on your SIP client run
by Alice and Bob.
2. If you can't set outbound proxy then you could use Kamailio to edit the
contact header. Again you will need to configure RR and you might still
need some mangling in Kamailio to work around NAT, depending on your SIP
client run by Alice and Bob.
3. Only if you have multiple Kamailio proxies sharing one SIP server and
the SIP server supports RFC3327 (i.e. the Path header) then you could could
try get this to work with the Kamailio path module. This is the most
difficult approach and the least likely to work in my opinion.
So if you can choose an option then we can try to help you with that.
Regards,
Richard
On 1 March 2016 at 16:41, Anton Tonev <anton.tonev(a)gmail.com
<javascript:_e(%7B%7D,'cvml','anton.tonev@gmail.com');>> wrote:
Thank you, for all your replies.
I tried to use the add_path() as it is described in the Spanish tutorial
however
I am still unable to make my sip server pass through the proxy for the
second call leg (the one to the destination).
However I have one question. In the tutorial it is said that Asterisk will
use the path if Asterisk initiates a dialog. What that means ? Are these
dialogs initiated because of a 3th party call control application request
or because Asterisk receives an INVITE from some user behind the proxy and
then Asterisk initiates a dialog for the second leg of the call?
Best regards,
Anton
2016-03-01 11:41 GMT+01:00 Alberto Sagredo <alberto.sagredo(a)avanzada7.com
<javascript:_e(%7B%7D,'cvml','alberto.sagredo@avanzada7.com');>>:
--
--
Richard Brady
M: +44 (0)7771 623 348
T: +44 (0)20 8144 8160
E: rnbrady(a)gmail.com
You could find something related also on this
link
Its in spanish
https://blog.irontec.com/integracion-kamailio-y-asterisk-con-path/
2016-03-01 11:25 GMT+01:00 Jurijs Ivolga <jurij.ivo(a)gmail.com
<javascript:_e(%7B%7D,'cvml','jurij.ivo@gmail.com');>>:
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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(a)gmail.com
<javascript:_e(%7B%7D,'cvml','anton.tonev@gmail.com');>>:
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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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