Hi Dinusha,
How I see it is: do LB, after LB, trigger B2B with REFER-handling
scenario, and on the outbound part of b2b (using local route for INVITE
and b2b_reply for incoming replies) insert rtpproxy.
Of course, I assume that LB and B2B are on the same instance of OpenSIPS.
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 07/06/2012 06:44 PM, Dinusha Kannangara wrote:
Hi all,
I currently have my opensips configured with a rtpproxy and uses the
nathelper module and everything seem to be working fine.
Now, I have a new requirement where my opensips should have to handle
REFER messages generated from a media server and I'm not sure what I
should do.
I've seen that b2bua module is capable of this and I also had a look
at the example done on opensips.org <http://opensips.org>.
Here's my scenario,
User1(softphone) calls opensips server and opensips do load balancing
and redirect the call to a Media Server. Then, Media Server will send
a REFER message to opensips specifying a refer-to User2(another
softphone) and the media server should remove itself from the call and
let User1 and User2 connect to each other through opensips.
Here are my questions :
1) The rtpproxy module re-writes SDP and how does this affect if I use
b2bua module to handle REFER messages ?
2) Will the work done by nathelper and rtpproxy be undone if I call
b2b_init_request on the initial INVITE ?
3) Do I have to have a separate IP for b2bua server or is it ok to run
it on the same ip which the opensips is running ?
4) I have seen some people block the INVITE's coming from b2bua server
IP at initial INVITE.. do I have to do this too ?
Thank You, :)
Regards,
Dinusha.
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