[OpenSIPS-Users] Need Help on Handling REFER Messages
Bogdan-Andrei Iancu
bogdan at opensips.org
Fri Jul 13 17:13:46 CEST 2012
Hi Dinusha,
The dialog module cannot be used in the same time with the b2b module in
the same instance. Mainly because the dialog module expects a "proxied
call" while the b2b acts as end-point (user agent server or client)
Best regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 07/13/2012 10:00 AM, Dinusha Kannangara wrote:
> Hi, thanks for the info :) I did what you have told me and now and rtp
> seem to be working (I need to do more tests and look at the sip traces
> - and will let you know if I get into trouble again :P).
>
> There's one problem though, I'm seeing that dialogs are not getting
> deleted when the call ends (again this works fine when not using b2bua
> - I'm using dialog module - rr_param did to make this happen)
>
> Thanks again, for the responses and they really helped me a lot :)
>
> On Thu, Jul 12, 2012 at 8:11 PM, Bogdan-Andrei Iancu
> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>
> Hi Dinusha,
>
> What you have in route[1] has to go into local route. And from
> onreply_route, to the b2b_reply_route :).
>
> Regards,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
>
>
> On 07/12/2012 03:13 PM, Dinusha Kannangara wrote:
>> Thank you for the quick reply :) and the REFER scenario is
>> working fine without rtp.
>>
>> I'm sorry for being such a noob on this as I'm new to opensips
>> and even sip message handling :( I have tried out adding code to
>> local route and b2b_reply_route sections but rtp is not working -
>> I think it has to do with how I've wrote the config.
>>
>> before adding the b2bua I had my rtpproxy_engage() called on my
>> route[1] before I call t_relay() and had the fix_nated_contact on
>> my onreply _route.
>>
>> here's a summarized version on my config. Can you please look at
>> it and tell me which methods should be moved on to local route
>> and b2b_reply_route.
>>
>> route
>> {
>> .....
>> if(is_method("INVITE"))
>> {
>> do load balancing
>> route(1);
>> }
>> }
>>
>> route[1]
>> {
>> .....
>> .....
>> if( is_method("INVITE"))
>> {
>> engage_rtpproxy();
>> }
>> else if( is_method("BYE" || "CANCEL"))
>> {
>> unforce_rtpproxy();
>> }
>> }
>>
>> onreply_route[1]
>> {
>> if (isbflagset(6))
>> {
>> log("\n\n\n-------ON REPLY ROUTE FIX NATED
>> CONTACT-------\n\n\n");
>> search_append('Contact:.*sip:[^>[:cntrl:]]*',
>> ';nat=yes');
>> fix_nated_contact();
>> }
>>
>> }
>>
>>
>> On Wed, Jul 11, 2012 at 8:19 PM, Bogdan-Andrei Iancu
>> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>>
>> Move to the "local" and "b2b_reply" routes only the part
>> regarding insertion of RTPproxy.
>>
>> Regards,
>>
>> Bogdan-Andrei Iancu
>> OpenSIPS Founder and Developer
>> http://www.opensips-solutions.com
>>
>>
>> On 07/11/2012 05:21 PM, Dinusha Kannangara wrote:
>>> Thanks for the reply, I will try that for sure :)
>>>
>>> Just to clarify, so whatever I had on request route and
>>> reply route (including rtp proxy and nathelper methods)
>>> should be written on b2b_request and b2b_reply, right ?
>>>
>>> On Tue, Jul 10, 2012 at 3:59 PM, Bogdan-Andrei Iancu
>>> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>>>
>>> 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.
>>>>
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at lists.opensips.org <mailto:Users at lists.opensips.org>
>>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>>
>>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.opensips.org/pipermail/users/attachments/20120713/fe1d70b2/attachment.htm>
More information about the Users
mailing list