[SR-Users] Forcing outbound transport to TCP

[Daniel-Constantin Mierla]

Hello,

in KEMI you can do:

KSR.setdsturi("sip:_IP_OR_DOMAIN_:_PORT_;transport=tcp");

KSR.tm.t_relay()

I will review what tm functions are not exported yet and add those that
are still relevant. In Kamailio we had the t_relay_to(...), which allow
setting the transport in the parameter, the variants for
t_relay_to_tcp/tls/... were retrieve via tm branch and I haven't use them.

Cheers,
Daniel

On 28.09.18 12:07, Ivan Ribakov wrote:
> How would one achieve the same using KEMI? I can see there is a KSR.tm
> module
> - https://kamailio.org/docs/tutorials/devel/kamailio-kemi-framework/modules/#tm which
> has “t_relay()” function but it has no “t_relay_to_tcp()”.
>
>> On 28 Sep 2018, at 11:22, Ivan Ribakov <i.ribakov at zaleos.net
>> <mailto:i.ribakov at zaleos.net>> wrote:
>>
>> Thanks Daniel!
>>
>> route[RELAY] section is what I’ve been looking for!
>> I knew about t_relay_to_tcp() function but placing it directly in the
>> end of “request_route” block lead to undesirable behaviour which made
>> me think it’s not what I needed.
>>
>>> On 28 Sep 2018, at 10:40, Daniel Tryba <d.tryba at pocos.nl
>>> <mailto:d.tryba at pocos.nl>> wrote:
>>>
>>> On Fri, Sep 28, 2018 at 10:07:09AM +0200, Ivan Ribakov wrote:
>>>> In a basic scenario of one2one call, I was able to make Kamailio to
>>>> forward INVITE to callee over TCP by issuing a REGISTER request
>>>> with ???transport=tcp??? parameter. Although it worked, as far as I
>>>> understand that means all communication with the callee will be
>>>> happening over TCP. I would like to be able to change transport
>>>> dynamically so looking for a way to do that from config file.
>>> ...
>>>> Any pointers as to how can I modify the outbound message transport?
>>>> Do I need to use some extra modules or can it be achieved with a
>>>> basic setup?
>>>
>>> You can do this by explicitly calling t_relay_to_tcp() instead of
>>> t_relay().
>>>
>>> For example I modified route[RELAY] for a specific destination that
>>> wants TCP for large INVITEs.
>>>
>>> if($avp(dispatcherid)=="1" && $ml>1249)
>>> {
>>> if(!t_relay_to_tcp())
>>> {
>>> if(!t_relay())
>>> {
>>> sl_reply_error();
>>> }
>>> }
>>> }
>>> else
>>> {
>>> if(!t_relay())
>>> {
>>> sl_reply_error();
>>> }
>>> }
>>>
>>>
>>> _______________________________________________
>>> Kamailio (SER) - Users Mailing List
>>> sr-users at lists.kamailio.org <mailto:sr-users at lists.kamailio.org>
>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>
>
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio World Conference -- www.kamailioworld.com
Kamailio Advanced Training, Nov 12-14, 2018, in Berlin -- www.asipto.com

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.kamailio.org/pipermail/sr-users/attachments/20181002/1df20691/attachment.html>