[OpenSIPS-Users] How to set default_timeout for dialogs, without resetting OpenSIPS ? (continuing...)

Mon Sep 28 18:45:08 CEST 2015

Great!

Thanks.

RODRIGO PIMENTA CARVALHO
Inatel Competence Center
Software
Ph: +55 35 3471 9200 RAMAL 979

________________________________
De: users-bounces at lists.opensips.org <users-bounces at lists.opensips.org> em nome de Max Mühlbronner <mm at 42com.com>
Enviado: segunda-feira, 28 de setembro de 2015 12:44
Para: users at lists.opensips.org
Assunto: Re: [OpenSIPS-Users] How to set default_timeout for dialogs, without resetting OpenSIPS ? (continuing...)

Sorry, copy&paste mistake.

if(is_present_hf("X-Timeout")){

    $DLG_timeout =  $(hdr(P-Source-IP));

....

On 28.09.2015 17:40, Max Mühlbronner wrote:
Hi,

seems to be a simple solution, without overhead/database/...

if(is_present_hf("P-Source-IP")){

    $DLG_timeout =  $(hdr(P-Source-IP));

}else{

    $DLG_timeout = 3600;

}

But you could also save the information into a e.g. mysql/... database and pull it from the db. (check out avpops module)

Best Regards

On 28.09.2015 16:51, Rodrigo Pimenta Carvalho wrote:
Hi Bogdan.

I have just finished studying about some parts of OpenSIPS documentation, mainly about the modules.

I saw that it is possible to take control of call duration using Call Control,which is too complex to my simple needings as my projetct doesn't need a charging system, or using DLG_timeout as you well pointed.

So, in my OpenSIPS script I should do something like this:

         # account only INVITEs
         if (is_method("INVITE")) {

                 # create dialog with timeout
                 if ( !create_dialog("B") ) {
                         send_reply("500","Internal Server Error");
                         exit;
                 }

                 $DLG_timeout = <some variable with amount of seconds>;

         }

However the final user is the one who must define how long a call can exist. Such configuration will be done via a proprietary GUI in my project, any time.

So, I was looking for a way to set  'some variable with amount of seconds' and pass it to OpenSIPS, before starting calls. That is, how can OpenSIPS read a external variable or how to write DLG_timout via MI ? I didn't find a solution.

Then, my development team has decided to put a new field (X-Timeout) in the SIP INVITE header, configuring it with the desired amount of seconds.

So, in the OpenSIPS script we could read the value from X-Timeout and set it to the DLG_timeout.

What do you think about this approach? Is it simple to read a header field from SIP INVITE, isn't it? I will take a look in the documentation.

Any hint or suggestion will be  very helpful!!

Thanks a lot!

RODRIGO PIMENTA CARVALHO
Inatel Competence Center
Software
Ph: +55 35 3471 9200 RAMAL 979

________________________________
De: Bogdan-Andrei Iancu <bogdan at opensips.org><mailto:bogdan at opensips.org>
Enviado: segunda-feira, 28 de setembro de 2015 07:03
Para: OpenSIPS users mailling list; Rodrigo Pimenta Carvalho
Assunto: Re: [OpenSIPS-Users] How to set default_timeout for dialogs, without resetting OpenSIPS ?

Hi Rodrigo,

The timeout for a call can be set (in a per-call manner) when the call starts (during re-INVITE) or during any sequential requests (ACK, re-INVITE), etc. See DLG_timeout variable:
     http://www.opensips.org/html/docs/modules/1.11.x/dialog.html#timeout-pvar-id

If you want to tear down the call, use the dlg_end_dlg MI command :
     http://www.opensips.org/html/docs/modules/1.11.x/dialog.html#id296795

Best regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 25.09.2015 23:56, Rodrigo Pimenta Carvalho wrote:

Dear OpenSIPS-Users,

A kind of management application in my project must provide an way of a  system manager sets the default_timeout for dialogs in our already running OpenSIPS. How to do it?

I was looking for an way of sending a command to OpenSIPS 2.2 to configure it to tear down (hang up) every call after a determined timeout. So I have just read about MI, dialog exported MI functions and dialog exported pseud-variables. What I want is to configure the default_timeout without having to reset the OpenSIPS.

However, I didn't find a way of doing that. I was thing about to use mi_fifo and a exported command, but no way.

Is there a way of controlling the default_timeout for dialogs, while OpenSIPS is running?

If not, I was thinking about changing the value of timeout column in the table dialog, for each dialog. But, it sounds a bit complicated.

Any idea?

Any hint will be very helpful!

Best regards.

RODRIGO PIMENTA CARVALHO
Inatel Competence Center
Software
Ph: +55 35 3471 9200 RAMAL 979

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