[OpenSIPS-Users] dialog: send BYE from another opensips instance

[Bogdan-Andrei Iancu]

See the MI command dlg_db_sync
     http://www.opensips.org/html/docs/modules/1.8.x/dialog.html#id295605

Regards,

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


On 01/09/2013 02:59 PM, samuel wrote:
>
> My point was exactly what you state in the last sentence about 
> failover scenario. Is there some way to use current dialog module to 
> handle these scenarios?
>
> Thanks a lot,
> Samuel
>
> El 09/01/2013 12:50, "Bogdan-Andrei Iancu" <bogdan at opensips.org 
> <mailto:bogdan at opensips.org>> va escriure:
>
>     Hi Samuel,
>
>     For dialog module, the primary storage (for dialog info) is all
>     the time the mem cache. DB is only a secondary storage and data is
>     flushed from mem to DB. At runtime, opensips never reads from DB,
>     but only from mem (the primary storage). (db mode REALTIME means
>     the DB storage is updated in realtime from mem cache)
>
>     So, you cannot have 2 opensips sharing dialog info via DB. Or you
>     want to implement a failover kind of scenario (like shifting
>     dialogs from one box to another) ?
>
>     Regards,
>
>     Bogdan-Andrei Iancu
>     OpenSIPS Founder and Developer
>     http://www.opensips-solutions.com
>
>
>     On 01/07/2013 07:59 PM, samuel wrote:
>>     Hi folks,
>>
>>     I'm started reading about dialog module and how to use it in a
>>     distributed environment. I've read about the 'B' flag and how it
>>     can be used to send BYEs to the end-points. My question is
>>     whether, using db_mode REALTIME, another instance of opensips can
>>     use the information stored in the database to send the BYE to a
>>     dialog created in another opensips instance.
>>
>>     The scenario is the next one:
>>     1.several opensips sharing the database and one of them receives
>>     an INVITE.
>>     2.It creates the dialog and sets the B flag. The parameter
>>     timeout is then set to the corresponding value.
>>     3.Another opensips uses the information from the dialog table to
>>     send the BYE either forced by an external t_dlg command or
>>     reading from the database (I guess the period can be controlled
>>     with the db_update_period parameter).
>>
>>     Is this possible with the current version?
>>
>>     Thank you very much in advance and congratulations,
>>     Samuel.
>>
>>
>>
>>
>>
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>
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