[OpenSIPS-Users] identify absent/missing hosts

[Bogdan-Andrei Iancu]

Hello Jeff,

There is nothing existing to do the kind of job you describe.

A working solution is to have an external script that checks all the
endpoints by sending an OPTIONS request via the MI interface (see the
t_uac_dlg MI command from TM module).
Depending of the received reply, you can determine the status of the
end-point.

Regards,

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


On 07/09/2013 08:48 PM, Jeff Pyle wrote:
> Hello,
>
> I'm looking for a way to identify hosts that are no longer available
> in cases where registration is not used.  I'd like to establish a
> regular OPTIONS polling interval for a known list of endpoints.  I'm
> not aware of any internal mechanism that will achieve this.  The
> dialog module comes close with its "p" and "P" options on
> create_dialog()
> <http://www.opensips.org/html/docs/modules/devel/dialog.html#id294985>, but
> that's for calls/dialogs that are already in process to detect an
> endpoint that falls off the network.  I'd like to have this pinging
> outside of any other SIP activity independent of established
> transactions or dialogs.
>
> Does it make sense to approach this with a custom B2B scenario we can
> invoke via cron over an MI interface?  Or, any other thoughts?
>
>
> - Jeff
>
>
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