[OpenSIPS-Users] mediaproxy 2.3: reinvites' SDP not modified

[Carlo Dimaggio]

Il giorno 13/feb/09, alle ore 13:56, Dan Pascu ha scritto:

>
> The Patton device seems to be faulty. In its answer it strips all  
> params
> from the Record-Route header except from lr=on. Similarly it strips  
> all
> params from the Record-Route headers except lr=on when converting the
> Record-Route headers to Route headers on subsequent re-INVITEs. Among
> these params is the did (dialog-id) which is used to identify the  
> dialog
> the message belongs to. My guess is that those re-INVITEs are not  
> matched
> against their dialogs anymore so no mediaproxy callbacks are called  
> for
> them to modify their SDP.
>
> You can try to use use_media_proxy() and end_media_session() instead  
> of
> engage_media_proxy() to manually call on mediaproxy to handle the  
> SDP for
> every INVITE/reply during the dialog. The dialog based method of using
> engage_media_proxy can only work if the devices work properly and do  
> not
> prevent the dialog module from recognizing an in-dialog message  
> because
> its identification elements were altered.

Thank you Dan/Adrian/Ruud for your quick and expert answers :-)

I understand. Do you think I can write to tech support of Patton and  
explain the problem? It is a bug in their firmware or a "particular"  
behaviour?
I would like to continue using engage_media_proxy...


Many thanks,
Carlo Dimaggio