[OpenSIPS-Users] TCP AORs and db_mode 1/2/3

[Bogdan-Andrei Iancu]

Hi Brian,

opensipslist at encambio.com wrote:
> Hello list,
>
> Thinking today about why my messages are sometimes routed to
> nonexistent TCP endpoints, I came upon the following idea:
>
>   It seems that if the usrloc db_mode is anything but 0,
>   then TCP AORs could be read from the database after a
>   crash. This can't work because once OpenSIPS stops,
>   the TCP connections are destroyed. They aren't reusable
>   again, because routers and firewalls would block the
>   connections that OpenSIPS tries to reestablish.
>
> First of all, is that right?
>   
That is correct.
> If so, then for what reason are the db_modes 1, 2, and 3
> even useful at all? For UDP-only systems, right?
>   
not really. Even if the TCP conn is lost while the registration still 
valid, the conn can be re-established from the client side (like the 
client placing a call).

Regards,
Bogdan
> Regards,
> Brian
>
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>
>   


-- 
Bogdan-Andrei Iancu
www.voice-system.ro