Question, do SST help the situation? Is it widely accepted enough in the protocol to provide some backup mechanism to maintaining dialog state in the event of a lost BYE.<br><br>BTW, how is a BYE accounted for in ACC when generated locally because of an expired dialog?<br>
<br><br><div class="gmail_quote">On Thu, Mar 5, 2009 at 10:00 AM, Bogdan-Andrei Iancu <span dir="ltr"><<a href="mailto:bogdan@voice-system.ro">bogdan@voice-system.ro</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="im">Iņaki Baz Castillo wrote:<br>
> 2009/3/5 Bogdan-Andrei Iancu <<a href="mailto:bogdan@voice-system.ro">bogdan@voice-system.ro</a>>:<br>
><br>
>> Hi Inaki,<br>
>><br>
>> This is an old, hot topic.<br>
>><br>
>> There are many services that are more appropriate via a B2BUA (like acc,<br>
>> dialog stuff, security, etc) - last time the discussion started from the<br>
>> question if a proxy is the best place to do accounting.<br>
>><br>
>> In all the case is about compromising - how much you are willing to lose.<br>
>> You may loose time/resources to build and implement a platform were there is<br>
>> no way for bad thinks to happen (you deal with all corner cases) - and you<br>
>> end up with a huge platform, very complex, difficult to maintain, expensive<br>
>> to run, etc .<br>
>><br>
>> Or you can loose some corner cases and build a simpler and more efficient<br>
>> platform.<br>
>><br>
><br>
> Yes Bogdan, also the approach described in the wiki is really<br>
> appropiate and valid when the caller or callee is a PSTN gateway which<br>
> sends a BYE if RTP is lost.<br>
><br>
> But as always, pure "Internet" calls (between users) are really<br>
> difficult to monitorize and control by a proxy.<br>
><br>
<br>
</div>I agree on this. But this is SIP - from signalling level only you do not<br>
have information about the call status (during the call).<br>
<br>
Regards,<br>
<font color="#888888">Bogdan<br>
</font><div><div></div><div class="h5"><br>
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