[OpenSIPS-Users] How to use sst to account missing BYEs

[Bogdan-Andrei Iancu]

Hi Ronald,

If you look at the SIP capture, do you see the Session-Timer header sent 
to callee ? does your caller/callee supports SST ?

Regards,
Bogdan

Ronald Cepres wrote:
> Hi to all!
>
> I've been setting up a media-less SIP proxy server using OpenSIPS. We 
> need to account (and bill) every call that goes through the proxy and 
> one of our main concerns is the issue of missing BYEs wherein we can't 
> account the call without a BYE.
>
> I tried to use sst module to solve this problem but I'm not sure if I 
> used it correctly for the purpose that I want.
>
> Here is a snippet of my opensips.conf (some of the values are just for 
> testing purposes though):
>
> ...
>
> loadmodule "dialog.so"
> modparam("dialog", "default_timeout", 10)
> modparam("dialog", "timeout_avp", "$avp(i:10)")
> modparam("dialog", "dlg_flag", 4)
> modparam("dialog", "bye_on_timeout_flag", 5)
>
> loadmodule "sst.so"
> modparam("sst", "timeout_avp", "$avp(i:10)")
> modparam("sst", "sst_flag", 6)
> modparam("sst", "min_se", 90)
> modparam("sst", "sst_interval", 30)
>
> ...
>
> if (is_method("INVITE")) {
> # Check minimum SE for SST
> if (sstCheckMin("1")) {
> xlog("$ci: $C(rx)422 Session Timer Too Small reply sent.$C(xx)\n");
> route(EXIT);
> }
> # Set INVITE flags
> setflag(1); # Accounting
> setflag(2); # Account Missed Calls
> setflag(3); # Account failed transactions
> setflag(4); # Dialog flag
> setflag(5); # Bye-on-dialog-timeout flag
> setflag(6); # SST flag
>
>                 ...
> }
>
> ...
>
> Am I using sst module correctly here or is it even possible to use sst 
> module for the said purpose?
>
> Thanks!
>
> Regards,
> Ronald
> ------------------------------------------------------------------------
>
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-- 
Bogdan-Andrei Iancu
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2 - 4 February 2011, ITExpo, Miami,  USA
www.voice-system.ro