[Serusers] Re: [Users] Detecting runaway calls

[Daryl Sanders]

This is exactly what I am trying to overcome. Do third party PSTN
providers typically employ any other means of monitoring a call? I
would think the would automatically disconnect the call after a
certain amount of time if there was no media detected.

On 10/27/05, Iqbal <iqbal at gigo.co.uk> wrote:
> problem with session timers, is if you have several different routes and
> you dont control all the end gateways....then its a pain, so I would
> think you would need a plan B, just in case to ensure you double
> checked, but agree with bogdan, b2bua i great but I think the overhead
> is not needed.
>
> Iqbal
>
> Bogdan-Andrei Iancu wrote:
>
> > Hi Greg,
> >
> > that's the fortunate case of having already a B2BUA on the path :).
> > But only for this particular case, I find the usage of a B2BUA a
> > little bit to  "heavy"....
> >
> > Session Timer is actually doing a great job ;)
> >
> > regards,
> > bogdan
> >
> > Greg Fausak wrote:
> >
> >> The re-INVITEs definitely work.  I run some setups with
> >> Jasomi inline (a commercial inline b2bua).  I configure them to
> >> reINVITE, works like a charm.  If the reINVITE isn't answered (in either
> >> direction) the Jasomi sends BYEs in both directions.  I believe other
> >> commercial gear works that way.
> >>
> >> Also, I believe Session-Timers are supported by Cisco gateways, but
> >> I don't have experience with those.
> >>
> >> -g
> >>
> >>
> >> On 10/27/05, Daryl Sanders <daryl.sanders at gmail.com> wrote:
> >>
> >>
> >>> Thanks for the info guys! It sounds like I need to do a little reading
> >>> up on cseq to determine if this will even work, or find a PSTN gateway
> >>> provider that supports Session-Timers.
> >>>
> >>> - Daryl
> >>>
> >>> On 10/27/05, Bogdan-Andrei Iancu <bogdan at voice-system.ro> wrote:
> >>>
> >>>
> >>>> by sending re-INVITEs from the middle of the path you will increase
> >>>> the
> >>>> cseq number differently on each side...so you will need to synchronize
> >>>> the cseq value when some in-the-dialog requests are passing through
> >>>> your
> >>>> proxy....and that's quite complicated....
> >>>>
> >>>> regards,
> >>>> bogdan
> >>>>
> >>>> Daryl Sanders wrote:
> >>>>
> >>>>
> >>>>
> >>>>> Would it be possible to fake a REINVITE then check the response to
> >>>>> determine if a call is still in session? Just brainstorming...
> >>>>>
> >>>>> - Daryl
> >>>>>
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>
> >>> _______________________________________________
> >>> Serusers mailing list
> >>> Serusers at iptel.org
> >>> http://mail.iptel.org/mailman/listinfo/serusers
> >>>
> >>>
> >>
> >>
> >>
> >> --
> >> Greg Fausak
> >> greg at thursday.com
> >>
> >>
> >>
> >
> >
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> > Users at openser.org
> > http://openser.org/cgi-bin/mailman/listinfo/users
> >
> >
> > .
> >
>
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