[asterisk-users] possibility to cancel call duration limit set in app Dial with options S(x) or L(x:y:z) during a call

[Nenad Radosavljevic]

Thank you Joshua, for the clarification.

I was aware of the TIMEOUT(absolute) function, in fact our current solution
for call duration limit/un-limt functionality is based on usage of that
function.

It is worth mentioning that it seems to me that Dial options S() and L()
limit call duration from the moment call has been answered, and TIMEOUT
limits from moment it has been executed (so rest of the call setup and time
spent waiting for the answer (ringing and/or progress messages) are
included in duration limit, so there is difference between call duration
limiting via Dial options and via TIMEOUT function.

Thanks again,
    Nenad

On Wed, Nov 30, 2022, 19:03 <asterisk-users-request at lists.digium.com> wrote:

>
> On Wed, Nov 30, 2022 at 5:57 AM Nenad Radosavljevic <nenadr at snr.rs> wrote:
>
> > Hello everyone,
> >
> > Does anyone know is it possible to cancel the call duration limit set in
> > app Dial with options S(x) or L(x[:y[:z]]), by for instance entering
> custom
> > feature code (application map) during the call ?
> >
> > I have read somewhere that bridge features can be set using the
> > ${BRIDGE_FEATURES} variable on channel, but it was not clear to me can
> they
> > be modified that way after the bridge has started ?
> >
> > Idea is to make application map for caller channel that will do
> > Set(BRIDGE_FEATURES=S(0)) on its invocation via feature code (with some
> > "call unlimit autorization" dialplan logic before it), in order to be
> able
> > to un-limit call duration on-demand.
> >
>
> The Dial options are not dynamic during the call, they're just read and set
> when Dial() is invoked. The same applies for BRIDGE_FEATURES. The TIMEOUT
> dialplan function[1] is just what can be changed during the call.
>
> [1]
> https://wiki.asterisk.org/wiki/display/AST/Asterisk+20+Function_TIMEOUT
>
> --
> Joshua C. Colp
> Asterisk Project Lead
> Sangoma Technologies
> Check us out at www.sangoma.com and www.asterisk.org
>
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