[Asterisk-Users] Stopping Asterisk from forwarding calls?

[Michael Anderson]

On 11/8/05, John Lange <john.lange at open-it.ca> wrote:
> Ultimately this turned out to be a red herring as well. dialparties.agi
> just does a database dip to figure out which extensions are forwarded
> and then builds a dialstring based on whats left. It then returns to the
> Asterisk dialplan and the extensions are still dialed in the normal way.
>
> I stopped looking at this point but it appears that it only works if you
> are using AMP to manage your extensions in a database.

The AGI script is actually not checking for extensions in the
database, but for DND, call forward and call forward on busy
indications.  This works if you are keeping track of such things with
the Asterisk database, how the extensions are defined doesn't matter. 
However  it doesn't work if the phone is handling the call forward
and/or DND.

I don't think the script is smart enough to handle calls forwarded to
voicemail although you can probably modify it to do so if your
voicemail extensions have a standard pattern.

>
> Unless someone has a better idea it looks like the only way to do this
> will be a patch to Asterisk.
>
> Thanks all for your suggestions.
> --
> John Lange
>
>
> On Mon, 2005-11-07 at 23:20 -0600, John Lange wrote:
> > Thanks Tad.
> >
> > This might turn out the be the clue I was looking for.
> >
> > It appears AMP has a macro-dial which has a comment about dealing with
> > CFWD, DND etc. It actually dials using a script:
> >
> > exten => s,4,AGI,dialparties.agi
> >
> > I'm still trying to figure out what it does exactly because the code is
> > not commented very well but it looks promising.
> >
> > Thanks for pointing me in this direction.
> >
> > John
> >
> > On Mon, 2005-11-07 at 15:35 -0500, Tad Heckaman wrote:
> > > I use Asterisk at Home, and if I have one of my Cisco phones forwarded to
> > > my cell phone, when the phones ring in a ring group, it never
> > > forwards. You may want to look at the latest configs that comes with
> > > Asterisk at Home and see if theres some special dialplans thats doing
> > > what your looking for.
> > >
> > > Keep in mind I am using the call forward on the phone, and not the
> > > built in call forward in the dialplan.
> > >
> > > On 11/7/05, Kevin P. Fleming <kpfleming at digium.com> wrote:
> > >         John Lange wrote:
> > >
> > >         > Reading the source code I see there are two parameters for
> > >         channels,
> > >         > allowredir_in & allowredir_out. These offer me some hope
> > >         that Asterisk
> > >         > has the ability but I couldn't figure out what these do or
> > >         how to make
> > >         > use of them (I'm not a C programmer so maybe its just a red
> > >         herring?).
> > >
> > >         Those are entirely unrelated.
> > >
> > >         At this time there is no method available to make Asterisk
> > >         ignore
> > >         incoming '302 REDIRECT' from SIP phones. It may be possible to
> > >         send
> > >         those 'forward' requests to a context that has no valid
> > >         extensions in
> > >         it, but I don't think we even support that at this time.
> > >         _______________________________________________
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> > >
> > >
> > > --
> > > Tad Heckaman
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--
===========================
Michael Anderson