[Asterisk-Dev] extensions.conf limitations, and how to overcome them

[Michael Anderson]

Well if you're running AGI, you can call manager commands.  For
example with Perl:

my $ASTBIN = "/usr/sbin/asterisk";

`$ASTBIN -rx "add extension <exten>,<priority>,<app>,<app-data> into
<context>"`;



On 11/7/05, Quinn Weaver <asterisk at funkspiel.org> wrote:
> Hi,
>
> I'm a relative newcomer to Asterisk, and I have some questions about
> the dialplan.  Before jumping in, I want to thank Mark, Digium, and
> everyone on this list for making Asterisk what it is.  Thanks for
> giving us such an awesome toy to play with. :)
>
> 1) Has anyone thought about opening up programmatic access to
> Asterisk's internal representation of the dialplan?  With this, there
> would be no need to munge and reload extensions.conf.
>
> Basically, I want to be able to reorder menus (extensions, priorities)
> from within a call via an AGI or res_perl script[1].  I'd also like to do
> the same thing between calls.
>
> My understanding is that this is not possible in the Asterisk API.
> Do you think it's desirable?  How easily could I hack Asterisk to
> make it happen?  Where would I start?
>
> 2) Apart from question 1, has anyone given thought to the monolithic
> nature of extensions.conf?  It seems like a scaling problem for
> service providers that have many customers on each server, each with
> independent dialplans.
>
> Of course, it's only a problem if you want to change dialplans often
> and programmatically, as I'm thinking of doing.  Has anyone else run
> into a wall with this?  How do you handle it?  Do you just work
> around it by upping the server-to-customer ratio?  (If no one here
> has faced this problem, I may post it to asterisk-biz and report back.)
>
> In any case, a solution to 1 would obviate this problem.
>
> -----------
> [1] I am aware that AGI has SET CONTEXT, SET EXTENSION, and SET PRIORITY
> commands, but those are for conditional branching within an individual
> call.  What I want to do is to modify parts of the dialplan in a way
> that will affect all calls.
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--
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Michael Anderson