[asterisk-users] Re: extensions.conf strangeness

[Martin Joseph]

On 2006-10-02 13:55:15 -0700, Brian Candler <B.Candler at pobox.com> said:

> On Sun, Oct 01, 2006 at 03:55:45PM +0100, Marco Mouta wrote:
>> 
>> [invalid]
>>> exten => _X!,1,Answer()
>>> exten => _X!,2,Background(pbx-invalid)
>> Are you sure that your invalid context is correctly written?
>> I've never heard about this pattern match _X!
>> As far as i know the wild card is the "."
>> So your invalid context should be:
>> [invalid]
>> exten => _X.,1,Answer()
>> exten => _X.,2,Background(pbx-invalid)
>> This may be the cause....
> 
> _X! means "match the pattern as soon as it possibly could". If you use _X.
> then a timeout has to take place to see whether some other pattern might
> match.
> 
> But your explanation still doesn't go into why it works differently in one
> context than another. I guess I'm going to have to assume that Asterisk
> dialplans are non-deterministic :-(
> 
> Are there any debug tools which can show the "thought process" as a
> dial-plan is processed - for example, what patterns are tried and in what
> order?

You can say show dialplan from the command line...

Don't know if this helps?

Marty