asterisk users - Jun 2007 - Forcing Dial application to skip if called server is unreachable

Is it possible to force the Dial function to skip to the next priority  
if it doesn't find the server of the called contact within a few  
seconds?

I know I can use:  
Dial(Technology/resource[&Tech2/resource2...][|timeout][|options][|URL])
where I can use some short timeout in the "timeout" option, but if I  
do so, when some call is well succeeded, it will only ring for that  
time!

Any ideas?

Regards,
Ricardo.



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On Wed, 20 Jun 2007, rjcarvalho at reit.up.pt wrote:
> Is it possible to force the Dial function to skip to the next priority if
it
> doesn't find the server of the called contact within a few seconds?
>
> I know I can use: 
>
Dial(Technology/resource[&Tech2/resource2...][|timeout][|options][|URL])
> where I can use some short timeout in the "timeout" option, but
if I do so,
> when some call is well succeeded, it will only ring for that time!
   I think you basically have to pick one or the other.  Either set a long 
timeout (15-30 sec, e.g. Dial(SIP/whatever,20) or don't use this feature.

   The good news is that if the destination SIP server is actually 
unreachable, Dial() should return almost instantly, at which point it
should jump to the failure priority.

--
Alex Balashov
Evariste Systems
Web    : http://www.evaristesys.com/
Tel    : +1-678-954-0670
Direct : +1-678-954-0671

...not really sure, maybe ChanIsAvail can be of use ?
--
  Ex Vito

On 6/20/07, rjcarvalho at reit.up.pt <rjcarvalho at reit.up.pt>
wrote:
> Is it possible to force the Dial function to skip to the next priority if
it
> doesn't find the server of the called contact within a few seconds?
>
> I know I can use:
>
Dial(Technology/resource[&Tech2/resource2...][|timeout][|options][|URL])
> where I can use some short timeout in the "timeout" option, but
if I do so,
> when some call is well succeeded, it will only ring for that time!
>
> Any ideas?
>