[asterisk-users] How to use TRUNK only if IAX fails?

[Carlos Chavez]

On 5/29/15 1:16 PM, Ashwin Surendran wrote:
>> Hi,
> I have multiple Asterisk servers in various parts of the world all
> connected using dedicated VPN¹s.
>
> Each of these servers have iax and dahdi TRUNK configured on them.
>
> Occasionally the VPN¹s fail.
>
> What I want to be able to do is on my dial plan, use IAX if the asterisk
> server can reach the remote server using the internet OR, use TRUNK only
> if it can¹t use IAX.
>
> Any ideas on how this can be implemented on the dial plan?
>
>
     Check the DIALSTATUS variable to see if the IAX trunk failed and 
then dial via DAHDI.

https://wiki.asterisk.org/wiki/display/AST/Dial+Channel+Variables

-- 
Telecomunicaciones Abiertas de México S.A. de C.V.
Carlos Chávez
+52 (55)9116-91161