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

[Trey Hilyard]

I would especially look at the CHANUNAVAIL dial status Since it sounds like
you are probably qualifying your IAX trunk, that status will be the
quickest way to overflow from IAX to TDM.

On Sat, May 30, 2015, 11:35 PM Ashwin Surendran <
Ashwin.Surendran at now-health.com> wrote:

>  Hi Matt,
>
>
>
> I was a bit concerned on the delay if there might  be any when my iax link
> is down?
>
> It would be two dial steps right when my iax link is down.
>
> But I’m more than happy to try.
>
>
>
> Many Thanks,
>
> Ashwin.
>
> *From:* asterisk-users-bounces at lists.digium.com [mailto:
> asterisk-users-bounces at lists.digium.com] *On Behalf Of *Matt Riddell
> (lists)
> *Sent:* 30 May 2015 16:55
> *To:* Asterisk Users Mailing List - Non-Commercial Discussion
> *Subject:* Re: [asterisk-users] How to use TRUNK only if IAX fails?
>
>
>
> The command he gave you was in Asterisk. Why do you not want to call it to
> try it?
>
>
>
> Then you can fail over to the other trunk if the IAX link is down.
>
> Kind regards,
>
>
>
>   Matt
>
>
> On May 30, 2015, at 2:03 AM, Ashwin Surendran <
> Ashwin.Surendran at now-health.com> wrote:
>
>  Many Thanks Carlos, I was hoping to check whether the remote server is
> available before I issue the dial in my dial plan.
>
> Is there a better way to do it in asterisk without using unix commands?
>
>
> Many Thanks,
> Ashwin
>
> On 5/30/15, 2:06 AM, "Carlos Chavez" <cursor at telecomabmex.com> wrote:
>
>
>  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
>
>
>
>
>
>  --
>
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