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

[Ashwin Surendran]

>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?

Many Thanks,
Ashwin

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