[asterisk-users] Provider UNREACHABLE

[Chris Mason (Lists)]

Wilson Pickett wrote:
>> How do I program the dialplan in extensions.conf to:
>>
>> (a) try multiple provider to make an outgoing call  based on current
>> latency between my * box and the different providers ?
>>
To do this, you need a seperate application that would run something 
like fping on all your termination providers and would rate your 
providers. The an AGI would read the table and choose the providers in 
order of rating and route the call according. It would be relatively 
trivial to construct, whether it would work well is another matter, as I 
am sure we can have many discussions on what makes for the best route.
Another problem is that some providers will turn off the ability to ping 
the server, Teliax did that recently and I have to make a change to my 
monitoring setup.
My solution is to run smokeping to keep a watch on my routes, then rate 
those manually in the dialplan by using CHanIsAvail like this:

exten => s,n,ChanIsAvail(IAX2/teliax&IAX2/nufone&IAX2/sellvoip)

This way, I choose the historically highest quality provider first but 
roll over if they are down.

-- 
Chris Mason
(264) 497-5670 Fax: (264) 497-8463
Int:  (305) 704-7249 Fax: (815)301-9759 UK 44.207.183.0271
Cell: 264-235-5670
Yahoo IM: netconcepts_anguilla at yahoo.com 


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