[Freeswitch-users] XML DialPlan Gateay dialing redundancy

[Avi Marcus]

This seems like such a common case that it's sad we mostly have
individually built kludges for our bridges.
Personally, my routing continue on any error, which sometimes results in 3
different errors from the carriers.
Sometimes, it's 3 user_busy in a row -- and sometimes 2 busy and then the
call goes through, so I'm not sure I can even trust user_busy....

Perhaps we can figure out and wikify a "standard" for using attempting via
multiple carriers for connecting to PSTN...

-Avi

On Wed, Dec 26, 2012 at 8:15 PM, Michael Collins <msc at freeswitch.org> wrote:

> Yeah, that's a fun one. You'll probably need to concoct a configuration
> making use of continue_on_fail and failure_causes chan vars. You'll also
> need to figure out all the ways in which each gateway's carrier might fail
> the call. Oh, and "no answer" is also a "failure" so you'll need to find a
> way to handle that differently than the other "failure" conditions. Perhaps
> after each bridge attempt you could all a lua script that checks the value
> of bridge_hangup_cause and then decide what to do with the call, i.e. on a
> no answer you could transfer the call to a voicemail extension but on any
> other failure cause you could simply exit the script and let the dialplan
> continue processing.
>
> Just as a starter maybe something like this:
>
> <action application="set" data="continue_on_fail=true"/>
> <action application="set" data="hangup_after_brdige=false"/>
> <action application="bridge" data="sofia/gateway/gw1/$1"/>
> <action application="lua" data="check_cause.lua"/>
> <action application="bridge" data="sofia/gateway/gw2/$1"/>
> <action application="lua" data="check_cause.lua"/>
> <action application="bridge" data="sofia/gateway/gw3/$1"/>
> <action application="lua" data="check_cause.lua"/>
>
> You'll need to make sure the lua script also checks to see if the previous
> bridge was answered and if so then hangup the call, otherwise it will keep
> trying the next bridge command.
>
> Have fun with that one! :)
>
> -Michael
>
> On Mon, Dec 24, 2012 at 9:36 AM, Sean Devoy <sdevoy at bizfocused.com> wrote:
>
>> ** **
>>
>> I need a little help with a complex XML dialplan.  Also, I am on the
>> Stable release so I do not believe the much needed nested conditions exists
>> for me yet.****
>>
>> ** **
>>
>> My problem is faulty gateway providers who periodically fail to connect
>> the call with [temp failure] because “our routing tables where not up to
>> date.”****
>>
>> ** **
>>
>> So what I am after is an xml dialplan to do this****
>>
>> If (it is a 10 or 11 digit dial)****
>>
>>                 Dial using gateway 1****
>>
>>                 If no answer****
>>
>>                                 Go to voice mail****
>>
>>                 Else if gateway failure ****
>>
>>                                 Dial using gateway 2****
>>
>>                 If no answer****
>>
>>                                 Go to voice mail****
>>
>>                 Else if gateway failure ****
>>
>>                                 Dial using gateway 3****
>>
>>                 If no answer****
>>
>>                                 Go to voice mail****
>>
>>                                 Else if gateway failure****
>>
>>                                                 Play a message that the
>> number is screwed!****
>>
>> ** **
>>
>> Perhaps I need to breakdown and use a scripting language like LUA or
>> JavaScript for this, but I would rather keep everything in XML if possible.
>> ****
>>
>> ** **
>>
>> Any thoughts?****
>>
>> ** **
>>
>> Happy Holidays to all,****
>>
>> Sean****
>>
>> ** **
>>
>> _________________________________________________________________________
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>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
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>
>
> --
> Michael S Collins
> Twitter: @mercutioviz
> http://www.FreeSWITCH.org <http://www.freeswitch.org/>
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>
>
> _________________________________________________________________________
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> http://www.freeswitchsolutions.com
>
> 
> 
>
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