[Freeswitch-users] Freeswitch in an existing phone network

Thu Jun 10 06:05:29 PDT 2010

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David Ponzone  Direction Technique
email: david.ponzone at ipeva.fr
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Service Client IPeva
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Le 10/06/2010 à 14:48, Oliver Schenk a écrit :

> Hi,
>
> Thanks for everyone's reply. Great help. I have a basic IVR going  
> when I
> dial a given extension.
>
> I have managed to clean out most of FreeSWITCH config and I've even
> written a little javascript file to which my call gets redirected to  
> and
> it just says a small phrase using flite. I'm looking at buying more
> professional TTS voices such as Cebstral or Ivona. I'm hosting my
> freeswitch server in a Virtual Box instance running on Ubuntu Server
> 10.04. I do my testing from X-Lite running on the host computer.
>
> Anyway, that said, I think we will have to stick with Windows because:
> 1) Our existing railway SCADA server will be windows based.
> 2) The SCADA libraries are .NET based.
> 3) I don't want to have separate hardware just to run linux.
> 4) Our company isn't too good at supporting linux.
>
>
> My problem now is to try to somehow trigger freeswitch to make an
> outgoing call on demand...
>
>
> The flow of my logic is:
>
> 1) A critical alarm occurs on our SCADA system.
> 2) FreeSWITCH should be triggered to make an outgoing call.
> 3) Use a pre-recorded WAV or use TTS to tell the callee what the  
> alarm is.
>
>
> The problem:
>
> I don't know how to "tell" freeswitch that it needs to make a call and
> maybe even pass some parameters. Given I have C# and SQL at my  
> disposal,
> what should I use? A freeswitch javascript program that runs in an
> infinite loop and constantly scans for new alarms in a database? In  
> the
> registry? In a folder using files? Using a http request? command line?
>
> In other words, how do I trigger a freeswitch javascript program  
> externally?
>
>
> (By the way I tried to use the "managed" module that comes with
> freeswitch, but it just throws exceptions left right and center
> TypeInitializationException)...
>
> Anyone have some experience?
>
>
> Thanks,
>
> Oliver Schenk
>
>
> On 9/06/2010 10:43 PM, Tim St. Pierre wrote:
>> Hi Oliver,
>>
>> FreeSwitch will do whatever you tell it to do and no more.
>>
>> Here's a few suggestions though -
>>
>> Empty out the default dialplan directory.  Don't throw those away,  
>> as you may want to reference them
>> as examples, but move them somewhere else.
>>
>> Edit modules.conf.xml and comment or remove any modules that you  
>> don't need.  This will also save
>> memory and other resources.
>>
>> You can also disable all the SIP profiles except one.  Pick one  
>> that makes sense (either Internal or
>> External, it doesn't really matter that much), and edit it so that  
>> it makes sense with respect to
>> your network.  What is your topology?  Will you just be setting  
>> freeswitch up with a static IP
>> address and having calls sent to it by the main PBX?  If that's the  
>> case, you can disable a lot of
>> the STUN and uPNP functionality.  Tell this profile to bind to the  
>> IP and port that the PBX will
>> send the calls to.
>>
>> Then all you have to do, is create a very simple dialplan that will  
>> answer an incoming call and
>> perform whatever task you want.  You would essentially be starting  
>> with a blank sheet, adding just
>> the functions that you want.
>>
>> Hope that makes sense.
>>
>> -Tim
>>
>> Oliver Schenk wrote:
>>
>>> Hi All,
>>>
>>> The company I work for currently has quite an extensive phone  
>>> network
>>> which gets carried between old analogue PABXes which also has an
>>> interface to IP based phones. All the phones in our office are  
>>> connected
>>> via CAT5 cable using IP, however literally hundreds of phones out  
>>> in the
>>> field (we operate railway infrastructure) are on standard voice  
>>> analogue
>>> phones carried through fibreoptics.
>>>
>>> Anyway, I would like to use Freeswitch purely for its IVR and TTS
>>> abilities and nothing else. So basically I just need it to act  
>>> like a
>>> slave to whatever IP phone network is already out there. I'm a bit
>>> worried if I fire up freeswitch it will hijack the phone network!
>>>
>>> All our phones are accessible via a 5 digit extension. I would like
>>> Freeswitch to be behind one of those ... say 12345. If anyone  
>>> within our
>>> phone network dials 12345 then Freeswitch should answer. I guess my
>>> question is...how should I go about disabling most of FreeSwitch  
>>> except
>>> it's ability to pick up the phone and speak IVR/TTS and make an  
>>> outgoing
>>> call via the existing phone network?
>>>
>>> Any general pointers appreciated.
>>>
>>>
>>> Thanks,
>>>
>>> Oliver Schenk
>>>
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>>
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>
>
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