[Freeswitch-users] auto dialing question ...

Fri Jan 23 15:39:59 PST 2009

Anthony / Michael,
Thanks for the quick responses.  What I don't want to do is "drive the call"
(by that listen on a socket ... do this on this event ... or anything else
that my very limited FS foo would break) ... Just want to start it and then
give it instructions on where to go.

So I guess a better question would be ... how do I give directions to FS for
this (and I get the 1st part ... that's obvious ... really lost on the DTMF
digit part) ... and please keep in mind we're talking hundreds of extensions
/ IVR's and distributed machines so I can't have any dependancy on static
conf files other than maybe something like what Michael mentioned where I
point every call to something:

[campaign]
exten => 100,1,ANSWER()
exten => 100,n,PLAYBACK(somefile)
exten => 100,n,BACKGROUND(somefile)
exten => 100,n,WAITEXTEN(4)
exten => 100,n,HANGUP()

but in that same context is someone triggers DTMF:
exten => 1,1,DOSOMETHING
exten => 2,1,DOSOMETHING

I was imaging issuing originate via XML_RPC ... something like originate
sofia/$ANI@$IP $SOMEEXTEN then on answer when FS tries to connect to
$SOMEEXTEN it will ask me what to do via xml_curl ... where I would normally
respond with something like this:

<?xml version="1.0" encoding="UTF-8" standalone="no"?> <document
type="freeswitch/xml"> <section name="dialplan" description="FS RESPONSE">
<context name="public"> <extension name="$EXTEN"> <condition
field="destination_number" expression=""> <action application="set"
data="hangup_after_bridge=true"/> <action application="set"
data="continue_on_fail=true"/> <action application="set"
data="call_timeout=180"/> <action application="set"
data="proxy_media=true"/> <action application="set"
data="pass_rfc2833=true"/> <action application="set"
data="accountcode=$CUSTOMER" /> <action application="set"
data="origination_caller_id_name=NULL" /> <action application="set"
data="origination_caller_id_number=$CIDNUM" /> <action application="set"
data="effective_caller_id_name=NULL" /> <action application="set"
data="effective_caller_id_number=$CIDNUM" /> <action application="set"
data="userfield=$BUNCHOFCRAPFORMYCDR" /> <action application="bridge"
data="sofia/external/$ANI@$PROVIDERIP" /> </condition> </extension>
</context>
</section> </document>

The challenge I've got is I have no idea how to do stuff like the IVR
mentioned above (the playback part is easy) ... but I can't grasp
conceptually how to get the "context" with "multiple extensions" part back
to FS via this method (is it possible?)...

Sorry for what is probably a very simple answer and any AST references (but
I've been using it in heavy production environments for about 5 years). Just
trying to "port" what I do today without making my brain melt out of my ears
(and it doesn't take much for that to happen).

Shelby

PS ... Really enjoy the list. I usually fall out of my chair laughing once a
day from your remarks Anthony. Keep it coming!

On Fri, Jan 23, 2009 at 4:55 PM, Anthony Minessale <
anthony.minessale at gmail.com> wrote:

> Does AST mean Asterisk Open Source PBX ?
>
> If so, then yes I am familiar with it's archetechure as I am a former
> developer from that project.
>
> You have 3 choices with FreeSWITCH
>
> 1) You can open a dedicated connection to mod_event_socket or XMLRPC per
> call and issue the originate command from there:
>     This will block until you know for sure the outcome of the attempt.  If
> it's success it will give you the uuid if not it gives you the cause code.
>
> 2) You can use a single mod_event_socket or XMLRPC connection to send all
> calls but use the bgapi mechanism which will do the same as above
>     only asynchronously, The command will return immediately and the result
> will be fired as an event that you can pick up on the same or different
> event_socket connection or
>     other event consumer such as a custom C,perl,lua etc module.
>
> 3) You can use mod_xml_cdr to generate detailed 1-file-per-leg call files
> that will tell you when where and why the calls failed or did not fail.
>
>
>
> On Fri, Jan 23, 2009 at 4:39 PM, Michael Collins <msc at freeswitch.org>wrote:
>
>> On Fri, Jan 23, 2009 at 2:15 PM, Shelby Ramsey <sicfslist at gmail.com>
>> wrote:
>> > Sorry for the double post ... actually hit send too early ...
>> > OK ... Here goes another I'm doing this with AST  ... but I want to move
>> it
>> > to FS.  Searched via google site:lists.freeswitch.org auto dialer and
>> others
>> > ... nothing useful.
>> > Today I have a platform for auto dialing with AST (centrally managed ...
>> > about 10 machines) and we do this:
>> >   -- Remote machines query central DB for numbers to call based on
>> certain
>> > configs
>> >   -- Use AMI to generate the call
>> >   -- If call gets answered, extension info queried via rta (central db
>> > again)
>> > The nice thing about all of this is it's relatively easy to manage
>> (through
>> > one central web interface we built) and it works ... the bad part is
>> > reporting ...
>> > So ... conceptually I'm trying to accomplish the same thing ...
>> > Today we use FS a lot for termination of VoIP traffic ... all done via
>> > XML_CURL ... which is awesome  (not to xml cdr ... and the "proxying" of
>> > media) ...
>> > Would like to do something like:
>> >   -- originate request (looks simple enough)
>> >   -- on answer XML_CURL posts info
>>
>> Several choices, depending upon how much you want it handled inside
>> the dialplan vs. handled in the scripting language. For the sake of
>> testing you could do something like this:
>> <extension name="ivr-start">
>>  <condition field="destination_number" expression="ivr_whatever">
>>    <action application="set" data="execute_on_answer=transfer
>> IVR_ANSWER XML default"/>
>>    <!-- rest of dialplan -->
>>  </condition>
>> </extension>
>>
>> Then have:
>> <extension name="ivr-answer">
>>  <condition field="destination_number" expression="IVR_ANSWER">
>>    <action application="lua" data="post-info.lua
>> ${some_important_value}"/>
>>  </condition>
>> </extension>
>>
>> This would have any answered call go to the "ivr-answer" extension
>> while unanswered calls could stay in the ivr-start extension to get
>> properly handled. (Busy, no answer, invalid/SIT, etc.)
>>
>> You could then have the "ivr-answer" extension do whatever is
>> appropriate, like listen for digits, play announcement, beg for money,
>> etc. :)
>>
>> -MC
>>
>> > But for the life of me I can't figure out how to translate this into the
>> xml
>> > response ...
>> > [campaign]
>> > exten => 100,1,ANSWER()
>> > exten => 100,n,WAIT(2)
>> > exten => 100,n,BACKGROUND(${SOUND_DIR}/somefile)
>> > exten => 100,n,WAITEXTEN(10)
>> > exten => 100,n,HANGUP()
>> > exten => 1,1,PLAYBACK(goodbye)
>> > .... and so on ...
>> > I've looked at the ivr.conf stuff but it's all static and all of this
>> has to
>> > be manageable via a web interface .... meaning dumping into a DB and
>> > returning an XML response seems reasonable ... but trying to stick or
>> modify
>> > static text files from the web interface is too much text parsing and
>> bad
>> > things will happen ...
>> > Any thoughts or pointing me in the right direction would be appreciated.
>> > Shelby
>> >
>> >
>> >
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>>
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>
>
>
> --
> Anthony Minessale II
>
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