[Freeswitch-users] can mod_httapi decide if the call should be answerred?

[Michael Collins]

On Thu, Jun 27, 2013 at 3:49 AM, Rafal Gwizdala <rafal.gwizdala at gmail.com>wrote:

> Thanks, Michael, for prompting me to do some homework
>
> I made some tests and the conclusions are:
>
> 1. You don't need to answer the call in the dialplan before calling into
> httapi
> Both extensions below will make httapi requests to my application:
>
> <extension name="test1">
>         <condition field="destination_number" expression="^6622$">
>             <action application="httapi" data="{url=
> http://localhost/simver/FSHttApi/Test}" />
>         </condition>
>     </extension>
>
>     <extension name="test2">
>         <condition field="destination_number" expression="^6621$">
>             <action application="answer" />
>             <action application="httapi" data="{url=
> http://localhost/simver/FSHttApi/Test}" />
>         </condition>
>     </extension>
>
> 2. You don't need to answer the call in the httapi script
> This one looks quite strange but I think I finally understood it - I can
> play back sounds or 'say' something without explicitly 'answerring' the
> call. But the call is 'pre-answerred' only and in this state you won't be
> able to collect dtmf, for example. I don't know what is the exact
> difference between a pre-answerred and answerred call but one nice thing is
> that when you <hangup /> or <break /> in this state the call will be
> rejected and the caller will hear a 'busy' signal.
>
> 3. Answerring the call
> You can answer the call with
> <application name="answer"/>
> but by default there's no permission to run the 'answer' application from
> httapi script so you need to enable it in httapi.conf.xml
> From now on the call is answerred and everything runs as usual.
>
> Best regards
> Rafal
>
>
>
>
> Thanks for sharing your research with us - it is much appreciated. I've
added this to the HTTAPI wiki
page<http://wiki.freeswitch.org/wiki/Mod_httapi#Answer_and_pre-answer_before_httapi>.
If you don't mind please request a wiki account (done at the wiki login
page) and you can add to/edit the wiki also.
-MC

-- 
Michael S Collins
Twitter: @mercutioviz
http://www.FreeSWITCH.org
http://www.ClueCon.com
http://www.OSTAG.org
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