[Freeswitch-users] Freeswitch as IVR Tester

[Phil Dunks]

Yes ‘gentones' is a workaround, but not ideal as means modifying the destination IVR to accept inband.

So is ‘send_dtmf’ broken?



> 
> From: Kalyani Kulkarni <kalyaneekulkarni at gmail.com>
> Subject: Re: [Freeswitch-users] Freeswitch as IVR Tester
> Date: 23 August 2016 at 05:16:21 BST
> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> Reply-To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> 
> 
> with FreeTDM, I've observed that I've to send DTMFs inband.
> 
> On Mon, Aug 22, 2016 at 9:18 PM, Phil Dunks <phil.dunks at netdev.co.uk <mailto:phil.dunks at netdev.co.uk>> wrote:
> Hi folks
> 
> I am trying to use FS as an automated test platform to send calls into an IVR system (also FS) and test the various call flows.
> 
> I am using node.js to control the tests over ESL.
> 
> I am using ‘originate xxx &park()’ to initiate the test call to the IVR.
> 
> Then ‘detect_speech’ with pocketsphinx to listen for key phrases in the prompts from the IVR (‘followed by hash’) etc.
> 
> So far so good - although I haven’t tested many different prompts yet.
> 
> I am then trying to use ’send_dtmf’ to navigate the IVR menus.
> 
> I am having some problems with this.
> 
> After the ‘send_dtmf’ is requested, nothing happens.
> 
> I read on a different post that it will work if you do a ‘playback’ before ‘send_dtmf’.
> 
> I tried this, and yes, ‘send_dtmf’ now does something - but not what is expected.
> 
> The CHANNEL_EXECUTE_COMPLETE event for ‘send_dtmf’ returns instantly ( e.g. 1 ms after the associated CHANNEL_EXECUTE event) rather than after the DTMF is sent, which messes up my state machine.
> 
> Also the IVR system does not react to the DTMF.
> 
> I made a test call to an x-lite instead of the IVR, and could hear the DTMF but it was distorted.
> 
> Any help greatly appreciated.
> 
> I am using 1.6.9 (installed from rpm’s) on centos 7.
> 
> Thanks
> 
> Phil
> 

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