Back up to the Voicemail page


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A niche feature, but with call recording enabled when the audio file is emailed to you any DTMF presses that the user presses is also included in the email as an XML file. The body of the email also includes the DTMF presses but the XML file includes timestamp details.

e.g. here is an XML file for a DTMF of '5' pressed 10 seconds (6000ms) into the call and it was pressed for 240ms:

<?xml version="1.0" encoding="UTF-8"?> 
<dtmf channels="2">
   <dtmf channel="1" key="5" time="6000" length="240"/> 

You can then process the XML file with your own systems.

This could be useful in the following situations:

  • Use the voicemail greeting as a questionnaire - record your voicemail with your questions and explain to the caller to press the buttons on their phone to answer them.
  • Track a caller through an IVR route

There is no option to enable this feature, it is a default feature.