That exact feature is not there, but you might be able to do some math of length against silence hits to figure out if its all silence or not.  Take a look at how silence_hits are figured out in switch_ivr_record_file to understand the math you have to do to length.

Mike

> On May 17, 2018, at 2:59 AM, Eugene Prokopiev <enp@itx.ru> wrote:
>
> Hi,
>
> Is it possible to automatically remove recorded files which contains
> nothing except silence? Can mod_dptools:record do this just after
> recoding attempt?
>


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