we&#39;ve been getting complaints that DTMF is not working, i checked full log for a call that they claimed DTMF didnt work, I noticed this:<br>DTMF begin &#39;7&#39; received<br>DTMF begin ignored<div>DTMF end &#39;7&#39; received</div>
<div>DTMF end passthrough &#39;7&#39;<div><br></div><div>why is the &quot;DTMF begin ignored&quot; called?</div></div>