<div dir="ltr">That is weird, I asked the provider that isn&#39;t it a negotiated setting. He said &#39;No&#39;.<div><br></div><div>Can you point me to a doc that confirms it, will send it to the service provider.</div><div><br></div><div>Thanks</div><div><br></div><div>Bilal</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Apr 10, 2017 at 10:44 AM, Michael Jerris <span dir="ltr">&lt;<a href="mailto:mike@jerris.com" target="_blank">mike@jerris.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Its currently hardcoded in our code.  Would require a new option to let you set that.  That being said, this is a negotiated setting, us sending 0-16 shouldn’t cause anything to fail.  If its failing the call because of that, that seems to me to be a problem they should correct on their switch.  Its really strange to see this required on the sending side.<br>
<div><div class="h5"><br>
<br>
&gt; On Apr 10, 2017, at 1:34 PM, Bilal Dar &lt;<a href="mailto:bilal@rgate-systems.com">bilal@rgate-systems.com</a>&gt; wrote:<br>
&gt;<br>
&gt; We are having issues sending out DTMF, primarily when dial any conference bridge.<br>
&gt;<br>
&gt; My provider asked me to send  &#39;a=fmtp:101 0-15&#39; instead of &#39;a=fmtp:101 0-16&#39;. They do not accept flash.<br>
&gt;<br>
&gt; Appreciate if anyone can let me know how we can fix that.<br>
&gt;<br>
&gt; Thanks<br>
&gt;<br>
&gt; Bilal<br>
<br>
<br>
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