<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">we have 2833… 4733 is mostly a super set of that. I have personally never seen a device that supports anything in the superset part, so we’ve never made any efforts to add any of the new tone stuff it can do, but regular dtmf handling interpos properly with almost all things out there.<div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Jun 26, 2017, at 10:53 AM, Muhammad Naseer Bhatti <<a href="mailto:nbhatti@gmail.com" class="">nbhatti@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div id="bloop_customfont" style="font-family: Helvetica, Arial; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">Hi, like the subject says, do we have support for RFC 4733? Can’t seem to find anything references in the code so far. </div></div></blockquote></div><br class=""></div></body></html>