<div dir="ltr">Hi Joe,<div><br></div><div>Can I ask which version of CUCM you are using? there are some known issues with DTMF in 10.5.2<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Aug 28, 2017 at 10:40 AM, Brian Meade <span dir="ltr"><<a href="mailto:bmeade90@vt.edu" target="_blank">bmeade90@vt.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">CUCM will try to negotiate inband (RFC2833) and out of band.<div><br></div><div>I don't believe you can edit length of tone or on/off times for RFC2833.</div><div><br></div><div>To use true inband, you need a universal transcoder.</div><div><br></div><div>It tries to negotiate a few different methods such as Unsolicited Notify, KPML, and SIP Info (I believe receive but not send on this one). You can't hard set to use a certain out of band DTMF method. It should automatically negotiate. You'll have to check the SIP signaling.</div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Mon, Aug 28, 2017 at 1:28 PM, Joe Loiacono <span dir="ltr"><<a href="mailto:jloiacon@csc.com" target="_blank">jloiacon@csc.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><font size="2" face="sans-serif">Having difficulties with a third-party
conference phone losing DTMF capability.</font>
<br>
<br><font size="2" face="Calibri">Does anyone know where to find these settings
in CUCM?</font>
<br><font size="2" face="Calibri"> </font>
<br><font size="2" face="Calibri">In band or Out of band DTMF tones</font>
<br><font size="2" face="Calibri">Length of tone on and off time</font>
<br><font size="2" face="Calibri">Out of band DTMF payload type</font>
<br>
<br><font size="2" face="sans-serif">Thanks,</font>
<br>
<br><font size="2" face="sans-serif">Joe</font><br></div></div>______________________________<wbr>_________________<br>
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