<font size=2 face="sans-serif">It's 10.0.1</font>
<br>
<br><font size=2 face="Calibri">The phone is a Valley Communications SVC-2
with the following settings:</font>
<br><font size=2 face="Calibri">In band or Out of band DTMF tones:
</font><font size=2 color=blue face="Calibri">Out of band</font>
<br><font size=2 face="Calibri">Length of tone on and off time: </font><font size=2 color=blue face="Calibri">100</font>
<br><font size=2 face="Calibri">Out of band DTMF payload type: </font><font size=2 color=blue face="Calibri">102</font>
<br><font size=2 face="Calibri"> </font>
<br><font size=2 face="sans-serif">Under Clusterwide parameters (H.323)
we found and set:</font>
<br>
<br><font size=2 face="sans-serif">H225 DTMF Duration: 100</font>
<br><font size=2 face="sans-serif">Audio Bandwidth for Call Counting CAC:
102</font>
<br>
<br><font size=2 face="sans-serif">... might be coincidence, and it seems
to work. </font>
<br>
<br><font size=2 face="sans-serif">Thanks,</font>
<br>
<br><font size=2 face="sans-serif">Joe</font>
<br>
<br>
<br>
<br><font size=1 color=#5f5f5f face="sans-serif">From:
</font><font size=1 face="sans-serif">Nick Britt <nickolasjbritt@gmail.com></font>
<br><font size=1 color=#5f5f5f face="sans-serif">To:
</font><font size=1 face="sans-serif">Brian Meade <bmeade90@vt.edu></font>
<br><font size=1 color=#5f5f5f face="sans-serif">Cc:
</font><font size=1 face="sans-serif">Joe Loiacono/USA/CSC@CSC,
cisco-voip <cisco-voip-bounces@puck.nether.net>, "cisco-voip@puck.nether.net"
<cisco-voip@puck.nether.net></font>
<br><font size=1 color=#5f5f5f face="sans-serif">Date:
</font><font size=1 face="sans-serif">08/28/2017 02:09 PM</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Subject:
</font><font size=1 face="sans-serif">Re: [cisco-voip]
DTMF settings in CUCM</font>
<br>
<hr noshade>
<br>
<br>
<br><font size=3>Hi Joe,</font>
<br>
<br><font size=3>Can I ask which version of CUCM you are using? there are
some known issues with DTMF in 10.5.2</font>
<br>
<br><font size=3>On Mon, Aug 28, 2017 at 10:40 AM, Brian Meade <</font><a href=mailto:bmeade90@vt.edu target=_blank><font size=3 color=blue><u>bmeade90@vt.edu</u></font></a><font size=3>>
wrote:</font>
<br><font size=3>CUCM will try to negotiate inband (RFC2833) and out of
band.</font>
<br>
<br><font size=3>I don't believe you can edit length of tone or on/off
times for RFC2833.</font>
<br>
<br><font size=3>To use true inband, you need a universal transcoder.</font>
<br>
<br><font size=3>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.</font>
<br>
<br><font size=3>On Mon, Aug 28, 2017 at 1:28 PM, Joe Loiacono <</font><a href=mailto:jloiacon@csc.com target=_blank><font size=3 color=blue><u>jloiacon@csc.com</u></font></a><font size=3>>
wrote:</font>
<br><font size=2 face="sans-serif">Having difficulties with a third-party
conference phone losing DTMF capability.</font><font size=3> <br>
</font><font size=2 face="Calibri"><br>
Does anyone know where to find these settings in CUCM?</font><font size=3>
</font><font size=2 face="Calibri"><br>
</font><font size=3> </font><font size=2 face="Calibri"><br>
In band or Out of band DTMF tones</font><font size=3> </font><font size=2 face="Calibri"><br>
Length of tone on and off time</font><font size=3> </font><font size=2 face="Calibri"><br>
Out of band DTMF payload type</font><font size=3> <br>
</font><font size=2 face="sans-serif"><br>
Thanks,</font><font size=3> <br>
</font><font size=2 face="sans-serif"><br>
Joe</font>
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</font>
<br>
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<br><font size=3><br>
</font>
<br>
<br><font size=3>-- </font>
<br><font size=3>- Nick</font>
<br>