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Jim,<br>
<br>
Very old 7960 phone loads generated the true DTMF tone when using
speakerphone so that output of the speaker was picked up by the mic and
the tone appeared inband. We changed the speaker tone to be a generic
"beep" instead of the true DTMF tone becuase some destinations were
detecting doubld DTMF OOB and in band.<br>
<br>
Other than this, I have never heard of the 7960 sending digits inband
when using SCCP phone loads. The SIP and MGCP phone loads for the 7960
appear to have this option.<br>
<br>
Can you clarify what model ipphones you are using?<br>
<br>
/Wes<br>
<br>
Jim Brunetti wrote:
<blockquote cite="mid987igJTO73424S03.1089488458@uwdvg003.cms.usa.net"
type="cite">
<pre wrap="">The problem is actually between my PSTN gateway and the CCM (I'm guessing).
The CCM is doing dtmf-relay which my gateway does not support. The weird
thing about all of this is that when we first set everything up, we were
seeing inband DTMF from the phone/CCM and everything worked great. A few days
later it magically changed to H245 and no one knows why or how to switch it
back.
"Wes Sisk" <a class="moz-txt-link-rfc2396E" href="mailto:wsisk@cisco.com"><wsisk@cisco.com></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">AFAIK, It's not possible. All dtmf events must be sent as SCCP events to
CCM for IPPhones.
/Wes
</pre>
<blockquote type="cite">
<pre wrap="">-----Original Message-----
From: <a class="moz-txt-link-abbreviated" href="mailto:cisco-voip-bounces@puck.nether.net">cisco-voip-bounces@puck.nether.net</a>
[<a class="moz-txt-link-freetext" href="mailto:cisco-voip-bounces@puck.nether.net">mailto:cisco-voip-bounces@puck.nether.net</a>]On Behalf Of Jim Brunetti
Sent: Saturday, July 10, 2004 11:49 AM
To: <a class="moz-txt-link-abbreviated" href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a>
Subject: [cisco-voip] In-band DTMF with Cisco Call Manager
Anyone know how to set DTMF signaling to be in-band using Call Manager
3.3 and a 7960 IP phone? The phone is using Skinny to talk to the Call
Manager.
<a class="moz-txt-link-abbreviated" href="mailto:jim.brunetti@usa.net">jim.brunetti@usa.net</a>
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</pre>
</blockquote>
<pre wrap="">
</pre>
</blockquote>
<pre wrap=""><!---->
<a class="moz-txt-link-abbreviated" href="mailto:jim.brunetti@usa.net">jim.brunetti@usa.net</a>
</pre>
</blockquote>
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