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Completely agree, we might be putting an E1 card in the Cisco and
front-ending it with a Patton yet...<br>
<br>
I have an SN4961 30 Channel license in stock.<br>
<br>
An update on my testing; At the moment, I have the Cisco set to
rfc2833, and Wireshark (filter on 'rtpenvents') clearly shows the
DTMF being originated from the Cisco.<br>
<br>
<br>
I should also point out that it _looks_ like the PSTN<-->SIP
gateway is doing DTMF in-band, which is passing transparently
through FS, from 'external' to 'internal' i.e. DTMF works in-bound
no matter which direction the call is placed.<br>
<br>
Next step: capture a trace of a 'good' vs 'bad' call between FS and
the PSTN GW and verify which type of DTMF the 'good' call is
actually using.<br>
This will also let me know if FS is converting RFC2833 to
in-band correctly towards the PSTN.<br>
<br>
Also, as Yehavi pointed out, making the Cisco transcode might fix it
(again, the trace between FS and PSTN GW might show something).<br>
<br>
Ahh, just looking at the Wiki I have check to make sure I have this
correct;<br>
<a
href="http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_start_dtmf_generate">http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_start_dtmf_generate</a><br>
<br>
Thanks everyone, <br>
Mike<br>
<br>
On 24/05/2011 5:49 p.m., David Ponzone wrote:
<blockquote cite="mid:8E8B36E9-30A4-4F2B-99D0-619A0432BCE6@ipeva.fr"
type="cite">You should consider Patton SN4961.
<div>I am no shareholder of Patton, but those boxes work so great
and are quite cheaper than the competition, that it is hard to
imagine why anyone would buy something else...</div>
<div><br>
<div>
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<div>
<div>Le 24/05/2011 à 06:01, Yehavi Bourvine a écrit :</div>
<br class="Apple-interchange-newline">
<blockquote type="cite">
<div dir="rtl">
<div dir="ltr">Hello,</div>
<div dir="ltr"> </div>
<div dir="ltr"> I had for a long time a Cisco SIP-E1(with
Q.sig) gateway which caused me much grief with DTMF; it
works partially OK with INFO but not with RFC-2833. I
filed a support call with Cisco, as its debug shows that
it receives and detects the RFC2833 but nothing is sent
to the E1 side.</div>
<div dir="ltr"> </div>
<div dir="ltr">The last conslusion of Cisco's support is
that I have to enable transcoding but they coouldn't
find how to enable it in my configuration. I now have an
Audioodes Mediant-1000 on loan which does RFC-2833
without any problems...</div>
<div dir="ltr"> </div>
<div dir="ltr">The only problem I've found so far with the
AudioCodes is name passing via E1/Q.sig at the ringing
phase (we use it to connect our Freeswitch to our Nortel
PbX).</div>
<div dir="ltr">
</div>
<div dir="ltr"> Regards, __Yehavi:</div>
<div dir="ltr"> </div>
<div dir="ltr"><br>
<br>
</div>
<div dir="ltr" class="gmail_quote">
<div>2011/5/24 Mike Taylor <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:mtaylor@employees.org">mtaylor@employees.org</a>></span></div>
<blockquote style="margin: 0px 0px 0px 0.8ex;
padding-left: 1ex; border-left: 1px solid rgb(204,
204, 204);" class="gmail_quote">
<div>
<div style="color: rgb(0, 0, 0); font-family:
Calibri,sans-serif; font-size: 14px; word-wrap:
break-word;">
<div>Good point, thanks,</div>
<div><br>
</div>
<div>But, RFC2833 I've found to be unreliable,
broken, patchy, scratchy…. </div>
<div><br>
</div>
<div>I've got it set to RFC2833 now, and it just
ain't working.</div>
<div><br>
</div>
<div>Will get more traces, trial and error until I
stumble across a good combo, or bug(s)…</div>
<div><br>
</div>
<div>Thanks again,</div>
<div>Mike</div>
<div><br>
</div>
<span>
<div style="border-width: 1pt medium medium;
border-style: solid none none; border-color:
rgb(181, 196, 223) currentcolor currentcolor;
padding: 3pt 0in 0in; text-align: left; color:
black; font-family: Calibri; font-size: 11pt;">
<span style="font-weight: bold;">From: </span>
Ognjen Seslija <<a moz-do-not-send="true"
href="mailto:oseslija@gmail.com"
target="_blank">oseslija@gmail.com</a>><br>
<span style="font-weight: bold;">Reply-To: </span>
FreeSWITCH Users Help <<a
moz-do-not-send="true"
href="mailto:freeswitch-users@lists.freeswitch.org"
target="_blank">freeswitch-users@lists.freeswitch.org</a>><br>
<span style="font-weight: bold;">Date: </span>
Mon, 23 May 2011 20:46:09 +0200<br>
<span style="font-weight: bold;">To: </span>
FreeSWITCH Users Help <<a
moz-do-not-send="true"
href="mailto:freeswitch-users@lists.freeswitch.org"
target="_blank">freeswitch-users@lists.freeswitch.org</a>><br>
<span style="font-weight: bold;">Subject: </span>
Re: [Freeswitch-users] FS - DTMF and Cisco
CME/UCE<br>
</div>
<div>
<div class="h5">
<div><br>
</div>
Why use INFO when it's only method I know
Cisco won't speak (2833, kpml, sub/notify)?<br>
<br>
Here's the CME snippet for FS trunk I have.
FS sends 2833 tones to CME btw.<br>
<br>
dial-peer voice 100 voip<br>
description ** TO FS **<br>
destination-pattern .T<br>
b2bua<br>
session protocol sipv2<br>
session target sip-server<br>
session transport udp<br>
dtmf-relay rtp-nte<br>
codec g711alaw<br>
no vad<br>
<br>
<br>
<br>
<br>
<div class="gmail_quote">On Mon, May 23,
2011 at 4:07 AM, Mike Taylor <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:mtaylor@employees.org"
target="_blank">mtaylor@employees.org</a>></span>
wrote:<br>
<blockquote style="margin: 0px 0px 0px
0.8ex; padding-left: 1ex; border-left:
1px solid rgb(204, 204, 204);"
class="gmail_quote">
<div style="color: rgb(0, 0, 0);
font-family: Calibri,sans-serif;
font-size: 14px; word-wrap:
break-word;">
<div>
<div>
<div>Hi,</div>
</div>
</div>
<div><br>
</div>
<div>This is driving me nuts. </div>
<div>I have a Cisco CME (a few
actually) where I cannot get DTMF to
work.</div>
<div><br>
</div>
<div>Does someone happen to have the
magic recipe of SIP/Dialplan
profiles and Cisco config to make
DTMF <relay> work?</div>
<div><br>
</div>
<div>I spent several very very painful
days trying to get RFC2833 to work,
using FS to try and generate the
tones itself. I ended up with all
sorts of codec mismatches,
delay,distortion and some really
mangled DTMF tones…</div>
<div><br>
</div>
<div>So, now I'm back to;</div>
<div><br>
</div>
<div>PSTN----CiscoGW----<external>----FS----<internal>----<CUST
PABX>---Phone</div>
<div><br>
</div>
<div>Where <CUST PABX> is 3 CMEs
that won't talk DTMF</div>
<div>30+ other vendor's gateway's that
WILL do DTMF…</div>
<div><br>
</div>
<div>Context External and internal are
both set to dtmf-type info (or
dtmf_type info) </div>
<div><br>
</div>
<div>DTMF works FROM the Cisco GW
towards our network, doesn't </div>
<div><br>
</div>
<div><br>
</div>
<div>So, does anyone have a magic
solution?</div>
<div> Because Cisco TAC say they see
DTMF being sent (as rtp-nte), when I
need INFO or in-band.</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>Thanks,</div>
<div>Mike</div>
</div>
<br>
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