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 href="mailto:mtaylor@employees.org">mtaylor@employees.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div style="word-wrap:break-word;color:rgb(0, 0, 0);font-size:14px;font-family:Calibri, sans-serif"><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>
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