The start_dtmf app simply turns on listening in-band for DTMFs, so this should be just fine. Have bw.com enable in-band DTMFs and give it a test drive.
-MC

On Tue, Mar 30, 2010 at 11:01 AM, Sean Holt <sean@obscuradigital.com> wrote:
Hello,

I’ve posted on the question on this topic before but I’ll try again with more detail.

I have this svn version
FreeSWITCH Version 1.0.trunk (16952)
SIP provider: Bandwidth.com

I’m assuming that DTMF rc2833 is the default, but I can’t get my ivr to recognize the incoming call tones.  Bandwidth can set up either inband or RC2833.  They require these codecs, G.711Ulaw and G.729A.

The tech at Bandwidth wanted me to setup inband to test if that works better, but wasn’t sure where to set it up.  I added this to my dialplan

<extension name="main_number_23" continue="true">
      <condition field="destination_number" expression="^3000$">
        <action application="answer"/>
        <action application="start_dtmf"/>
        <action application="sleep" data="1000"/>
        <action application="conference" data="conference_1@conference_1"/>
      </condition>
</extension>

Should I add it to my sip trunk?

Not sure how to troubleshoot this issue

Thanks
Sean

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