<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I have never seen these dropouts and we use the dtmf detection without issue. Try contacting sangoma to see if they have a fix for this, I suspect they do already have this in a newer release.<div><br></div><div>Mike</div><div><br><div><div>On May 6, 2010, at 2:59 PM, Robert Hadley wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place">
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<div class="Section1"><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial"><o:p> </o:p></span></font></p><p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">Our Freeswitch implementation has two second audio
dropouts on calls that pass through the Sangoma PRI card caused by DTMF
talkoff.<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""><o:p> </o:p></span></font></p><p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">We know how to turn HW DTMF detection off, but then
FS automatically enables software DTMF detect. How do we prevent <st1:place w:st="on">SW DTMF</st1:place> detection in FS?<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""><o:p> </o:p></span></font></p><p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">Our attempt to manage when HW DTMF detection is
active is not very clean (see pastebin report of things we tried at <a href="http://pastebin.freeswitch.org/12923">http://pastebin.freeswitch.org/12923</a>).<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""><o:p> </o:p></span></font></p><p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">I tried using the start_dtmf and stop_dtmf
applications in the dialplan but they didn’t work to prevent talkoff or
splits, and the stop_dtmf application stopped audio for internal calls. Is
there a better way to control HW DTMF detection or DTMF line splits from the
dialplan?<o:p></o:p></span></font></p></div></div></o:smarttagtype></blockquote></div><br></div></body></html>