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</o:shapelayout></xml><![endif]--></head><body lang=EN-AU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks Moises, noted!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>With regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Sirish<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] <b>On Behalf Of </b>Moises Silva<br><b>Sent:</b> Tuesday, 11 December 2012 4:22 PM<br><b>To:</b> FreeSWITCH Users Help<br><b>Subject:</b> Re: [Freeswitch-users] FreeSWITCH+Sangoma with dialup modems<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>On Mon, Dec 10, 2012 at 9:24 PM, Sirish Masur Mohan <<a href="mailto:Sirish.MasurMohan@oa.com.au" target="_blank">Sirish.MasurMohan@oa.com.au</a>> wrote:<o:p></o:p></p><div><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Moises,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks for the reply. I have been able to resolve this issue – looks like I had to explicitly choose the modem carrier (1200) using the +MS command.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>However, curious to know a bit more on the echo canceller that you are referring to – we are using the Sangoma card with echo canceller, and I haven’t explicitly turned it off!</span><o:p></o:p></p></div></div></blockquote><div><p class=MsoNormal>Echo cancellation is not a good idea in data calls. Mind you, depending on the type of data call there is variable tolerance. Also, some data calls (ie fax) start by sending a well-known tone that Sangoma echo canceller recognizes and then disables itself (see CED tone here: <a href="http://telecom.tbi.net/fax-call.htm">http://telecom.tbi.net/fax-call.htm</a>).<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>If it's working for you, good :) ... if you start having issues with some calls succeeding some not, now you know another thing to try (turn off the ec).<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=648 style='width:486.3pt;border-collapse:collapse'><tr style='height:60.55pt'><td style='border:none;border-top:dotted windowtext 3.0pt;padding:1.45pt 5.75pt 1.45pt 5.75pt;height:60.55pt'><p style='margin:0cm;margin-bottom:.0001pt;line-height:11.25pt'><b><span lang=PT-BR style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#0E5DA7'>Moises Silva<br></span></b><b><i><span lang=EN-CA style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#80B0D6'>Manager, Software Engineering</span></i></b><o:p></o:p></p><p style='margin:0cm;margin-bottom:.0001pt;line-height:11.25pt'><span lang=EN-CA style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#005CA5'><a href="mailto:msilva@sangoma.com" target="_blank">msilva@sangoma.com</a></span><o:p></o:p></p><p style='margin:0cm;margin-bottom:.0001pt;line-height:11.25pt'><span lang=EN-CA style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#005CA5'>Sangoma Technologies</span><o:p></o:p></p><p style='margin:0cm;margin-bottom:.0001pt;line-height:11.25pt'><span lang=EN-CA style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#005CA5'>100 Renfrew Drive, Suite 100, Markham, ON L3R 9R6 Canada</span><o:p></o:p></p></td><td width=187 style='width:140.45pt;border:none;border-top:dotted windowtext 3.0pt;padding:1.45pt 5.75pt 1.45pt 5.75pt;height:60.55pt'><p style='margin:0cm;margin-bottom:.0001pt;line-height:11.25pt'><span lang=EN-CA style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#005CA5'><br>t. +1 800 388 2475 (N. 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