<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Did u tried by disabling relaxdtmf?<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><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> asterisk-users-bounces@lists.digium.com [mailto:asterisk-users-bounces@lists.digium.com] <b>On Behalf Of </b>DHAVAL INDRODIYA<br><b>Sent:</b> Friday, July 08, 2011 11:58 AM<br><b>To:</b> Asterisk Users Mailing List - Non-Commercial Discussion<br><b>Subject:</b> [asterisk-users] Problem in Detecting Dtmf on FXO line.<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Hi All,<br><br>I am having Problem in detecting DTMF on analog lines. basically are system is in india and telco provider is BSNL [Bharat sanchar Nigam LImited].<br><br>We have Purchased Analog card From <a href="http://chinaroby.com">chinaroby.com</a> which is X1600P 16 port FXO card. they also provide us wctdm.c file.<br><br>card is detected successfully, incoming and outgoing calls scenario is also fine.<br><br>we are unable to receive dtmf properly it means there is some digit are missing when we receive dtmf the ratio of sucess is about to 70% and 30% of calls are getting wrong dtmf .<br><br>Dahdi version is 2.3.0.1 and asterisk version 1.6.0.24<br><br>I load module using <br>modprobe wctdm opermod=INDIA cidbeforering=1 cidbuflen=1 fixedtimepolarity=16<br><br>here id chan_dahdi.conf.<br><br>[trunkgroups] <br> <br>[channels] <br>context=from-zaptel <br>signalling=fxs_ks <br>busydetect=yes <br>busycount=4 <br>;rxwink=300 ; Atlas seems to use long (250ms) winks <br>usecallerid=yes <br>callerid=asreceived <br>cidstart=polarity_in <br>cidsignalling=dtmf <br>hidecallerid=no <br>callwaiting=yes <br>usecallingpres=yes <br>callwaitingcallerid=yes <br>threewaycalling=yes <br>transfer=yes <br>canpark=yes <br>cancallforward=yes <br>callreturn=yes <br>callprogess=yes <br>echocancel=yes <br>echocancelwhenbridged=no <br>echotraining=800 <br>rxgain=0.0 <br>txgain=0.0 <br>;cid_rxgain=5.0 <br>relaxdtmf=yes <br>callgroup=1 <br>pickupgroup=1 <br>toneduration=500 <br>;answeronpolarityswitch=yes <br>hanguponpolarityswitch=yes <br>;polarityonanswerdelay=1000 <br> <br>group=0 <br>channel => 1 <br>;channel => 2 <br>;channel => 3 <br>;channel => 4 <br>;channel => 5 <br>;channel => 6 <br>;channel => 7 <br>;channel => 8 <br>;channel => 9 <br>;channel => 10 <br>;channel => 11 <br>;channel => 12 <br>;channel => 13 <br>;channel => 14 <br>;channel => 15 <br>;channel => 16<br><br><br>Also set tonezone = in in system.conf, tried many solutions and changed so many parameters of chan_dahdi.cong but still i am not getting successful result.<br><br><br>Please share your comments if anyone have idea for india specific region .<br><br>Regards<br>Dhaval<br><br><o:p></o:p></p></div></body></html>