[asterisk-users] Problem in Detecting Dtmf on FXO line.

[DHAVAL INDRODIYA]

Hi,

I tried with cid_rxgain,rxgain to put upto 5.0 and 10.0 values but not
getting success.

regards
Dhaval

On Fri, Jul 8, 2011 at 8:34 PM, Ruben Rögels <ruben.roegels at jumping-frog.org
> wrote:

> Am 08.07.2011 08:58, schrieb DHAVAL INDRODIYA:
> > Hi All,
> >
> > 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].
> >
> > We have Purchased Analog card From chinaroby.com <http://chinaroby.com>
> > which is X1600P 16 port FXO  card. they also provide us wctdm.c file.
> >
> > card is detected successfully, incoming and outgoing calls scenario is
> > also fine.
> >
> > 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 .
> >
> > Dahdi version is 2.3.0.1 and asterisk version 1.6.0.24
> >
> > I load module using
> > modprobe wctdm opermod=INDIA cidbeforering=1 cidbuflen=1
> > fixedtimepolarity=16
> >
> > here id  chan_dahdi.conf.
>
> Hello,
>
> did you try plaing with rxgain and txgain?
> When I set up a TDM400, I had some issues with DTMF because the signals
> where overmodulated.
>
> Regards,
> Ruben
>
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