<div dir="ltr">I m facing problem with TDM2400P pstn card. When someone dials, the voice quality is crappy....Instead of hearing.<br><br><span class="code">Echo cancel almost works, but the callee hear what they describe as a 'background crackle/buzz' coming back when they talk.<br>
<br>I tried with rxgain & txgain tuning but ....... no effect.<br><br>Anyone have idea, what to do for the better sound quality.<br><br>Shariq<br></span></div>