<div id="result_box" dir="ltr">I
am using SPA 3000 (FXO) except that the Disconnect Tone is not working
for an operator (GVT) now works in another carrier (OI). I'm from
Brazil. <br>
<br> Anybody know how to find the Disconnect Tone Operator?<br><br>Att,<br>Rudá Cunha<br></div>