<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div>Hello,<br>     The uac_replace_from works like a charm. However, preferred/asserted identity are not supported by some of the pstn providers.<br><br>Thanks<br>Jesse<br></div></div><br><br><span title="neteasefooter"><p> </p></span>