<div>Dear all,</div>
<div>I'm trying to setup a SIP call with XLITE using my asterisk PBX, but I have trouble, I see on XLITE console:</div>
<div> </div>
<div>Registration Error: 503 - Service unavailable.<br clear="all"></div>
<div>Someone have a tutorial or a step by step description how to do that ?</div>
<div> </div>
<div>Thanks in advance</div>
<div><br>-- <br>Giancarlo Lombardo<br></div>