<HTML dir=ltr><HEAD>
<META http-equiv=Content-Type content="text/html; charset=unicode">
<META content="MSHTML 6.00.2900.3354" name=GENERATOR></HEAD>
<BODY>
<DIV id=idOWAReplyText23647 dir=ltr>
<DIV dir=ltr><FONT face=Arial color=#000000 size=2>Hi All,</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>Does SIP server at iptel.org support UDP register?</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2>When my UA rigister to iptel.org whith UDP, the 401 response always replied by SER at port</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2>100xx(example 10028). But in my contact of rigister port assigned to 5060.</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2>So, my UA can't recive the 401 response, register failure.</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>But use TCP everyting is OK?</FONT></DIV>
<DIV dir=ltr> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>Can anyone give me help?</FONT> </DIV></DIV>
<DIV id=idSignature25833 dir=ltr>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Best regards,</FONT></DIV>
<DIV><FONT face=Arial size=2>Steven Wu</FONT></DIV></DIV></BODY></HTML>