The Via header ends with a semicolon (;) and that's not a valid end of header character. I've seen this problem when there's a SIP ALG in between the UA and SER that removes parameters but does not do it properly. The problem I faced was with rport parameter: the UA added rport to Via header, the router removed the rport BUT it left the semicolon->invalid header!!!!
<br><br>Solutions:<br><br>1.- Stop SIP ALG in the router!!!!!!->It will save you further headaches and weird behaviours....<br>2.- Configure UA to not use rport parameter.<br><br>Hope it helps,<br>Samuel<br><br><br><div>
<span class="gmail_quote">2007/6/6, Ricardo Martinez <<a href="mailto:rmartinez@magenta.cl">rmartinez@magenta.cl</a>>:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<p><font face="Arial" size="2">Hello list.</font>
<br> <font face="Arial" size="2">I'm getting this error for a REGISTER.</font>
</p>
<p><font face="Arial" size="2">REGISTER sip:<a href="http://lidersippy.redvoiss.net" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">lidersippy.redvoiss.net</a> SIP/2.0.</font>
<br><font face="Arial" size="2">Via: SIP/2.0/UDP <a href="http://200.68.45.114:37206" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">200.68.45.114:37206</a>;branch=z9hG4bK0a00323b0000000b4666e12d0000305100000009;.
</font>
<br><font face="Arial" size="2">From: <<a href="mailto:sip:553100009880@mydomain.net" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">sip:553100009880@mydomain.net</a>>;tag=2bad6e229e4.</font>
<br><font face="Arial" size="2">To: <<a href="mailto:sip:553100009880@mydomain.net" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">sip:553100009880@mydomain.net</a>>.</font>
<br><font face="Arial" size="2">Contact: <sip:553100009880@200.68.45.114:37206;user=phone>.</font>
<br><font face="Arial" size="2">Call-ID: ECEB6C3024274F41945FDDBC5CF502250x0a00323b.</font>
<br><font face="Arial" size="2">CSeq: 9 REGISTER.</font>
<br><font face="Arial" size="2">Max-Forwards: 70.</font>
<br><font face="Arial" size="2">User-Agent: SJphone/1.63.321a (SJ Labs).</font>
<br><font face="Arial" size="2">Content-Length: 0.</font>
<br><font face="Arial" size="2">.</font>
</p>
<p><font face="Arial" size="2">Jun 6 12:31:39 liderpx ser[28075]: ERROR: parse_via: invalid via - end of header in state 6 </font>
<br><font face="Arial" size="2">Jun 6 12:31:39 liderpx ser[28075]: ERROR: parse_via on: <SIP/2.0/UDP <a href="http://200.68.45.114:37206" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">200.68.45.114:37206
</a>;branch=z9hG4bK0a00323b0000000b4666e12d0000 > ntent-Length: 0ne/1.63.321a (SJ Labs)250x0a00323b=phone>e229e4</font></p>
<p><font face="Arial" size="2">Jun 6 12:31:39 liderpx ser[28075]: ERROR: parse_via parse error, parsed so far:<SIP/2.0/UDP <a href="http://200.68.45.114:37206" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
200.68.45.114:37206</a>;branch=z9hG4bK0a003 > 0000000b4666e12d0000305100000009;</font></p>
<p><font face="Arial" size="2">Jun 6 12:31:39 liderpx ser[28075]: ERROR: get_hdr_field: bad via </font>
<br><font face="Arial" size="2">Jun 6 12:31:39 liderpx ser[28075]: ERROR: bad header field </font>
<br><font face="Arial" size="2"> > ntent-Length: 0ne/1.63.321a (SJ Labs)250x0a00323b=phone>e229e400b4666e12d0000305100000009;ss.net SIP/2.0</font>
<br><font face="Arial" size="2">Jun 6 12:31:39 liderpx ser[28075]: ERROR: receive_msg: parse_msg failed </font>
</p>
<p><font face="Arial" size="2">Does anyone knows what is going on?</font>
<br><font face="Arial" size="2">Thanks!</font>
</p>
<p><font face="Arial" size="2">Regards,</font>
<br><font face="Arial" size="2">Ricardo .-</font>
</p>
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