<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Try filling out contact-host too. But if the far end gets pissed about your contact they are broken.<div><br></div><div>/b</div><div><br><div><div>On Sep 4, 2009, at 2:22 PM, Dmitry Bely wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">Well, you are right. Looks like the problem is not with authorization<br>but in the line<br><br> Contact: <<a href="sip:gw+1.2.3.4@5.6.7.8:5080;transport=udp">sip:gw+1.2.3.4@5.6.7.8:5080;transport=udp</a>><br><br>that the gateway would like to see as<br><br> Contact: <<a href="sip:username@1.2.3.4">sip:username@1.2.3.4</a>><br><br>I've found (almost undocumented) parameter extension-in-contact, but<br>it still gives<br><br> Contact: <<a href="sip:username@5.6.7.8:5080;transport=udp">sip:username@5.6.7.8:5080;transport=udp</a>></span></blockquote></div><br></div></body></html>