<div dir="ltr"><div>Hi Michel,</div><div><br></div><div>Proxy server never generates OPTIONS requests, do you use a probing like in mod dispatcher (ds_ping_method) ?</div><div><br></div><div>"400<span style="white-space:pre"> </span>Bad<span style="white-space:pre"> </span>Request" indicates that the request was not understood by the server, it could be due to missing of the required header for example, but in your case the request has all required headers.. maybe the issue is on the remote side.. </div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div>Regards,</div><div><br></div><div><span style="font-size:12.8px">Arsen Semionov</span><br></div><div><br></div></div></div></div></div>
<br><div class="gmail_quote">On Tue, Oct 10, 2017 at 11:29 AM, Michel crans <span dir="ltr"><<a href="mailto:mcrans@gmail.com" target="_blank">mcrans@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi,<div>when i send from opensips an option request i receive a 400-bad request.</div><div>I guess this is because its missing the contact header ( wich i dont need according the sip rfc)</div><div><br></div><div>
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<p class="MsoNormal" style="margin-top:2pt;margin-bottom:2pt;line-height:normal">09:36:19.551613</p><p class="MsoNormal" style="margin-top:2pt;margin-bottom:2pt;line-height:normal"> vsipproxy01.local.sip > sbc02.local.sip: [bad udp cksum 0x3c1d -> 0x1818!] SIP, length: 337</p><p class="MsoNormal" style="margin-top:2pt;margin-bottom:2pt;line-height:normal"> OPTIONS sip:x.x.x.x SIP/2.0</p><p class="MsoNormal" style="margin-top:2pt;margin-bottom:2pt;line-height:normal"> Via: SIP/2.0/UDPy.y.y.y:5060;<wbr>branch=z9hG4bKc3cc.ef1bf0e.0</p><p class="MsoNormal" style="margin-top:2pt;margin-bottom:2pt;line-height:normal"> To: sip:x.x.x.x</p><p class="MsoNormal" style="margin-top:2pt;margin-bottom:2pt;line-height:normal"> From: <y.y.y.y>;tag=<wbr>6fdf67c715032fa03eb7e6e8798811<wbr>22-9108</p><p class="MsoNormal" style="margin-top:2pt;margin-bottom:2pt;line-height:normal"> CSeq: 10 OPTIONS</p><p class="MsoNormal" style="margin-top:2pt;margin-bottom:2pt;line-height:normal"> Call-ID: 0afc4f6a31598fc1-6433@y.y.y.y</p><p class="MsoNormal" style="margin-top:2pt;margin-bottom:2pt;line-height:normal"> Max-Forwards: 70</p><p class="MsoNormal" style="margin-top:2pt;margin-bottom:2pt;line-height:normal"> Content-Length: 0</p><p class="MsoNormal" style="margin-top:2pt;margin-bottom:2pt;line-height:normal"> User-Agent: OpenSIPS (2.2.5 (x86_64/linux))</p><div><br></div><div><br></div><div><div>09:36:19.551965 </div><div> sbc02sig.local.sip > vsipproxy01.local.sip: [udp sum ok] SIP, length: 291</div><div> SIP/2.0 400 Bad Request</div><div> Via: SIP/2.0/UDP y.y.y.y:5060;branch=<wbr>z9hG4bKc3cc.ef1bf0e.0</div><div> From: <172.23.113.66>;tag=<wbr>6fdf67c715032fa03eb7e6e8798811<wbr>22-9108</div><div> Call-ID: 0afc4f6a31598fc1-6433@y.y.y.y</div><div> CSeq: 10 OPTIONS</div><div> To: <sip:172.23.113.65>;tag=<wbr>3716609745-661445930</div><div> Content-Length: 0</div></div><div><br></div><div><br></div><div>help is much appriciated.</div><div><br></div><div>regards</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>Michel </div>
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