<br><br><div class="gmail_quote"><div dir="ltr">On Mon, Apr 16, 2018, 16:24 Dmitri Savolainen <<a href="mailto:savolainen@erinaco.ru">savolainen@erinaco.ru</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Ideally I think Kamailio should send correct (i.e increasing) CSeq numbers.</span><br></blockquote></div><div dir="ltr"><div>in my mind it can't be increased by kamailio because of:</div><div>1. kamailio send OPTIONS with cseq+1</div><div>2. media server may send some indialog reinvite with cseq+1 and then kamailio have to remember that OPTIONS and translate reinvite to cseq+2.</div></div></blockquote></div><div><br></div><div>Fair point, statelessness is important.</div><div><br></div><div><br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>I don't know why for "<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;background-color:rgb(255,255,255)">ka-src" CSeq is 0 and for "ka-dst" the one is equal: so may be it is possible to be fixed </span></div></div></blockquote></div><div><br></div><div>I'll investigate, under the assumption everyone agrees it's a bug.</div><div><br></div><div><br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br></span></span></span></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span> </span>(for example BYE) to be dropped by the firewall.</span></blockquote></div><div dir="ltr"><div>this may be achieved by</div><div>1. usrloc pinging</div></div></blockquote></div><div><br></div><div>I'm not sure that is usrloc pinging, but if you mean nathelper's nat_ping, then that wouldn't work for me because it's only for MUAs that use REGISTER, which on my system does not always happen.</div><div><br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>2. short re-registration period for endpoint (60 sec for ex)</div></div></blockquote></div><div><br></div><div>Aside from the fact that REGISTER is not guaranteed to ever happen, this is also a UA setting that can't be enforced by the server and has serious implications on battery life outside of a call.</div><div><br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>3. let's media server send options by itself via kamailio</div></div></blockquote></div><div><br></div><div>This may or may not be possible on my setup, I'll have to investigate - thanks for the suggestion!</div><div><br></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><p dir="ltr"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">Oded Arbel</span></p><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px"><a href="mailto:oded.arbel@greenfieldtech.net" target="_blank" style="font-size:12.8px">oded.arbel@greenfieldtech.net</a><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px"><a href="http://greenfieldtech.net/" target="_blank"><img alt="Greenfield Tech" src="https://docs.google.com/uc?export=download&id=0B7YBJmVm7aC4QzZkNE1INkRUV1k&revid=0B7YBJmVm7aC4cjVKbHk4Qld3akpOWFJFd0dDQnRVVnROaEg0PQ"></a></div>
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