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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Have an issue with BYE routing in a lab setup, any suggestions on what I should be looking at?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Topology:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">UA1 <-> NAT device 1 <-> Proxy1 <-> Registrar/B2BUA <-> Proxy1 <-> NAT device 1 <-> UA2<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">All UA to UA calls flow through B2BUA.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">All IP’s are public except for UA1 and UA2.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">-Both endpoints can call each other.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">-If the caller hangs up first, BYE is routed properly.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">-If the callee hangs up first, BYE causes proxy to send 478.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">On calls where BYE results in 478:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">if(!isdsturiset()) {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"> ……….…………………….not executed<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"> handle_ruri_alias()<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">return;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Example issue call: UA2 to UA1, UA1 hang-up.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE 24dc84a4592515245177483c2a657042@B2BUA_IP:5160} *** cfgtrace:dbg_cfg_trace(): request_route=[DLGURI]
c=[/usr/local/etc/kamailio/kamailio.cfg] l=540 a=16 n=if<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE 24dc84a4592515245177483c2a657042@B2BUA_IP:5160} *** cfgtrace:dbg_cfg_trace(): request_route=[DLGURI]
c=[/usr/local/etc/kamailio/kamailio.cfg] l=532 a=24 n=isdsturiset<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE 24dc84a4592515245177483c2a657042@B2BUA_IP:5160} *** cfgtrace:dbg_cfg_trace(): request_route=[DLGURI]
c=[/usr/local/etc/kamailio/kamailio.cfg] l=540 a=2 n=return<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">………..<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE 24dc84a4592515245177483c2a657042@B2BUA_IP:5160} tm [ut.h:245]: uri2dst2(): bad_uri: [sip::;transport=]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE 24dc84a4592515245177483c2a657042@B2BUA_IP:5160} tm [t_fwd.c:1732]: t_forward_nonack(): failure
to add branches<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE 24dc84a4592515245177483c2a657042@B2BUA_IP:5160} *** cfgtrace:dbg_cfg_trace(): request_route=[RELAY]
c=[/usr/local/etc/kamailio/kamailio.cfg] l=275 a=24 n=sl_reply_error<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE 24dc84a4592515245177483c2a657042@B2BUA_IP:5160} sl [sl_funcs.c:401]: sl_reply_error(): stateless
error reply used: Unresolvable destination (478/SL)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Apr 10 00:31:28 edgedev /usr/local/sbin/kamailio[5317]: ERROR: {1 2 BYE 24dc84a4592515245177483c2a657042@B2BUA_IP:5160} *** cfgtrace:dbg_cfg_trace(): request_route=[RELAY]
c=[/usr/local/etc/kamailio/kamailio.cfg] l=277 a=2 n=exit<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">2020/04/10 00:31:28.625060 NAT_Device_IP:57808 -> Proxy_IP:5060<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">BYE sip:398@B2BUA_IP:5160 SIP/2.0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Via: SIP/2.0/UDP UA1_IP:52884;branch=z9hG4bK-524287-1---43b5f31829f20952<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Max-Forwards: 70<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Route: <sip:Proxy_IP;lr=on;ftag=as78671fd9;did=b1b.a27><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Contact: <sip:399@UA1_IP:52884><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">To: "Dan Test" <sip:398@B2BUA_IP:5160>;tag=as78671fd9<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">From: <sip:399@UA1_IP:52884;rinstance=705e0af5f4be485c;alias=NAT_Device_IP:~57808~1>;tag=64f4b712<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Call-ID: 24dc84a4592515245177483c2a657042@B2BUA_IP:5160<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">CSeq: 2 BYE<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">User-Agent: xxxxxxxxxxxxxxxx<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Content-Length: 0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">#########################################<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">For comparison, here is a BYE from another test call:
<u>UA1 to UA2, UA1 hang-up.<o:p></o:p></u></span></p>
<p class="MsoNormal"><u><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p><span style="text-decoration:none"> </span></o:p></span></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">This BYE was routed correctly.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">2020/04/10 00:44:02.688608 NAT_Device_IP:57808 -> Proxy_IP:5060<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">BYE sip:398@B2BUA_IP:5160 SIP/2.0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Via: SIP/2.0/UDP UA1_IP:52884;branch=z9hG4bK-524287-1---ce36df02e8a80a48<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Max-Forwards: 70<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Route: <sip:Proxy_IP;lr=on;ftag=9078f232;did=49e.8c01><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Contact: <sip:399@UA1_IP:52884><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">To: <sip:398@B2BUA_IP>;tag=as5874901f<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">From: <sip:399@B2BUA_IP:5060>;tag=9078f232<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Call-ID: 103104NGU1NjkxNGZkYmM4MzA3Y2FkMzY1OGNkZTZmMTMyZDU<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">CSeq: 3 BYE<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">User-Agent: xxxxxxxxxxxxxxxx<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Authorization: Digest username= xxxxxxxxxxxxxxxx<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif">Content-Length: 0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Segoe UI Historic",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">-dan<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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