TT#73957 Handle BYE after 180 with to_tag

- customer has a scenario when 180 has to_tag and call terminated by caller with BYE but calle did not get any call termination signalling.
 - a bit more special for such cases BYE handling added.

Change-Id: If826a2ebf5c570bbf4e3cbe00a3ad27bffa6efef

debian/patches/series

@@ -34,3 +34,4 @@ sipwise/introduce_forcesdp_from_pbx.patch
 sipwise/0001-TT-34704-Fix-sems-and-sems-pbx-to-write-pid-file-whe.patch
 sipwise/0001-TT-53685-add_header_pattern_match_support.patch
 sipwise/add-vsc-to-disable_all_cf.patch
+sipwise/handle_bye_after_180.patch

debian/patches/sipwise/handle_bye_after_180.patch

@@ -0,0 +1,15 @@
+--- a/apps/sbc/CallLeg.cpp
++++ b/apps/sbc/CallLeg.cpp
+@@ -961,7 +961,11 @@ void CallLeg::onSipRequest(const AmSipRe
+     }
+   }
+   else {
+-    if(getCallStatus() == Disconnected &&
++    if (getCallStatus() == Ringing && !getOtherId().empty() && req.method == SIP_METH_BYE) {
++        dlg->reply(req,200,"OK");
++        stopCall(&req);
++    }
++    else if(getCallStatus() == Disconnected &&
+        req.method == SIP_METH_BYE) {
+       // seems that we have already sent/received a BYE
+       // -> we'd better terminate this ASAP