Fix/dial refer (#1264)

* Revert "Update dial.js (#1243)"

This reverts commit 259dedcded.

* add to .gitignore

* when we receive a REFER on the parent leg, after adulting the child the dial task in the parent session should end

lib/tasks/dial.js

@@ -422,12 +422,14 @@ class TaskDial extends Task {
         }
         //caller and callee legs are briged together, accept refer with 202 will release callee leg endpoint
         //that makes freeswitch release endpoint for caller leg.
-        //if the remaning leg is not a child (the child has now adulted) then hangup the A leg.
         if (this.ep) this.ep.unbridge();
         res.send(202);
         this.logger.info('DialTask:handleRefer - sent 202 Accepted');
+
+        /* if we got the REFER on the parent leg, end the dial task after completing the refer */
         if (!isChild) {
-          this.cs._jambonzHangup('refer-completed');
+          this.logger.info('DialTask:handleRefer - killing dial task after processing REFER on parent leg');
+          cs.currentTask?.kill(cs, KillReason.ReferComplete);
         }
       } catch (err) {
         this.logger.info({err}, 'DialTask:handleRefer - error processing incoming REFER');

lib/utils/constants.json

@@ -243,6 +243,7 @@
   "KillReason": {
     "Hangup": "hangup",
     "Replaced": "replaced",
+    "ReferComplete": "refer-complete",
     "MediaTimeout": "media_timeout"
   },
   "HookMsgTypes": [