From afc1fd36396697bad95c8b4e8788e480c40ec9da Mon Sep 17 00:00:00 2001
From: Dave Horton <daveh@beachdognet.com>
Date: Mon, 9 Mar 2020 22:17:44 +0000
Subject: [PATCH] prevent calling dlg.destroy twice

---
 lib/session/call-session.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/lib/session/call-session.js b/lib/session/call-session.js
index f27cc80b..6d45f4d3 100644
--- a/lib/session/call-session.js
+++ b/lib/session/call-session.js
@@ -567,10 +567,14 @@ class CallSession extends Emitter {
     dlg.connectTime = moment();
     const origDestroy = dlg.destroy.bind(dlg);
     dlg.destroy = () => {
-      const duration = moment().diff(this.dlg.connectTime, 'seconds');
-      this.emit('callStatusChange', {callStatus: CallStatus.Completed, duration});
-      this.logger.debug('CallSession: call terminated by jambones');
-      if (dlg.connected) origDestroy();
+      if (dlg.connected) {
+        dlg.connected = false;
+        dlg.destroy = origDestroy;
+        const duration = moment().diff(this.dlg.connectTime, 'seconds');
+        this.emit('callStatusChange', {callStatus: CallStatus.Completed, duration});
+        this.logger.debug('CallSession: call terminated by jambones');
+        origDestroy();
+      }
     };
   }