From 169ee99afae5ef2cb3a7f4eae478f9ca0ce8c643 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Thu, 18 Jun 2020 20:32:58 +0200
Subject: [PATCH] do not attempt to reject call if session had already ended.
 fixes #3798

---
 .../siacs/conversations/xmpp/jingle/JingleRtpConnection.java  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
index e45b79997..e6e2cdda3 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
@@ -889,6 +889,10 @@ public class JingleRtpConnection extends AbstractJingleConnection implements Web
     }
 
     public synchronized void rejectCall() {
+        if (isTerminated()) {
+            Log.w(Config.LOGTAG,id.account.getJid().asBareJid()+": received rejectCall() when session has already been terminated. nothing to do");
+            return;
+        }
         switch (this.state) {
             case PROPOSED:
                 rejectCallFromProposed();