diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/blocking/AllJidsUnblockedListener.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/blocking/AllJidsUnblockedListener.java
new file mode 100644
index 000000000..0648d0e0c
--- /dev/null
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/blocking/AllJidsUnblockedListener.java
@@ -0,0 +1,23 @@
+/**
+ *
+ * Copyright 2017 Florian Schmaus
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jivesoftware.smackx.blocking;
+
+public interface AllJidsUnblockedListener {
+
+	void onAllJidsUnblocked();
+
+}
diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/blocking/BlockingCommandManager.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/blocking/BlockingCommandManager.java
index 78b27c7f7..c67b82692 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/blocking/BlockingCommandManager.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/blocking/BlockingCommandManager.java
@@ -1,6 +1,6 @@
 /**
  *
- * Copyright 2016 Fernando Ramirez, Florian Schmaus
+ * Copyright 2016-2017 Fernando Ramirez, Florian Schmaus
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,7 +20,9 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.WeakHashMap;
+import java.util.concurrent.CopyOnWriteArraySet;
 
 import org.jivesoftware.smack.AbstractConnectionListener;
 import org.jivesoftware.smack.ConnectionCreationListener;
@@ -82,6 +84,12 @@ public final class BlockingCommandManager extends Manager {
         return blockingCommandManager;
     }
 
+    private final Set<AllJidsUnblockedListener> allJidsUnblockedListeners = new CopyOnWriteArraySet<>();
+
+    private final Set<JidsBlockedListener> jidsBlockedListeners = new CopyOnWriteArraySet<>();
+
+    private final Set<JidsUnblockedListener> jidsUnblockedListeners = new CopyOnWriteArraySet<>();
+
     private BlockingCommandManager(XMPPConnection connection) {
         super(connection);
 
@@ -99,6 +107,10 @@ public final class BlockingCommandManager extends Manager {
                         List<Jid> blockedJids = blockContactIQ.getJids();
                         blockListCached.addAll(blockedJids);
 
+                        for (JidsBlockedListener listener : jidsBlockedListeners) {
+                            listener.onJidsBlocked(blockedJids);
+                        }
+
                         return IQ.createResultIQ(blockContactIQ);
                     }
                 });
@@ -117,8 +129,14 @@ public final class BlockingCommandManager extends Manager {
                 List<Jid> unblockedJids = unblockContactIQ.getJids();
                 if (unblockedJids == null) { // remove all
                     blockListCached.clear();
+                    for (AllJidsUnblockedListener listener : allJidsUnblockedListeners) {
+                        listener.onAllJidsUnblocked();
+                    }
                 } else { // remove only some
                     blockListCached.removeAll(unblockedJids);
+                    for (JidsUnblockedListener listener : jidsUnblockedListeners) {
+                        listener.onJidsUnblocked(unblockedJids);
+                    }
                 }
 
                 return IQ.createResultIQ(unblockContactIQ);
@@ -216,4 +234,27 @@ public final class BlockingCommandManager extends Manager {
         connection().createStanzaCollectorAndSend(unblockContactIQ).nextResultOrThrow();
     }
 
+    public void addJidsBlockedListener(JidsBlockedListener jidsBlockedListener) {
+        jidsBlockedListeners.add(jidsBlockedListener);
+    }
+
+    public void removeJidsBlockedListener(JidsBlockedListener jidsBlockedListener) {
+        jidsBlockedListeners.remove(jidsBlockedListener);
+    }
+
+    public void addJidsUnblockedListener(JidsUnblockedListener jidsUnblockedListener) {
+        jidsUnblockedListeners.add(jidsUnblockedListener);
+    }
+
+    public void removeJidsUnblockedListener(JidsUnblockedListener jidsUnblockedListener) {
+        jidsUnblockedListeners.remove(jidsUnblockedListener);
+    }
+
+    public void addAllJidsUnblockedListener(AllJidsUnblockedListener allJidsUnblockedListener) {
+        allJidsUnblockedListeners.add(allJidsUnblockedListener);
+    }
+
+    public void removeAllJidsUnblockedListener(AllJidsUnblockedListener allJidsUnblockedListener) {
+        allJidsUnblockedListeners.remove(allJidsUnblockedListener);
+    }
 }
diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/blocking/JidsBlockedListener.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/blocking/JidsBlockedListener.java
new file mode 100644
index 000000000..e907a7a5b
--- /dev/null
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/blocking/JidsBlockedListener.java
@@ -0,0 +1,27 @@
+/**
+ *
+ * Copyright 2017 Florian Schmaus
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jivesoftware.smackx.blocking;
+
+import java.util.List;
+
+import org.jxmpp.jid.Jid;
+
+public interface JidsBlockedListener {
+
+	void onJidsBlocked(List<Jid> blockedJids);
+
+}
diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/blocking/JidsUnblockedListener.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/blocking/JidsUnblockedListener.java
new file mode 100644
index 000000000..139a9117c
--- /dev/null
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/blocking/JidsUnblockedListener.java
@@ -0,0 +1,27 @@
+/**
+ *
+ * Copyright 2017 Florian Schmaus
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jivesoftware.smackx.blocking;
+
+import java.util.List;
+
+import org.jxmpp.jid.Jid;
+
+public interface JidsUnblockedListener {
+
+    void onJidsUnblocked(List<Jid> unblockedJids);
+
+}