diff --git a/jni/libzrtp/sources/src/libzrtpcpp/ZrtpPacketClearAck.h b/jni/libzrtp/sources/src/libzrtpcpp/ZrtpPacketClearAck.h
new file mode 100644
index 0000000..992f6d8
--- /dev/null
+++ b/jni/libzrtp/sources/src/libzrtpcpp/ZrtpPacketClearAck.h
@@ -0,0 +1,54 @@
+/*
+  Copyright (C) 2006-2010 Werner Dittmann
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _ZRTPPACKETCLEARACK_H_
+#define _ZRTPPACKETCLEARACK_H_
+
+/**
+ * @file ZrtpPacketClearAck.h
+ * @brief The ZRTP ClearAck message
+ *
+ * @ingroup GNU_ZRTP
+ * @{
+ */
+
+#include <libzrtpcpp/ZrtpPacketBase.h>
+
+/**
+ * Implement the ClearAck packet - Currently not used
+ *
+ * The ZRTP simple message ClearAck. The implementation sends this
+ * after switching to clear mode (non-SRTP mode).
+ *
+ * @author Werner Dittmann <Werner.Dittmann@t-online.de>
+ */
+class __EXPORT ZrtpPacketClearAck : public ZrtpPacketBase {
+
+ public:
+    ZrtpPacketClearAck();       /// Creates a ClearAck packet with default data
+    ZrtpPacketClearAck(uint8_t* data);  /// Creates a ClearAck packet from received data
+    virtual ~ZrtpPacketClearAck();
+
+ private:
+     ClearAckPacket_t data;
+};
+
+/**
+ * @}
+ */
+#endif // ZRTPPACKETCLEARACK
+