diff --git a/jni/libzrtp/sources/zrtp/libzrtpcpp/ZrtpPacketHelloAck.h b/jni/libzrtp/sources/zrtp/libzrtpcpp/ZrtpPacketHelloAck.h
new file mode 100644
index 0000000..d3e138e
--- /dev/null
+++ b/jni/libzrtp/sources/zrtp/libzrtpcpp/ZrtpPacketHelloAck.h
@@ -0,0 +1,59 @@
+/*
+  Copyright (C) 2006-2013 Werner Dittmann
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU Lesser 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 _ZRTPPACKETHELLOACK_H_
+#define _ZRTPPACKETHELLOACK_H_
+
+/**
+ * @file ZrtpPacketHelloAck.h
+ * @brief The ZRTP HelloAck message
+ *
+ * @ingroup GNU_ZRTP
+ * @{
+ */
+
+#include <libzrtpcpp/ZrtpPacketBase.h>
+
+/**
+ * Implement the HelloAck packet.
+ *
+ * The ZRTP simple message HelloAck. The implementation sends this
+ * after receiving a Hello packet.
+ *
+ * @author Werner Dittmann <Werner.Dittmann@t-online.de>
+ */
+
+class __EXPORT ZrtpPacketHelloAck : public ZrtpPacketBase {
+
+ public:
+    /// Creates a HelloAck packet with default data
+    ZrtpPacketHelloAck();
+
+    /// Creates a HelloAck packet from received data
+    ZrtpPacketHelloAck(uint8_t* data);
+
+    virtual ~ZrtpPacketHelloAck();
+
+ private:
+     HelloAckPacket_t data;
+};
+
+/**
+ * @}
+ */
+#endif // ZRTPPACKETHELLOACK
+