diff --git a/ap/app/ccapp/cc_timer.h b/ap/app/ccapp/cc_timer.h
new file mode 100644
index 0000000..4b634f6
--- /dev/null
+++ b/ap/app/ccapp/cc_timer.h
@@ -0,0 +1,17 @@
+#ifndef _cc_timer_h_
+#define _cc_timer_h_
+
+
+#include    "cc_com.h"
+#include    "message.h"
+
+
+VOID  *zCcApp_HookOffTimer(VOID *arg);
+VOID  *zCcApp_HookOff_Idle_Timer(VOID *arg);
+VOID  *zCcApp_DtmfTimer(VOID *arg);
+VOID  *zCcApp_BusyToneTimer(VOID *arg);
+VOID  *zCcApp_TkyToneTimer(VOID *arg);
+VOID  *zCcApp_SsDialToneTimer(VOID *arg);
+
+#endif
+