diff --git a/include/asterisk/causes.h b/include/asterisk/causes.h
new file mode 100755
index 0000000000..470510981c
--- /dev/null
+++ b/include/asterisk/causes.h
@@ -0,0 +1,9 @@
+#define AST_CAUSE_NOTDEFINED	0
+#define AST_CAUSE_NORMAL	1
+#define AST_CAUSE_BUSY		2
+#define AST_CAUSE_FAILURE	3
+
+/* Translate the pri's cause number to asterisk's */
+int hangup_pri2cause(int cause);
+
+