diff --git a/include/osmocore/gsm48.h b/include/osmocore/gsm48.h
new file mode 100644
index 0000000..d0cf09d
--- /dev/null
+++ b/include/osmocore/gsm48.h
@@ -0,0 +1,9 @@
+#ifndef _OSMOCORE_GSM48_H
+
+#include <osmocore/tlv.h>
+
+extern const struct tlv_definition gsm48_att_tlvdef;
+extern const char *cc_state_names[];
+const char *rr_cause_name(uint8_t cause);
+
+#endif