diff --git a/include/osmocom/gsm/Makefile.am b/include/osmocom/gsm/Makefile.am
index a39d2d0..c3670ec 100644
--- a/include/osmocom/gsm/Makefile.am
+++ b/include/osmocom/gsm/Makefile.am
@@ -1,5 +1,5 @@
 osmogsm_HEADERS = a5.h comp128.h gsm0808.h gsm48_ie.h mncc.h rxlev_stat.h \
-		  gsm0480.h gsm48.h gsm_utils.h rsl.h tlv.h
+		  gsm0480.h gsm48.h gsm_utils.h rsl.h tlv.h abis_nm.h
 
 SUBDIRS = protocol
 
diff --git a/include/osmocom/gsm/abis_nm.h b/include/osmocom/gsm/abis_nm.h
new file mode 100644
index 0000000..04e4575
--- /dev/null
+++ b/include/osmocom/gsm/abis_nm.h
@@ -0,0 +1,24 @@
+#ifndef _OSMO_GSM_ABIS_NM_H
+#define _OSMO_GSM_ABIS_NM_H
+
+#include <osmocom/gsm/tlv.h>
+#include <osmocom/gsm/protocol/gsm_12_21.h>
+
+const enum abis_nm_msgtype abis_nm_reports[4];
+const enum abis_nm_msgtype abis_nm_no_ack_nack[3];
+const enum abis_nm_msgtype abis_nm_sw_load_msgs[9];
+const enum abis_nm_msgtype abis_nm_nacks[33];
+
+const char *abis_nm_nack_cause_name(uint8_t cause);
+const char *abis_nm_nack_name(uint8_t nack);
+const char *abis_nm_event_type_name(uint8_t cause);
+const char *abis_nm_severity_name(uint8_t cause);
+const struct tlv_definition abis_nm_att_tlvdef;
+const char *abis_nm_obj_class_name(uint8_t oc);
+const char *abis_nm_opstate_name(uint8_t os);
+const char *abis_nm_avail_name(uint8_t avail);
+const char *abis_nm_test_name(uint8_t test);
+const char *abis_nm_adm_name(uint8_t adm);
+void abis_nm_debugp_foh(int ss, struct abis_om_fom_hdr *foh);
+
+#endif /* _OSMO_GSM_ABIS_NM_H */