diff --git a/gsm_bs.cpp b/gsm_bs.cpp
index 10d1e8c..20eb36d 100644
--- a/gsm_bs.cpp
+++ b/gsm_bs.cpp
@@ -39,6 +39,9 @@ int bts_model_bs11_init(void);
 int bts_model_nanobts_init(void);
 static struct log_target *stderr_target;
 
+extern struct bsc_api *msc_bsc_api();
+extern int bsc_api_init(struct gsm_network *network, struct bsc_api *api);
+
 /* timer to store statistics */
 #define DB_SYNC_INTERVAL	60, 0
 static struct timer_list db_sync_timer;
@@ -849,6 +852,9 @@ int gsm_bs_init(void)
 	}
 	gsm->network = bsc_gsmnet;
 
+	/* Initialise BSC-API */
+	bsc_api_init(bsc_gsmnet, msc_bsc_api());
+
 	return 0;
 }