diff --git a/openbsc/src/bsc_api.c b/openbsc/src/bsc_api.c
new file mode 100644
index 0000000..b504752
--- /dev/null
+++ b/openbsc/src/bsc_api.c
@@ -0,0 +1,33 @@
+/* GSM 08.08 like API for OpenBSC. The bridge from MSC to BSC */
+
+/* (C) 2010 by Holger Hans Peter Freyther
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <openbsc/bsc_api.h>
+#include <openbsc/abis_rsl.h>
+
+
+int gsm0808_submit_dtap(struct gsm_subscriber_connection *conn,
+			struct msgb *msg, int link_id)
+{
+	msg->lchan = conn->lchan;
+	msg->trx = msg->lchan->ts->trx;
+	return rsl_data_request(msg, link_id);
+}