diff --git a/src/Makefile.am b/src/Makefile.am
index 35ba7a9..b18c1ce 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -43,6 +43,7 @@
 	bitvector.cpp \
 	pcu_l1_if.cpp \
 	pcu_vty.c \
+	pcu_vty_functions.cpp \
 	tbf.cpp \
 	tbf_ul.cpp \
 	tbf_dl.cpp \
@@ -85,6 +86,7 @@
 	gsm_timer.h \
 	bitvector.h \
 	pcu_vty.h \
+	pcu_vty_functions.h \
 	sysmo_l1_if.h \
 	femtobts.h \
 	tbf.h \
diff --git a/src/pcu_vty.c b/src/pcu_vty.c
index 9490664..7add393 100644
--- a/src/pcu_vty.c
+++ b/src/pcu_vty.c
@@ -12,6 +12,8 @@
 #include "bts.h"
 #include "tbf.h"
 
+#include "pcu_vty_functions.h"
+
 enum node_type pcu_vty_go_parent(struct vty *vty)
 {
 	switch (vty->node) {
@@ -96,7 +98,7 @@
 		vty_out(vty, " dl-tbf-idle-time %d%s", bts->dl_tbf_idle_msec,
 			VTY_NEWLINE);
 
-	return CMD_SUCCESS;
+	return pcu_vty_config_write_pcu_ext(vty);
 }
 
 /* per-BTS configuration */
diff --git a/src/pcu_vty_functions.cpp b/src/pcu_vty_functions.cpp
new file mode 100644
index 0000000..b43e3e4
--- /dev/null
+++ b/src/pcu_vty_functions.cpp
@@ -0,0 +1,36 @@
+/* pcu_vty_functions.cpp
+ *
+ * Copyright (C) 2015 by Sysmocom s.f.m.c. GmbH
+ * Author: Jacob Erlbeck <jerlbeck@sysmocom.de>
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+/* OsmoBTS VTY interface */
+
+
+#include <stdint.h>
+#include <stdlib.h>
+#include "pcu_vty_functions.h"
+
+extern "C" {
+#  include <osmocom/vty/command.h>
+#  include <osmocom/vty/logging.h>
+#  include <osmocom/vty/misc.h>
+}
+
+int pcu_vty_config_write_pcu_ext(struct vty *vty)
+{
+	return CMD_SUCCESS;
+}
diff --git a/src/pcu_vty_functions.h b/src/pcu_vty_functions.h
new file mode 100644
index 0000000..1500635
--- /dev/null
+++ b/src/pcu_vty_functions.h
@@ -0,0 +1,33 @@
+/* pcu_vty_functions.h
+ *
+ * Copyright (C) 2015 by Sysmocom s.f.m.c. GmbH
+ * Author: Jacob Erlbeck <jerlbeck@sysmocom.de>
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct vty;
+
+int pcu_vty_config_write_pcu_ext(struct vty *vty);
+
+#ifdef __cplusplus
+}
+#endif