diff --git a/openbsc/src/gsm_04_08_utils.c b/openbsc/src/gsm_04_08_utils.c
index c62f04d..c9cbd5c 100644
--- a/openbsc/src/gsm_04_08_utils.c
+++ b/openbsc/src/gsm_04_08_utils.c
@@ -25,6 +25,7 @@
  */
 #include <stdio.h>
 #include <stdlib.h>
+#include <errno.h>
 #include <netinet/in.h>
 
 #include <openbsc/msgb.h>
@@ -395,3 +396,20 @@
 	return str_cur - string;
 }
 
+
+int send_siemens_mrpci(struct gsm_lchan *lchan,
+		       u_int8_t *classmark2_lv)
+{
+	struct rsl_mrpci mrpci;
+
+	if (classmark2_lv[0] < 2)
+		return -EINVAL;
+
+	mrpci.power_class = classmark2_lv[1] & 0x7;
+	mrpci.vgcs_capable = classmark2_lv[2] & (1 << 1);
+	mrpci.vbs_capable = classmark2_lv[2] & (1 <<2);
+	mrpci.gsm_phase = (classmark2_lv[1]) >> 5 & 0x3;
+
+	return rsl_siemens_mrpci(lchan, &mrpci);
+}
+