diff --git a/openbsc/include/openbsc/gsm_04_08.h b/openbsc/include/openbsc/gsm_04_08.h
index 96e12c6..be530c3 100644
--- a/openbsc/include/openbsc/gsm_04_08.h
+++ b/openbsc/include/openbsc/gsm_04_08.h
@@ -736,4 +736,6 @@
 
 extern const char *gsm0408_cc_msg_names[];
 
+int send_siemens_mrpci(struct gsm_lchan *lchan, u_int8_t *classmark2_lv);
+
 #endif
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index 196fdca..3c9ffbb 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -1282,22 +1282,6 @@
 	return gsm48_sendmsg(msg, NULL);
 }
 
-static 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);
-}
-
 /*
  * Handle CM Service Requests
  * a) Verify that the packet is long enough to contain the information
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);
+}
+