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-rw-r--r--openbsc/src/libmsc/msc_ifaces.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/openbsc/src/libmsc/msc_ifaces.c b/openbsc/src/libmsc/msc_ifaces.c
index 500c99c2e..85e293107 100644
--- a/openbsc/src/libmsc/msc_ifaces.c
+++ b/openbsc/src/libmsc/msc_ifaces.c
@@ -23,6 +23,10 @@
#include <openbsc/debug.h>
#include <openbsc/gsm_data.h>
#include <openbsc/msc_ifaces.h>
+#include <openbsc/iu.h>
+#include <openbsc/gsm_subscriber.h>
+
+#include "../../bscconfig.h"
static int msc_tx(struct gsm_subscriber_connection *conn, struct msgb *msg)
{
@@ -81,3 +85,18 @@ int msc_gsm48_tx_mm_serv_rej(struct gsm_subscriber_connection *conn,
return msc_tx_dtap(conn, msg);
}
+
+int msc_tx_common_id(struct gsm_subscriber_connection *conn)
+{
+ /* Common ID is only sent over IuCS */
+ if (conn->via_ran != RAN_UTRAN_IU)
+ return 0;
+
+#ifdef BUILD_IU
+ return iu_tx_common_id(conn->iu.ue_ctx, conn->subscr->imsi);
+#else
+ LOGP(DMM, LOGL_ERROR,
+ "Cannot send CommonID: RAN_UTRAN_IU but IuCS support not built\n");
+ return -ENOTSUP;
+#endif
+}