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-rw-r--r--src/gprs/gprs_subscriber.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gprs/gprs_subscriber.c b/src/gprs/gprs_subscriber.c
index 484c7ef4..fb45df98 100644
--- a/src/gprs/gprs_subscriber.c
+++ b/src/gprs/gprs_subscriber.c
@@ -820,6 +820,13 @@ int gprs_subscr_location_update(struct gprs_subscr *subscr)
"subscriber data is not available\n");
gsup_msg.message_type = OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST;
+#if BUILD_IU
+ if (subscr->sgsn_data->mm->ran_type == MM_CTX_T_UTRAN_Iu)
+ gsup_msg.rat_types[0] = OSMO_RAT_UTRAN_IU;
+ else
+#endif
+ gsup_msg.rat_types[0] = OSMO_RAT_GERAN_A;
+ gsup_msg.rat_types_len = 1;
return gprs_subscr_tx_gsup_message(subscr, &gsup_msg);
}