Fix CSFB

srsenb/sib.conf.example

@@ -9,6 +9,7 @@ sib1 =
     (
         {
             si_periodicity = 16;
+
             // comma-separated array of SIB-indexes (from 3 to 13), leave empty or commented to just scheduler sib2
             si_mapping_info = [ 3 ];
         }
@@ -135,3 +136,21 @@ sib3 =
         t_resel_eutra = 1
     }
 };
+
+sib7 =
+{
+    t_resel_geran = 1;
+    carrier_freqs_info_list =
+    (
+        {
+            cell_resel_prio = 0;
+            ncc_permitted = 255;
+            q_rx_lev_min = 0;
+            thresh_x_high = 2;
+            thresh_x_low = 2;
+
+            start_arfcn = 871;
+            band_ind = "dcs1800";
+        }
+    );
+};

srsenb/src/stack/rrc/rrc.cc

@@ -361,7 +361,6 @@ bool rrc::modify_ue_ctxt(uint16_t rnti, const asn1::s1ap::ue_context_mod_request
   }
   if (msg.protocol_ies.registered_lai_present) {
     rrc_log->warning("Not handling RegisteredLAI\n");
-    err = true;
   }
   if (msg.protocol_ies.subscriber_profile_idfor_rfp_present) {
     rrc_log->warning("Not handling SubscriberProfileIDforRFP\n");