diff --git a/ci-scripts/conf_files/enb.band7.tm1.25PRB.rfsim.mbms.conf b/ci-scripts/conf_files/enb.band7.25prb.rfsim-tm1-mbms.conf
similarity index 100%
rename from ci-scripts/conf_files/enb.band7.tm1.25PRB.rfsim.mbms.conf
rename to ci-scripts/conf_files/enb.band7.25prb.rfsim-tm1-mbms.conf
diff --git a/ci-scripts/yaml_files/4g_rfsimulator_mbms/docker-compose.yml b/ci-scripts/yaml_files/4g_rfsimulator_mbms/docker-compose.yml
index 6677ed4cdc..fddacbe7cc 100644
--- a/ci-scripts/yaml_files/4g_rfsimulator_mbms/docker-compose.yml
+++ b/ci-scripts/yaml_files/4g_rfsimulator_mbms/docker-compose.yml
@@ -14,7 +14,7 @@ services:
             RFSIMULATOR: enb
             USE_ADDITIONAL_OPTIONS: --rfsim --noS1 --log_config.global_log_options level,nocolor,time
         volumes:
-            - ../../conf_files/enb.band7.tm1.25PRB.rfsim.mbms.conf:/opt/oai-enb/etc/mounted.conf
+            - ../../conf_files/enb.band7.25prb.rfsim-tm1-mbms.conf:/opt/oai-enb/etc/mounted.conf
         healthcheck:
             test: /bin/bash -c "pgrep lte-softmodem"
             interval: 10s
@@ -36,14 +36,10 @@ services:
             TZ: Europe/Paris
             HOSTNAME: oai_ue0
             RFSIMULATOR: 192.168.61.20
-            MCC: '208'
-            MNC: '93'
-            SHORT_IMSI: '100001111'
-            LTE_KEY: '8baf473f2f8fd09487cccbd7097c6862'
-            OPC: 'e734f8734007d6c5ce7a0508809e7e9c'
-            MSISDN: '33611123456'
-            HPLMN: 20893
+            USE_VOLUMED_CONF: 'yes'
             USE_ADDITIONAL_OPTIONS: -C 2680000000 -r 25 --ue-rxgain 140 --ue-txgain 120 --rfsim --noS1 --log_config.global_log_options level,nocolor,time --noS1
+        volumes:
+            - ../../conf_files/lteue.usim-mbs.conf:/opt/oai-lte-ue/etc/ue_usim.conf
         healthcheck:
             test: /bin/bash -c "pgrep lte-uesoftmodem"
             interval: 10s