diff --git a/radio/aidl/vts/radio_config_response.cpp b/radio/aidl/vts/radio_config_response.cpp
index dccbd0e..c532440 100644
--- a/radio/aidl/vts/radio_config_response.cpp
+++ b/radio/aidl/vts/radio_config_response.cpp
@@ -41,8 +41,9 @@
 }
 
 ndk::ScopedAStatus RadioConfigResponse::getSimultaneousCallingSupportResponse(
-        const RadioResponseInfo& info, const std::vector<int32_t>& /* enabledLogicalSlots */) {
+        const RadioResponseInfo& info, const std::vector<int32_t>& enabledLogicalSlots) {
     rspInfo = info;
+    currentEnabledLogicalSlots = enabledLogicalSlots;
     parent_config.notify(info.serial);
     return ndk::ScopedAStatus::ok();
 }
diff --git a/radio/aidl/vts/radio_config_test.cpp b/radio/aidl/vts/radio_config_test.cpp
index f725136..6f18d18 100644
--- a/radio/aidl/vts/radio_config_test.cpp
+++ b/radio/aidl/vts/radio_config_test.cpp
@@ -150,10 +150,17 @@
     ALOGI("getSimultaneousCallingSupport, rspInfo.error = %s\n",
           toString(radioRsp_config->rspInfo.error).c_str());
 
+    // REQUEST_NOT_SUPPORTED is omitted here because users of the V3 HAL should implement this
+    // method and return at least an empty array
     ASSERT_TRUE(CheckAnyOfErrors(
             radioRsp_config->rspInfo.error,
             {RadioError::NONE, RadioError::RADIO_NOT_AVAILABLE, RadioError::INTERNAL_ERR,
-            RadioError::MODEM_ERR, RadioError::REQUEST_NOT_SUPPORTED}));
+            RadioError::MODEM_ERR}));
+
+    if (radioRsp_config->rspInfo.error == RadioError ::NONE) {
+        // The size of enabledLogicalSLots should be 0 or a positive number:
+        EXPECT_GE(radioRsp_config->currentEnabledLogicalSlots.size(), 0);
+    }
 }
 
 /*
diff --git a/radio/aidl/vts/radio_config_utils.h b/radio/aidl/vts/radio_config_utils.h
index 9e809ff..84c74fc 100644
--- a/radio/aidl/vts/radio_config_utils.h
+++ b/radio/aidl/vts/radio_config_utils.h
@@ -39,6 +39,7 @@
     PhoneCapability phoneCap;
     bool modemReducedFeatureSet1;
     std::vector<SimSlotStatus> simSlotStatus;
+    std::vector<int32_t> currentEnabledLogicalSlots;
 
     virtual ndk::ScopedAStatus getSimSlotsStatusResponse(
             const RadioResponseInfo& info, const std::vector<SimSlotStatus>& slotStatus) override;