diff --git a/api/current.txt b/api/current.txt
index a42d85a65ebfc..363ce8238f947 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -43996,6 +43996,7 @@ package android.telephony {
 
   public class CarrierConfigManager {
     method @Nullable public android.os.PersistableBundle getConfig();
+    method @Nullable public android.os.PersistableBundle getConfigByComponentForSubId(String, int);
     method @Nullable public android.os.PersistableBundle getConfigForSubId(int);
     method public static boolean isConfigForIdentifiedCarrier(android.os.PersistableBundle);
     method public void notifyConfigChangedForSubId(int);
@@ -44173,6 +44174,10 @@ package android.telephony {
     field public static final String KEY_WORLD_PHONE_BOOL = "world_phone_bool";
   }
 
+  public static final class CarrierConfigManager.Ims {
+    field public static final String KEY_PREFIX = "ims.";
+  }
+
   public abstract class CellIdentity implements android.os.Parcelable {
     method public int describeContents();
     method @Nullable public CharSequence getOperatorAlphaLong();
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 91bea5ff479be..4016c5c6c6f3d 100755
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -3028,6 +3028,23 @@ public class CarrierConfigManager {
     public static final String KEY_IS_OPPORTUNISTIC_SUBSCRIPTION_BOOL =
             "is_opportunistic_subscription_bool";
 
+    /**
+     * Configs used by the IMS stack.
+     */
+    public static final class Ims {
+        /** Prefix of all Ims.KEY_* constants. */
+        public static final String KEY_PREFIX = "ims.";
+
+        //TODO: Add configs related to IMS.
+
+        private Ims() {}
+
+        private static PersistableBundle getDefaults() {
+            PersistableBundle defaults = new PersistableBundle();
+            return defaults;
+        }
+    }
+
     /**
      * A list of 4 GSM RSSI thresholds above which a signal level is considered POOR,
      * MODERATE, GOOD, or EXCELLENT, to be used in SignalStrength reporting.
@@ -3463,6 +3480,7 @@ public class CarrierConfigManager {
                         -89,  /* SIGNAL_STRENGTH_GREAT */
                 });
         sDefaults.putBoolean(KEY_SUPPORT_WPS_OVER_IMS_BOOL, true);
+        sDefaults.putAll(Ims.getDefaults());
     }
 
     /**
@@ -3659,4 +3677,75 @@ public class CarrierConfigManager {
         return ICarrierConfigLoader.Stub
                 .asInterface(ServiceManager.getService(Context.CARRIER_CONFIG_SERVICE));
     }
+
+    /**
+     * Gets the configuration values for a component using its prefix.
+     *
+     * <p>Requires Permission:
+     * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
+     *
+     * @param prefix prefix of the component.
+     * @param subId the subscription ID, normally obtained from {@link SubscriptionManager}.
+     *
+     * @see #getConfigForSubId
+     */
+    @Nullable
+    public PersistableBundle getConfigByComponentForSubId(String prefix, int subId) {
+        PersistableBundle configs = getConfigForSubId(subId);
+
+        if (configs == null) {
+            return null;
+        }
+
+        PersistableBundle ret = new PersistableBundle();
+        for (String configKey : configs.keySet()) {
+            if (configKey.startsWith(prefix)) {
+                addConfig(configKey, configs.get(configKey), ret);
+            }
+        }
+
+        return ret;
+    }
+
+    private void addConfig(String key, Object value, PersistableBundle configs) {
+        if (value instanceof String) {
+            configs.putString(key, (String) value);
+        }
+
+        if (value instanceof String[]) {
+            configs.putStringArray(key, (String[]) value);
+        }
+
+        if (value instanceof Integer) {
+            configs.putInt(key, (Integer) value);
+        }
+
+        if (value instanceof Long) {
+            configs.putLong(key, (Long) value);
+        }
+
+        if (value instanceof Double) {
+            configs.putDouble(key, (Double) value);
+        }
+
+        if (value instanceof Boolean) {
+            configs.putBoolean(key, (Boolean) value);
+        }
+
+        if (value instanceof int[]) {
+            configs.putIntArray(key, (int[]) value);
+        }
+
+        if (value instanceof double[]) {
+            configs.putDoubleArray(key, (double[]) value);
+        }
+
+        if (value instanceof boolean[]) {
+            configs.putBooleanArray(key, (boolean[]) value);
+        }
+
+        if (value instanceof long[]) {
+            configs.putLongArray(key, (long[]) value);
+        }
+    }
 }
diff --git a/telephony/java/android/telephony/ims/aidl/IImsConfig.aidl b/telephony/java/android/telephony/ims/aidl/IImsConfig.aidl
index 4433c1c03c1fc..53e4596979582 100644
--- a/telephony/java/android/telephony/ims/aidl/IImsConfig.aidl
+++ b/telephony/java/android/telephony/ims/aidl/IImsConfig.aidl
@@ -17,6 +17,8 @@
 
 package android.telephony.ims.aidl;
 
+import android.os.PersistableBundle;
+
 import android.telephony.ims.aidl.IImsConfigCallback;
 
 import com.android.ims.ImsConfigListener;
@@ -37,4 +39,5 @@ interface IImsConfig {
     int setConfigInt(int item, int value);
     // Return result code defined in ImsConfig#OperationStatusConstants
     int setConfigString(int item, String value);
+    void updateImsCarrierConfigs(in PersistableBundle bundle);
 }
diff --git a/telephony/java/android/telephony/ims/stub/ImsConfigImplBase.java b/telephony/java/android/telephony/ims/stub/ImsConfigImplBase.java
index 321bfff406521..91b0a43844c99 100644
--- a/telephony/java/android/telephony/ims/stub/ImsConfigImplBase.java
+++ b/telephony/java/android/telephony/ims/stub/ImsConfigImplBase.java
@@ -19,6 +19,7 @@ package android.telephony.ims.stub;
 import android.annotation.IntDef;
 import android.annotation.SystemApi;
 import android.content.Context;
+import android.os.PersistableBundle;
 import android.os.RemoteCallbackList;
 import android.os.RemoteException;
 import android.telephony.ims.aidl.IImsConfig;
@@ -182,6 +183,11 @@ public class ImsConfigImplBase {
             return retVal;
         }
 
+        @Override
+        public void updateImsCarrierConfigs(PersistableBundle bundle) throws RemoteException {
+            getImsConfigImpl().updateImsCarrierConfigs(bundle);
+        }
+
         private ImsConfigImplBase getImsConfigImpl() throws RemoteException {
             ImsConfigImplBase ref = mImsConfigImplBaseWeakReference.get();
             if (ref == null) {
@@ -387,4 +393,11 @@ public class ImsConfigImplBase {
         // Base Implementation - To be overridden.
         return null;
     }
+
+    /**
+     * @hide
+     */
+    public void updateImsCarrierConfigs(PersistableBundle bundle) {
+        // Base Implementation - Should be overridden
+    }
 }