diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index dc161e9f..4f0468b7 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -412,14 +412,6 @@
     <!-- Flag specifying whether or not IMS will use the dynamic ImsResolver -->
     <bool name="config_dynamic_bind_ims">true</bool>
 
-    <!-- ImsService package name to bind to by default. If none is specified in an overlay, an
-         empty string is passed in -->
-    <string name="config_ims_package">org.codeaurora.ims</string>
-
-    <!-- IWLAN data service package name to bind to by default. If none is specified in an overlay, an
-         empty string is passed in -->
-    <string name="config_wlan_data_service_package">vendor.qti.iwlan</string>
-
     <!-- IWLAN network service package name to bind to by default. If none is specified in an overlay, an
          empty string is passed in -->
     <string name="config_wlan_network_service_package">vendor.qti.iwlan</string>
diff --git a/overlay/packages/services/Telephony/res/values/config.xml b/overlay/packages/services/Telephony/res/values/config.xml
new file mode 100644
index 00000000..453b9479
--- /dev/null
+++ b/overlay/packages/services/Telephony/res/values/config.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2009 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<!-- NOTE: Many variables that used to be in this file have been migrated to
+     CarrierConfigManager.java. Please consider whether new variables belong
+     there before adding to this file. Variables here should be more closely
+     related to devices than to networks. -->
+
+<!-- Phone app resources that may need to be customized
+     for different hardware or product builds. -->
+<resources>
+    <!-- String indicating the package name of the device ImsService implementation for MMTEL. -->
+    <string name="config_ims_mmtel_package">org.codeaurora.ims</string>
+
+    <!-- String indicating the package name of the device ImsService implementation for RCS. -->
+    <string name="config_ims_rcs_package">com.android.service.ims</string>
+</resources>