diff --git a/res/values/config.xml b/res/values/config.xml
index 1b612c9..855fa92 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -241,4 +241,10 @@
 
     <!-- Whether the cellular radio is allowed to be power down when the Bluetooth can provide the data/call capabilities -->
     <bool name="config_allowRadioPowerDownOnBluetooth">false</bool>
+
+    <!-- Whether the device supports the AudioManager Telephony audio device and output onto this
+         device using {@link AudioDeviceInfo#TYPE_TELEPHONY}.
+         When this is true, the Telephony stack is able to add additional audio to the outgoing
+         audio stream which the remote party will be able to hear. -->
+    <bool name="config_support_telephony_audio_device">false</bool>
 </resources>
diff --git a/src/com/android/services/telephony/TelecomAccountRegistry.java b/src/com/android/services/telephony/TelecomAccountRegistry.java
index 3f21d17..17c6049 100644
--- a/src/com/android/services/telephony/TelecomAccountRegistry.java
+++ b/src/com/android/services/telephony/TelecomAccountRegistry.java
@@ -227,6 +227,13 @@
                         isHandoverFromSupported);
             }
 
+            final boolean isTelephonyAudioDeviceSupported = mContext.getResources().getBoolean(
+                    R.bool.config_support_telephony_audio_device);
+            if (isTelephonyAudioDeviceSupported && !isEmergency
+                    && isCarrierUseCallRecordingTone()) {
+                extras.putBoolean(PhoneAccount.EXTRA_PLAY_CALL_RECORDING_TONE, true);
+            }
+
             boolean isDeviceRttSupported = mContext.getResources().getBoolean(
                     R.bool.config_support_rtt);
             if (isDeviceRttSupported && isCarrierRttSupported()) {
@@ -444,6 +451,18 @@
         }
 
         /**
+         * Determines from carrier config whether the carrier requires the use of a call recording
+         * tone.
+         *
+         * @return {@code true} if a call recording tone should be used, {@code false} otherwise.
+         */
+        private boolean isCarrierUseCallRecordingTone() {
+            PersistableBundle b =
+                    PhoneGlobals.getInstance().getCarrierConfigForSubId(mPhone.getSubId());
+            return b.getBoolean(CarrierConfigManager.KEY_PLAY_CALL_RECORDING_TONE_BOOL);
+        }
+
+        /**
          * Where a device supports instant lettering and call subjects, retrieves the necessary
          * PhoneAccount extras for those features.
          * @return The {@link PhoneAccount} extras associated with the current subscription.