From efa0fa985d6ee60ef00b3e14bca8c2a95ef8dc57 Mon Sep 17 00:00:00 2001
From: Sonalika Paul <quic_psonalik@quicinc.com>
Date: Tue, 25 Aug 2020 15:11:02 +0530
Subject: [PATCH] IMS: Add new carrier config.

Add new carrier config to determine
default RTT mode.

Bug: 130010750
Change-Id: Id8de3749a336144ce053151a74c42a113b925369
---
 .../android/telephony/CarrierConfigManager.java     | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 74b2aad5293e2..e3eb0b582b1c0 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -4076,6 +4076,18 @@ public class CarrierConfigManager {
     public static final String KEY_USE_LOWER_MTU_VALUE_IF_BOTH_RECEIVED =
             "use_lower_mtu_value_if_both_received";
 
+    /**
+     * Determines the default RTT mode.
+     *
+     * Upon first boot, when the user has not yet set a value for their preferred RTT mode,
+     * the value of this config will be sent to the IMS stack. Valid values are the same as for
+     * {@link Settings.Secure#RTT_CALLING_MODE}.
+     *
+     * @hide
+     */
+    public static final String KEY_DEFAULT_RTT_MODE_INT =
+            "default_rtt_mode_int";
+
     /**
      * Indicates if auto-configuration server is used for the RCS config
      * Reference: GSMA RCC.14
@@ -4628,6 +4640,7 @@ public class CarrierConfigManager {
         sDefaults.putString(KEY_CALL_COMPOSER_PICTURE_SERVER_URL_STRING, "");
         sDefaults.putBoolean(KEY_USE_LOWER_MTU_VALUE_IF_BOTH_RECEIVED, false);
         sDefaults.putBoolean(KEY_USE_ACS_FOR_RCS_BOOL, false);
+        sDefaults.putInt(KEY_DEFAULT_RTT_MODE_INT, 0);
     }
 
     /**