Add carrier config for auto redialing 911

Bug: 111235453
Test: manual (modify IMS stack locally to always return the 380 error
when dialing in airplane mode)

Change-Id: I029d2227ce62bb11fa91e9d5338a667d6e3dd59b

1 files changed, 10 insertions, 0 deletions

diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index e09c5a31559c..ad6f386343d8 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -1482,6 +1482,15 @@ public class CarrierConfigManager {
             "always_play_remote_hold_tone_bool";
 
     /**
+     * When true, the Telephony stack will automatically turn off airplane mode and retry a wifi
+     * emergency call over the cell network if the initial attempt at dialing was met with a SIP 308
+     * error.
+     * @hide
+     */
+    public static final String KEY_AUTO_RETRY_FAILED_WIFI_EMERGENCY_CALL =
+            "auto_retry_failed_wifi_emergency_call";
+
+    /**
      * When true, indicates that adding a call is disabled when there is an ongoing video call
      * or when there is an ongoing call on wifi which was downgraded from video and VoWifi is
      * turned off.
@@ -2009,6 +2018,7 @@ public class CarrierConfigManager {
         sDefaults.putBoolean(KEY_ALLOW_HOLD_IN_IMS_CALL_BOOL, true);
         sDefaults.putBoolean(KEY_CARRIER_ALLOW_DEFLECT_IMS_CALL_BOOL, false);
         sDefaults.putBoolean(KEY_ALWAYS_PLAY_REMOTE_HOLD_TONE_BOOL, false);
+        sDefaults.putBoolean(KEY_AUTO_RETRY_FAILED_WIFI_EMERGENCY_CALL, false);
         sDefaults.putBoolean(KEY_ADDITIONAL_CALL_SETTING_BOOL, true);
         sDefaults.putBoolean(KEY_ALLOW_EMERGENCY_NUMBERS_IN_CALL_LOG_BOOL, false);
         sDefaults.putBoolean(KEY_ALLOW_LOCAL_DTMF_TONES_BOOL, true);