diff --git a/api/current.txt b/api/current.txt
index 9df1023c9b645..5c0628c40d648 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -36444,6 +36444,7 @@ package android.telephony {
     field public static final java.lang.String KEY_DEFAULT_SIM_CALL_MANAGER_STRING = "default_sim_call_manager_string";
     field public static final java.lang.String KEY_DISABLE_CDMA_ACTIVATION_CODE_BOOL = "disable_cdma_activation_code_bool";
     field public static final java.lang.String KEY_DTMF_TYPE_ENABLED_BOOL = "dtmf_type_enabled_bool";
+    field public static final java.lang.String KEY_DURATION_BLOCKING_DISABLED_AFTER_EMERGENCY_INT = "duration_blocking_disabled_after_emergency_int";
     field public static final java.lang.String KEY_EDITABLE_ENHANCED_4G_LTE_BOOL = "editable_enhanced_4g_lte_bool";
     field public static final java.lang.String KEY_ENABLE_DIALER_KEY_VIBRATION_BOOL = "enable_dialer_key_vibration_bool";
     field public static final java.lang.String KEY_FORCE_HOME_NETWORK_BOOL = "force_home_network_bool";
diff --git a/api/system-current.txt b/api/system-current.txt
index 03167f6653a9b..2adb1e61afdf0 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -39059,6 +39059,7 @@ package android.telephony {
     field public static final java.lang.String KEY_DEFAULT_SIM_CALL_MANAGER_STRING = "default_sim_call_manager_string";
     field public static final java.lang.String KEY_DISABLE_CDMA_ACTIVATION_CODE_BOOL = "disable_cdma_activation_code_bool";
     field public static final java.lang.String KEY_DTMF_TYPE_ENABLED_BOOL = "dtmf_type_enabled_bool";
+    field public static final java.lang.String KEY_DURATION_BLOCKING_DISABLED_AFTER_EMERGENCY_INT = "duration_blocking_disabled_after_emergency_int";
     field public static final java.lang.String KEY_EDITABLE_ENHANCED_4G_LTE_BOOL = "editable_enhanced_4g_lte_bool";
     field public static final java.lang.String KEY_ENABLE_DIALER_KEY_VIBRATION_BOOL = "enable_dialer_key_vibration_bool";
     field public static final java.lang.String KEY_FORCE_HOME_NETWORK_BOOL = "force_home_network_bool";
diff --git a/api/test-current.txt b/api/test-current.txt
index d6175af1007a9..7abc6d43cd902 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -36459,6 +36459,7 @@ package android.telephony {
     field public static final java.lang.String KEY_DEFAULT_SIM_CALL_MANAGER_STRING = "default_sim_call_manager_string";
     field public static final java.lang.String KEY_DISABLE_CDMA_ACTIVATION_CODE_BOOL = "disable_cdma_activation_code_bool";
     field public static final java.lang.String KEY_DTMF_TYPE_ENABLED_BOOL = "dtmf_type_enabled_bool";
+    field public static final java.lang.String KEY_DURATION_BLOCKING_DISABLED_AFTER_EMERGENCY_INT = "duration_blocking_disabled_after_emergency_int";
     field public static final java.lang.String KEY_EDITABLE_ENHANCED_4G_LTE_BOOL = "editable_enhanced_4g_lte_bool";
     field public static final java.lang.String KEY_ENABLE_DIALER_KEY_VIBRATION_BOOL = "enable_dialer_key_vibration_bool";
     field public static final java.lang.String KEY_FORCE_HOME_NETWORK_BOOL = "force_home_network_bool";
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 4368b81b7b060..3ad7d34f6ff1e 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -591,6 +591,14 @@ public class CarrierConfigManager {
     @SystemApi
     public static final String KEY_USE_RCS_PRESENCE_BOOL = "use_rcs_presence_bool";
 
+    /**
+     * The duration in seconds that platform call and message blocking is disabled after the user
+     * contacts emergency services. Platform considers values in the range 0 to 604800 (one week) as
+     * valid. See {@link android.provider.BlockedNumberContract#isBlocked(Context, String)}).
+     */
+    public static final String KEY_DURATION_BLOCKING_DISABLED_AFTER_EMERGENCY_INT =
+            "duration_blocking_disabled_after_emergency_int";
+
     /** The default value for every variable. */
     private final static PersistableBundle sDefaults;
 
@@ -660,6 +668,7 @@ public class CarrierConfigManager {
                 "max_retries=3, 5000, 5000, 5000");
         sDefaults.putLong(KEY_CARRIER_DATA_CALL_APN_DELAY_DEFAULT_LONG, 20000);
         sDefaults.putLong(KEY_CARRIER_DATA_CALL_APN_DELAY_FASTER_LONG, 3000);
+        sDefaults.putInt(KEY_DURATION_BLOCKING_DISABLED_AFTER_EMERGENCY_INT, 7200);
 
         sDefaults.putStringArray(KEY_GSM_ROAMING_NETWORKS_STRING_ARRAY, null);
         sDefaults.putStringArray(KEY_GSM_NONROAMING_NETWORKS_STRING_ARRAY, null);