diff --git a/src/com/android/settings/AirplaneModeEnabler.java b/src/com/android/settings/AirplaneModeEnabler.java
index f3fd3a0..c233dda 100644
--- a/src/com/android/settings/AirplaneModeEnabler.java
+++ b/src/com/android/settings/AirplaneModeEnabler.java
@@ -29,6 +29,7 @@
 
 import androidx.annotation.VisibleForTesting;
 
+import com.android.internal.telephony.flags.Flags;
 import com.android.settings.network.GlobalSettingsChangeListener;
 import com.android.settings.network.ProxySubscriptionManager;
 import com.android.settings.overlay.FeatureFactory;
@@ -146,8 +147,19 @@
      * @return any subscription within device is under ECM mode
      */
     public boolean isInEcmMode() {
-        if (mTelephonyManager.getEmergencyCallbackMode()) {
-            return true;
+        if (Flags.enforceTelephonyFeatureMappingForPublicApis()) {
+            try {
+                if (mTelephonyManager.getEmergencyCallbackMode()) {
+                    return true;
+                }
+            } catch (UnsupportedOperationException e) {
+                // Device doesn't support FEATURE_TELEPHONY_CALLING
+                // Ignore exception, device is not in ECM mode.
+            }
+        } else {
+            if (mTelephonyManager.getEmergencyCallbackMode()) {
+                return true;
+            }
         }
         final List<SubscriptionInfo> subInfoList =
                 ProxySubscriptionManager.getInstance(mContext).getActiveSubscriptionsInfo();
@@ -158,8 +170,18 @@
             final TelephonyManager telephonyManager =
                     mTelephonyManager.createForSubscriptionId(subInfo.getSubscriptionId());
             if (telephonyManager != null) {
-                if (telephonyManager.getEmergencyCallbackMode()) {
-                    return true;
+                if (!Flags.enforceTelephonyFeatureMappingForPublicApis()) {
+                    if (telephonyManager.getEmergencyCallbackMode()) {
+                        return true;
+                    }
+                } else {
+                    try {
+                        if (telephonyManager.getEmergencyCallbackMode()) {
+                            return true;
+                        }
+                    } catch (UnsupportedOperationException e) {
+                        // Ignore exception, device is not in ECM mode.
+                    }
                 }
             }
         }
diff --git a/src/com/android/settings/accessibility/HearingAidCompatibilityPreferenceController.java b/src/com/android/settings/accessibility/HearingAidCompatibilityPreferenceController.java
index cd2f6f0..727cdd5 100644
--- a/src/com/android/settings/accessibility/HearingAidCompatibilityPreferenceController.java
+++ b/src/com/android/settings/accessibility/HearingAidCompatibilityPreferenceController.java
@@ -22,6 +22,7 @@
 import android.telephony.TelephonyManager;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.telephony.flags.Flags;
 import com.android.settings.R;
 import com.android.settings.core.TogglePreferenceController;
 
@@ -49,8 +50,18 @@
 
     @Override
     public int getAvailabilityStatus() {
-        return mTelephonyManager.isHearingAidCompatibilitySupported() ? AVAILABLE
-                : UNSUPPORTED_ON_DEVICE;
+        if (Flags.enforceTelephonyFeatureMappingForPublicApis()) {
+            try {
+                return mTelephonyManager.isHearingAidCompatibilitySupported() ? AVAILABLE
+                        : UNSUPPORTED_ON_DEVICE;
+            } catch (UnsupportedOperationException e) {
+                // Device doesn't support FEATURE_TELEPHONY_CALLING
+                return UNSUPPORTED_ON_DEVICE;
+            }
+        } else {
+            return mTelephonyManager.isHearingAidCompatibilitySupported() ? AVAILABLE
+                    : UNSUPPORTED_ON_DEVICE;
+        }
     }
 
     @Override
diff --git a/src/com/android/settings/network/telephony/EnabledNetworkModePreferenceController.java b/src/com/android/settings/network/telephony/EnabledNetworkModePreferenceController.java
index 5e1d56e..56fbcde 100644
--- a/src/com/android/settings/network/telephony/EnabledNetworkModePreferenceController.java
+++ b/src/com/android/settings/network/telephony/EnabledNetworkModePreferenceController.java
@@ -38,8 +38,8 @@
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
-import com.android.settings.R;
 import com.android.internal.telephony.flags.Flags;
+import com.android.settings.R;
 import com.android.settings.network.AllowedNetworkTypesListener;
 import com.android.settings.network.CarrierConfigCache;
 import com.android.settings.network.SubscriptionsChangeListener;
@@ -924,7 +924,16 @@
 
             // assign current call state so that it helps to show correct preference state even
             // before first onCallStateChanged() by initial registration.
-            mCallState = mTelephonyManager.getCallState(subId);
+            if (Flags.enforceTelephonyFeatureMappingForPublicApis()) {
+                try {
+                    mCallState = mTelephonyManager.getCallState(subId);
+                } catch (UnsupportedOperationException e) {
+                    // Device doesn't support FEATURE_TELEPHONY_CALLING
+                    mCallState = TelephonyManager.CALL_STATE_IDLE;
+                }
+            } else {
+                mCallState = mTelephonyManager.getCallState(subId);
+            }
             mTelephonyManager.registerTelephonyCallback(
                     mContext.getMainExecutor(), mTelephonyCallback);
         }
diff --git a/src/com/android/settings/network/telephony/Enhanced4gBasePreferenceController.java b/src/com/android/settings/network/telephony/Enhanced4gBasePreferenceController.java
index 1b6f516..1a71e5a 100644
--- a/src/com/android/settings/network/telephony/Enhanced4gBasePreferenceController.java
+++ b/src/com/android/settings/network/telephony/Enhanced4gBasePreferenceController.java
@@ -33,6 +33,7 @@
 import androidx.preference.PreferenceScreen;
 import androidx.preference.TwoStatePreference;
 
+import com.android.internal.telephony.flags.Flags;
 import com.android.internal.telephony.util.ArrayUtils;
 import com.android.settings.R;
 import com.android.settings.network.ims.VolteQueryImsState;
@@ -234,7 +235,16 @@
             }
             // assign current call state so that it helps to show correct preference state even
             // before first onCallStateChanged() by initial registration.
-            mCallState = mTelephonyManager.getCallState(subId);
+            if (Flags.enforceTelephonyFeatureMappingForPublicApis()) {
+                try {
+                    mCallState = mTelephonyManager.getCallState(subId);
+                } catch (UnsupportedOperationException e) {
+                    // Device doesn't support FEATURE_TELEPHONY_CALLING
+                    mCallState = TelephonyManager.CALL_STATE_IDLE;
+                }
+            } else {
+                mCallState = mTelephonyManager.getCallState(subId);
+            }
             mTelephonyManager.registerTelephonyCallback(
                     mContext.getMainExecutor(), mTelephonyCallback);
 
diff --git a/src/com/android/settings/network/telephony/NrAdvancedCallingPreferenceController.java b/src/com/android/settings/network/telephony/NrAdvancedCallingPreferenceController.java
index dc1c03f..ecf01cb9 100644
--- a/src/com/android/settings/network/telephony/NrAdvancedCallingPreferenceController.java
+++ b/src/com/android/settings/network/telephony/NrAdvancedCallingPreferenceController.java
@@ -31,6 +31,7 @@
 import androidx.preference.PreferenceScreen;
 import androidx.preference.TwoStatePreference;
 
+import com.android.internal.telephony.flags.Flags;
 import com.android.internal.telephony.util.ArrayUtils;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
 import com.android.settingslib.core.lifecycle.events.OnStart;
@@ -211,7 +212,16 @@
 
             // assign current call state so that it helps to show correct preference state even
             // before first onCallStateChanged() by initial registration.
-            mCallState = mLocalTelephonyManager.getCallState();
+            if (Flags.enforceTelephonyFeatureMappingForPublicApis()) {
+                try {
+                    mCallState = mLocalTelephonyManager.getCallState();
+                } catch (UnsupportedOperationException e) {
+                    // Device doesn't support FEATURE_TELEPHONY_CALLING
+                    mCallState = TelephonyManager.CALL_STATE_IDLE;
+                }
+            } else {
+                mCallState = mLocalTelephonyManager.getCallState();
+            }
             mLocalTelephonyManager.registerTelephonyCallback(
                     mContext.getMainExecutor(), mTelephonyCallback);
         }
diff --git a/src/com/android/settings/network/telephony/VideoCallingPreferenceController.java b/src/com/android/settings/network/telephony/VideoCallingPreferenceController.java
index 5810510..f803efd 100644
--- a/src/com/android/settings/network/telephony/VideoCallingPreferenceController.java
+++ b/src/com/android/settings/network/telephony/VideoCallingPreferenceController.java
@@ -31,6 +31,7 @@
 import androidx.preference.PreferenceScreen;
 import androidx.preference.TwoStatePreference;
 
+import com.android.internal.telephony.flags.Flags;
 import com.android.settings.network.CarrierConfigCache;
 import com.android.settings.network.MobileDataEnabledListener;
 import com.android.settings.network.ims.VolteQueryImsState;
@@ -195,7 +196,16 @@
             }
             // assign current call state so that it helps to show correct preference state even
             // before first onCallStateChanged() by initial registration.
-            mCallState = mTelephonyManager.getCallState(subId);
+            if (Flags.enforceTelephonyFeatureMappingForPublicApis()) {
+                try {
+                    mCallState = mTelephonyManager.getCallState(subId);
+                } catch (UnsupportedOperationException e) {
+                    // Device doesn't support FEATURE_TELEPHONY_CALLING
+                    mCallState = TelephonyManager.CALL_STATE_IDLE;
+                }
+            } else {
+                mCallState = mTelephonyManager.getCallState(subId);
+            }
             mTelephonyManager.registerTelephonyCallback(context.getMainExecutor(), this);
         }