diff --git a/src/com/android/services/telephony/CdmaConnection.java b/src/com/android/services/telephony/CdmaConnection.java
index 90e7663..c7b324d 100644
--- a/src/com/android/services/telephony/CdmaConnection.java
+++ b/src/com/android/services/telephony/CdmaConnection.java
@@ -16,11 +16,12 @@
 
 package com.android.services.telephony;
 
+import android.content.Context;
 import android.os.Handler;
 import android.os.Message;
 import android.provider.Settings;
 import android.telephony.DisconnectCause;
-import android.telephony.PhoneNumberUtils;
+import android.telephony.TelephonyManager;
 
 import com.android.internal.telephony.Call;
 import com.android.internal.telephony.CallStateException;
@@ -284,8 +285,14 @@
 
     private boolean isEmergency() {
         Phone phone = getPhone();
-        return phone != null && getAddress() != null && PhoneNumberUtils.isLocalEmergencyNumber(
-                phone.getContext(), getAddress().getSchemeSpecificPart());
+        if (phone != null && getAddress() != null) {
+            TelephonyManager tm = (TelephonyManager) phone.getContext()
+                    .getSystemService(Context.TELEPHONY_SERVICE);
+            if (tm != null) {
+                return tm.isEmergencyNumber(getAddress().getSchemeSpecificPart());
+            }
+        }
+        return false;
     }
 
     /**
diff --git a/src/com/android/services/telephony/TelephonyConnection.java b/src/com/android/services/telephony/TelephonyConnection.java
index 916b4ce..1caa8e7 100755
--- a/src/com/android/services/telephony/TelephonyConnection.java
+++ b/src/com/android/services/telephony/TelephonyConnection.java
@@ -1325,7 +1325,9 @@
                 setCallerDisplayName(name, namePresentation);
             }
 
-            if (PhoneNumberUtils.isEmergencyNumber(mOriginalConnection.getAddress())) {
+            TelephonyManager tm = (TelephonyManager) getPhone().getContext()
+                    .getSystemService(Context.TELEPHONY_SERVICE);
+            if (tm.isEmergencyNumber(mOriginalConnection.getAddress())) {
                 mTreatAsEmergencyCall = true;
             }
 
@@ -1388,7 +1390,9 @@
             mHandler.obtainMessage(MSG_CONNECTION_EXTRAS_CHANGED, connExtras == null ? null :
                     new Bundle(connExtras)).sendToTarget();
 
-        if (PhoneNumberUtils.isEmergencyNumber(mOriginalConnection.getAddress())) {
+        TelephonyManager tm = (TelephonyManager) getPhone().getContext()
+                .getSystemService(Context.TELEPHONY_SERVICE);
+        if (tm.isEmergencyNumber(mOriginalConnection.getAddress())) {
             mTreatAsEmergencyCall = true;
         }
         // Propagate VERSTAT for IMS calls.
diff --git a/tests/src/com/android/services/telephony/TestTelephonyConnection.java b/tests/src/com/android/services/telephony/TestTelephonyConnection.java
index 2635e60..67e0329 100644
--- a/tests/src/com/android/services/telephony/TestTelephonyConnection.java
+++ b/tests/src/com/android/services/telephony/TestTelephonyConnection.java
@@ -21,6 +21,7 @@
 import android.os.Bundle;
 import android.os.PersistableBundle;
 import android.telecom.PhoneAccountHandle;
+import android.telephony.TelephonyManager;
 
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
@@ -61,6 +62,9 @@
     Resources mMockResources;
 
     @Mock
+    TelephonyManager mMockTelephonyManager;
+
+    @Mock
     EmergencyNumberTracker mEmergencyNumberTracker;
 
     private Phone mMockPhone;
@@ -84,6 +88,7 @@
 
         mMockPhone = mock(Phone.class);
         mMockContext = mock(Context.class);
+        mMockTelephonyManager = mock(TelephonyManager.class);
         mOriginalConnection = mMockRadioConnection;
         // Set up mMockRadioConnection and mMockPhone to contain an active call
         when(mMockRadioConnection.getState()).thenReturn(Call.State.ACTIVE);
@@ -101,6 +106,8 @@
         when(mMockPhone.getContext()).thenReturn(mMockContext);
         when(mMockPhone.getCurrentSubscriberUris()).thenReturn(null);
         when(mMockContext.getResources()).thenReturn(mMockResources);
+        when(mMockContext.getSystemService(Context.TELEPHONY_SERVICE))
+                .thenReturn(mMockTelephonyManager);
         when(mMockResources.getBoolean(anyInt())).thenReturn(false);
         when(mMockPhone.getDefaultPhone()).thenReturn(mMockPhone);
         when(mMockPhone.getPhoneType()).thenReturn(PhoneConstants.PHONE_TYPE_IMS);