diff --git a/java/com/android/dialer/dialpadview/DialpadFragment.java b/java/com/android/dialer/dialpadview/DialpadFragment.java
index 2745a71..c45c776 100644
--- a/java/com/android/dialer/dialpadview/DialpadFragment.java
+++ b/java/com/android/dialer/dialpadview/DialpadFragment.java
@@ -470,11 +470,13 @@
     }
 
     if (shouldShowEmergencyCallWarning(getContext())) {
-      digitsHint.setText(
-          getContext().getString(R.string.dialpad_hint_emergency_calling_not_available));
+      String hint = getContext().getString(R.string.dialpad_hint_emergency_calling_not_available);
+      digits.setContentDescription(hint);
+      digitsHint.setText(hint);
       digitsHint.setVisibility(View.VISIBLE);
       return;
     }
+    digits.setContentDescription(null);
     digitsHint.setVisibility(View.GONE);
   }
 
diff --git a/java/com/android/dialer/dialpadview/res/values/strings.xml b/java/com/android/dialer/dialpadview/res/values/strings.xml
index eb5c04f..afa0237 100644
--- a/java/com/android/dialer/dialpadview/res/values/strings.xml
+++ b/java/com/android/dialer/dialpadview/res/values/strings.xml
@@ -97,9 +97,9 @@
        Ignored if empty. -->
   <string name="config_prohibited_phone_number_regexp" translatable="false"></string>
 
-  <!-- Warning hint shown in the dialpad input field when emergency call (911, etc.) cannot be made.
+  <!-- Warning hint shown in the dialpad input field when emergency call (911, etc.) cannot be made over wifi.
        [CHAR_LIMIT=60] -->
-  <string name="dialpad_hint_emergency_calling_not_available">Emergency calling not available</string>
+  <string name="dialpad_hint_emergency_calling_not_available">Can\'t make emergency calls over WiFi</string>
 
   <!-- Dialog message which is shown when the user tries to make a phone call
        to prohibited phone numbers [CHAR LIMIT=NONE] -->
diff --git a/java/com/android/dialer/precall/impl/CallingAccountSelector.java b/java/com/android/dialer/precall/impl/CallingAccountSelector.java
index 56b392b..16e7641 100644
--- a/java/com/android/dialer/precall/impl/CallingAccountSelector.java
+++ b/java/com/android/dialer/precall/impl/CallingAccountSelector.java
@@ -25,6 +25,7 @@
 import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
+import android.telephony.PhoneNumberUtils;
 import com.android.contacts.common.widget.SelectPhoneAccountDialogFragment;
 import com.android.contacts.common.widget.SelectPhoneAccountDialogFragment.SelectPhoneAccountListener;
 import com.android.dialer.callintent.CallIntentBuilder;
@@ -65,6 +66,10 @@
     if (builder.getPhoneAccountHandle() != null) {
       return false;
     }
+    if (PhoneNumberUtils.isEmergencyNumber(builder.getUri().getSchemeSpecificPart())) {
+      return false;
+    }
+
     TelecomManager telecomManager = context.getSystemService(TelecomManager.class);
     List<PhoneAccountHandle> accounts = telecomManager.getCallCapablePhoneAccounts();
     if (accounts.size() <= 1) {
diff --git a/java/com/android/incallui/CallButtonPresenter.java b/java/com/android/incallui/CallButtonPresenter.java
index a22a258..e30c70f 100644
--- a/java/com/android/incallui/CallButtonPresenter.java
+++ b/java/com/android/incallui/CallButtonPresenter.java
@@ -485,7 +485,8 @@
 
     otherAccount = TelecomUtil.getOtherAccount(getContext(), call.getAccountHandle());
     boolean showSwapSim =
-        otherAccount != null
+        !call.isEmergencyCall()
+            && otherAccount != null
             && !call.isVoiceMailNumber()
             && DialerCall.State.isDialing(call.getState())
             // Most devices cannot make calls on 2 SIMs at the same time.