diff --git a/res/values-hu/strings.xml b/res/values-hu/strings.xml
index 218db6a..26d0c42 100644
--- a/res/values-hu/strings.xml
+++ b/res/values-hu/strings.xml
@@ -38,7 +38,7 @@
     <string name="respond_via_sms_edittext_dialog_title" msgid="20379890418289778">"Gyors válasz"</string>
     <string name="respond_via_sms_confirmation_format" msgid="7229149977515784269">"Üzenet elküldve ide: <xliff:g id="PHONE_NUMBER">%s</xliff:g>."</string>
     <string name="enable_account_preference_title" msgid="2021848090086481720">"Telefonos fiókok"</string>
-    <string name="outgoing_call_not_allowed_user_restriction" msgid="6872406278300131364">"Csak vészhívás engedélyezett."</string>
+    <string name="outgoing_call_not_allowed_user_restriction" msgid="6872406278300131364">"Csak segélyhívás engedélyezett."</string>
     <string name="outgoing_call_not_allowed_no_permission" msgid="1996571596464271228">"Az alkalmazásból nem lehet kimenő hívást kezdeményezni a Telefon (Phone) engedély nélkül."</string>
     <string name="outgoing_call_error_no_phone_number_supplied" msgid="1940125199802007505">"Hívásindításhoz adjon meg egy érvényes számot."</string>
     <string name="duplicate_video_call_not_allowed" msgid="3749211605014548386">"Jelenleg nem lehet videohívást hozzáadni."</string>
diff --git a/res/values-uz/strings.xml b/res/values-uz/strings.xml
index d789e31..714ddc9 100644
--- a/res/values-uz/strings.xml
+++ b/res/values-uz/strings.xml
@@ -50,7 +50,7 @@
     <string name="change_default_dialer_dialog_negative" msgid="9078144617060173845">"Bekor qilish"</string>
     <string name="change_default_dialer_warning_message" msgid="1417671460801684999">"<xliff:g id="NEW_APP">%s</xliff:g> ilovasi qo‘ng‘iroq qilishga yodam beradi va qo‘ng‘iroqlarga tegishli boshqa barcha parametrlarni boshqaradi. Qo‘ng‘iroqlar uchun faqat ishonarli ilovani asosiy ilova qilib o‘rnatish lozim."</string>
     <string name="blocked_numbers" msgid="2751843139572970579">"Bloklangan raqamlar"</string>
-    <string name="blocked_numbers_msg" msgid="1045015186124965643">"Bloklangan raqamlardan keladigan chaqiruv yoki SMS xabarlar qabul qilinmaydi."</string>
+    <string name="blocked_numbers_msg" msgid="1045015186124965643">"Bloklangan telefon raqamlaridan chaqiruv yoki matnli xabarlar qabul qilib bo‘lmaydi."</string>
     <string name="block_number" msgid="1101252256321306179">"Biror raqamni bloklash"</string>
     <string name="unblock_dialog_body" msgid="1614238499771862793">"<xliff:g id="NUMBER_TO_BLOCK">%1$s</xliff:g> raqami blokdan chiqarilsinmi?"</string>
     <string name="unblock_button" msgid="3078048901972674170">"Blokdan chiqarish"</string>
diff --git a/src/com/android/server/telecom/Ringer.java b/src/com/android/server/telecom/Ringer.java
index d955227..36bb4ed 100644
--- a/src/com/android/server/telecom/Ringer.java
+++ b/src/com/android/server/telecom/Ringer.java
@@ -19,6 +19,7 @@
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.content.Context;
+import android.os.VibrationEffect;
 import android.telecom.Log;
 import android.media.AudioAttributes;
 import android.media.AudioManager;
@@ -33,20 +34,30 @@
  */
 @VisibleForTesting
 public class Ringer {
-    private static final long[] VIBRATION_PATTERN = new long[] {
-        0, // No delay before starting
-        1000, // How long to vibrate
-        1000, // How long to wait before vibrating again
-    };
+    VibrationEffect mVibrationEffect;
+
+    private static final long[] PULSE_PATTERN = {0,12,250,12,500, // priming  + interval
+            50,50,50,50,50,50,50,50,50,50,50,50,50,50, // ease-in
+            300, // Peak
+            1000}; // pause before repetition
+
+    private static final int[] PULSE_AMPLITUDE = {0,255,0,255,0, // priming  + interval
+            77,77,78,79,81,84,87,93,101,114,133,162,205,255, // ease-in (min amplitude = 30%)
+            255, // Peak
+            0}; // pause before repetition
+
+    /**
+     * Indicates that vibration should be repeated at element 5 in the {@link #PULSE_AMPLITUDE} and
+     * {@link #PULSE_PATTERN} arrays.  This means repetition will happen for the main ease-in/peak
+     * pattern, but the priming + interval part will not be repeated.
+     */
+    private static final int REPEAT_VIBRATION_AT = 5;
 
     private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
             .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
             .setUsage(AudioAttributes.USAGE_NOTIFICATION_RINGTONE)
             .build();
 
-    /** Indicate that we want the pattern to repeat at the step which turns on vibration. */
-    private static final int VIBRATION_PATTERN_REPEAT = 1;
-
     /**
      * Used to keep ordering of unanswered incoming calls. There can easily exist multiple incoming
      * calls and explicit ordering is useful for maintaining the proper state of the ringer.
@@ -95,6 +106,9 @@
         mRingtonePlayer = asyncRingtonePlayer;
         mRingtoneFactory = ringtoneFactory;
         mInCallController = inCallController;
+
+        mVibrationEffect = VibrationEffect.createWaveform(PULSE_PATTERN, PULSE_AMPLITUDE,
+                REPEAT_VIBRATION_AT);
     }
 
     public boolean startRinging(Call foregroundCall, boolean isHfpDeviceAttached) {
@@ -151,8 +165,7 @@
 
         if (shouldVibrate(mContext, foregroundCall) && !mIsVibrating && shouldRingForContact) {
             mVibratingCall = foregroundCall;
-            mVibrator.vibrate(VIBRATION_PATTERN, VIBRATION_PATTERN_REPEAT,
-                    VIBRATION_ATTRIBUTES);
+            mVibrator.vibrate(mVibrationEffect, VIBRATION_ATTRIBUTES);
             mIsVibrating = true;
         } else if (mIsVibrating) {
             Log.addEvent(foregroundCall, LogUtils.Events.SKIP_VIBRATION, "already vibrating");