diff --git a/res/values/strings.xml b/res/values/strings.xml
index 0e1faa49..a8094124 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1,221 +1,223 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
     <string name="pref_plugin_telephony">Telephony notifier</string>
     <string name="pref_plugin_telephony_desc">Send notifications for SMS and calls</string>
     <string name="pref_plugin_battery">Battery report</string>
     <string name="pref_plugin_battery_desc">Periodically report battery status</string>
     <string name="pref_plugin_sftp">Filesystem expose</string>
     <string name="pref_plugin_sftp_desc">Allows to browse this device\'s filesystem remotely</string>
     <string name="pref_plugin_clipboard">Clipboard sync</string>
     <string name="pref_plugin_clipboard_desc">Share the clipboard content</string>
     <string name="pref_plugin_mousepad">Remote input</string>
     <string name="pref_plugin_mousepad_desc">Use your phone or tablet as a touchpad and keyboard</string>
     <string name="pref_plugin_remotekeyboard">Receive remote keypresses</string>
     <string name="pref_plugin_remotekeyboard_desc">Receive keypress events from remote devices</string>
     <string name="pref_plugin_mpris">Multimedia controls</string>
     <string name="pref_plugin_mpris_desc">Provides a remote control for your media player</string>
     <string name="pref_plugin_runcommand">Run Command</string>
     <string name="pref_plugin_runcommand_desc">Trigger remote commands from your phone or tablet</string>
     <string name="pref_plugin_ping">Ping</string>
     <string name="pref_plugin_ping_desc">Send and receive pings</string>
     <string name="pref_plugin_notifications">Notification sync</string>
     <string name="pref_plugin_notifications_desc">Access your notifications from other devices</string>
     <string name="pref_plugin_receive_notifications">Receive notifications</string>
     <string name="pref_plugin_receive_notifications_desc">Receive notifications from the other device and display them on Android</string>
     <string name="pref_plugin_sharereceiver">Share and receive</string>
     <string name="pref_plugin_sharereceiver_desc">Share files and URLs between devices</string>
     <string name="plugin_not_available">This feature is not available in your Android version</string>
     <string name="device_list_empty">No devices</string>
     <string name="ok">OK</string>
     <string name="cancel">Cancel</string>
     <string name="open_settings">Open settings</string>
     <string name="no_permissions">You need to grant permission to access notifications</string>
     <string name="send_ping">Send ping</string>
     <string name="open_mpris_controls">Multimedia control</string>
     <string name="remotekeyboard_editing_only" translatable="false">remotekeyboard_editing_only</string>
     <string name="remotekeyboard_editing_only_title" translatable="true">Handle remote keys only when editing</string>
     <string name="remotekeyboard_not_connected" translatable="true">There is no active remote keyboard connection, establish one in kdeconnect</string>
     <string name="remotekeyboard_connected" translatable="true">Remote keyboard connection is active</string>
     <string name="remotekeyboard_multiple_connections" translatable="true">There is more than one remote keyboard connection, select the device to configure</string>
     <string name="open_mousepad">Remote input</string>
     <string name="mousepad_info">Move a finger on the screen to move the mouse cursor. Tap for a click, and use two/three fingers for right and middle buttons. Use 2 fingers to scroll. Use a long press to drag\'n drop.</string>
     <string name="mousepad_double_tap_settings_title">Set two finger tap action</string>
     <string name="mousepad_triple_tap_settings_title">Set three finger tap action</string>
     <string name="mousepad_sensitivity_settings_title">Set touchpad sensitivity</string>
     <string name="mousepad_double_tap_key" translatable="false">mousepad_double_tap_key</string>
     <string name="mousepad_triple_tap_key" translatable="false">mousepad_triple_tap_key</string>
     <string name="mousepad_sensitivity_key" translatable="false">mousepad_sensitivity_key</string>
     <string name="mousepad_scroll_direction_title">Reverse Scrolling Direction</string>
     <string name="mousepad_scroll_direction" translatable="false">mousepad_scroll_direction</string>
     <string-array name="mousepad_tap_entries">
         <item>Right click</item>
         <item>Middle click</item>
         <item>Nothing</item>
     </string-array>
     <string name="mousepad_default_double" translatable="false">right</string>
     <string name="mousepad_default_triple" translatable="false">middle</string>
     <string name="mousepad_default_sensitivity" translatable="false">default</string>
     <string-array name="mousepad_tap_values" translatable="false">
         <item>right</item>
         <item>middle</item>
         <item>none</item>
     </string-array>
     <string-array name="mousepad_sensitivity_entries">
         <item>Slowest</item>
         <item>Above Slowest</item>
         <item>Default</item>
         <item>Above Default</item>
         <item>Fastest</item>
     </string-array>
     <string-array name="mousepad_sensitivity_values" translatable="false">
         <item>slowest</item>
         <item>aboveSlowest</item>
         <item>default</item>
         <item>aboveDefault</item>
         <item>fastest</item>
     </string-array>
     <string name="category_connected_devices">Connected devices</string>
     <string name="category_not_paired_devices">Available devices</string>
     <string name="category_remembered_devices">Remembered devices</string>
     <string name="plugins_failed_to_load">Plugins failed to load (tap for more info):</string>
     <string name="device_menu_plugins">Plugin settings</string>
     <string name="device_menu_unpair">Unpair</string>
     <string name="device_not_reachable">Paired device not reachable</string>
     <string name="pair_new_device">Pair new device</string>
     <string name="unknown_device">Unknown device</string>
     <string name="error_not_reachable">Device not reachable</string>
     <string name="error_already_requested">Pairing already requested</string>
     <string name="error_already_paired">Device already paired</string>
     <string name="error_could_not_send_package">Could not send package</string>
     <string name="error_timed_out">Timed out</string>
     <string name="error_canceled_by_user">Canceled by user</string>
     <string name="error_canceled_by_other_peer">Canceled by other peer</string>
     <string name="error_invalid_key">Invalid key received</string>
     <string name="encryption_info_title">Encryption Info</string>
     <string name="encryption_info_msg_no_ssl">The other device doesn\'t use a recent version of KDE Connect, using the legacy encryption method.</string>
     <string name="my_device_fingerprint">SHA1 fingerprint of your device certificate is:</string>
     <string name="remote_device_fingerprint">SHA1 fingerprint of remote device certificate is:</string>
     <string name="pair_requested">Pair requested</string>
     <string name="pairing_request_from">Pairing request from %1s</string>
     <string name="received_url_title">Received link from %1s</string>
     <string name="received_url_text">Tap to open \'%1s\'</string>
     <string name="incoming_file_title">Incoming file from %1s</string>
     <string name="incoming_file_text">%1s</string>
     <string name="outgoing_file_title">Sending file to %1s</string>
     <string name="outgoing_files_title">Sending files to %1s</string>
     <string name="outgoing_file_text">%1s</string>
     <string name="outgoing_files_text">Sent %1$d out of %2$d files</string>
     <string name="received_file_title">Received file from %1s</string>
     <string name="received_file_fail_title">Failed receiving file from %1s</string>
     <string name="received_file_text">Tap to open \'%1s\'</string>
     <string name="sent_file_title">Sent file to %1s</string>
     <string name="sent_file_text">%1s</string>
     <string name="sent_file_failed_title">Failed to send file to %1s</string>
     <string name="sent_file_failed_text">%1s</string>
     <string name="tap_to_answer">Tap to answer</string>
     <string name="reconnect">Reconnect</string>
     <string name="right_click">Send Right Click</string>
     <string name="middle_click">Send Middle Click</string>
     <string name="show_keyboard">Show Keyboard</string>
     <string name="device_not_paired">Device not paired</string>
     <string name="request_pairing">Request pairing</string>
     <string name="pairing_accept">Accept</string>
     <string name="pairing_reject">Reject</string>
     <string name="device">Device</string>
     <string name="pair_device">Pair device</string>
     <string name="remote_control">Remote control</string>
     <string name="settings">KDE Connect Settings</string>
     <string name="mpris_play">Play</string>
     <string name="mpris_previous">Previous</string>
     <string name="mpris_rew">Rewind</string>
     <string name="mpris_ff">Fast-forward</string>
     <string name="mpris_next">Next</string>
     <string name="mpris_volume">Volume</string>
     <string name="mpris_settings">Multimedia Settings</string>
     <string name="mpris_time_settings_title">Forward/rewind buttons</string>
     <string name="mpris_time_settings_summary">Adjust the time to fast forward/rewind when pressed.</string>
     <string name="mpris_time_key" translatable="false">mpris_interval_time</string>
     <string-array name="mpris_time_entries">
         <item>10 seconds</item>
         <item>20 seconds</item>
         <item>30 seconds</item>
         <item>1 minute</item>
         <item>2 minutes</item>
     </string-array>
     <string name="mpris_time_default" translatable="false">10000000</string>
     <string-array name="mpris_time_entries_values" translatable="false">
         <item>10000000</item>
         <item>20000000</item>
         <item>30000000</item>
         <item>60000000</item>
         <item>120000000</item>
     </string-array>
     <string name="share_to">Share To...</string>
     <string name="protocol_version_older">This device uses an old protocol version</string>
     <string name="protocol_version_newer">This device uses a newer protocol version</string>
     <string name="general_settings">General Settings</string>
     <string name="plugin_settings">Settings</string>
     <string name="plugin_settings_with_name">%s settings</string>
     <string name="device_name">Device name</string>
     <string name="device_name_preference_summary">%s</string>
     <string name="invalid_device_name">Invalid device name</string>
     <string name="shareplugin_text_saved">Received text, saved to clipboard</string>
     <string name="custom_devices_settings">Custom device list</string>
     <string name="pair_device_action">Pair a new device</string>
     <string name="unpair_device_action">Unpair %s</string>
     <string name="custom_device_list">Add devices by IP</string>
     <string name="share_notification_preference">Noisy notifications</string>
     <string name="share_notification_preference_summary">Vibrate and play a sound when receiving a file</string>
     <string name="share_destination_customize">Customize destination directory</string>
     <string name="share_destination_customize_summary_disabled">Received files will appear in Downloads</string>
     <string name="share_destination_customize_summary_enabled">Files will be stored in the directory below</string>
     <string name="share_destination_folder_preference">Destination directory</string>
     <string name="title_activity_notification_filter">Notification filter</string>
     <string name="filter_apps_info">Notifications will be synchronized for the selected apps.</string>
     <string name="sftp_internal_storage">Internal storage</string>
     <string name="sftp_all_files">All files</string>
     <string name="sftp_sdcard_num">SD card %d</string>
     <string name="sftp_sdcard">SD card</string>
     <string name="sftp_readonly">(read only)</string>
     <string name="sftp_camera">Camera pictures</string>
     <string name="add_host">Add host/IP</string>
     <string name="add_host_hint">Hostname or IP</string>
     <string name="no_players_connected">No players found</string>
     <string name="custom_dev_list_help">Use this option only if your device is not automatically detected. Enter IP address or hostname below and touch the button to add it to the list. Touch an existing item to remove it from the list.</string>
     <string name="mpris_player_on_device">%1$s on %2$s</string>
     <string name="send_files">Send files</string>
 
     <string name="pairing_title">KDE Connect Devices</string>
     <string name="pairing_description">Other devices running KDE Connect in your same network should appear here.</string>
     <string name="device_paired">Device paired</string>
     <string name="device_rename_title">Rename device</string>
     <string name="device_rename_confirm">Rename</string>
     <string name="refresh">Refresh</string>
     <string name="unreachable_description">This paired device is not reachable. Make sure it is connected to your same network.</string>
     <string name="on_data_message">It looks like you are on a mobile data connection. KDE Connect only works on local networks.</string>
     <string name="no_file_browser">There are no file browsers installed.</string>
     <string name="pref_plugin_telepathy">Send SMS</string>
     <string name="pref_plugin_telepathy_desc">Send text messages from your desktop</string>
     <string name="plugin_not_supported">This plugin is not supported by the device</string>
     <string name="findmyphone_title">Find my phone</string>
     <string name="findmyphone_title_tablet">Find my tablet</string>
     <string name="findmyphone_description">Rings this device so you can find it</string>
     <string name="findmyphone_found">Found</string>
 
     <string name="open">Open</string>
     <string name="close">Close</string>
 
     <string name="no_permissions_storage">You need to grant permissions to access the storage</string>
     <string name="plugins_need_permission">Some Plugins need permissions to work (tap for more info):</string>
     <string name="permission_explanation">This plugin needs permissions to work</string>
     <string name="optional_permission_explanation">You need to grant extra permissions to enable all functions</string>
     <string name="plugins_need_optional_permission">Some plugins have features disabled because of lack of permission (tap for more info):</string>
     <string name="sftp_permission_explanation">To access your files from your PC the app needs permission to access your phone\'s storage</string>
     <string name="share_optional_permission_explanation">To share files between your phone and your desktop you need to give access to the phone\'s storage</string>
     <string name="telepathy_permission_explanation">To read and write SMS from your desktop you need to give permission to SMS</string>
     <string name="telephony_permission_explanation">To see phone calls and SMS from the desktop you need to give permission to phone calls and SMS</string>
     <string name="telephony_optional_permission_explanation">To see a contact name instead of a phone number you need to give access to the phone\'s contacts</string>
     <string name="select_ringtone">Select a ringtone</string>
+    <string name="telephony_pref_blocked_title">Blocked numbers</string>
+    <string name="telephony_pref_blocked_dialog_desc">Don\'t show calls and SMS from these numbers. Please specify one number per line</string>
 
 </resources>
diff --git a/res/xml/telephonyplugin_preferences.xml b/res/xml/telephonyplugin_preferences.xml
new file mode 100644
index 00000000..102ac9df
--- /dev/null
+++ b/res/xml/telephonyplugin_preferences.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <EditTextPreference
+        android:key="telephony_blocked_numbers"
+        android:title="@string/telephony_pref_blocked_title"
+        android:dialogMessage="@string/telephony_pref_blocked_dialog_desc">
+    </EditTextPreference>
+
+</PreferenceScreen>
\ No newline at end of file
diff --git a/src/org/kde/kdeconnect/Plugins/TelephonyPlugin/TelephonyPlugin.java b/src/org/kde/kdeconnect/Plugins/TelephonyPlugin/TelephonyPlugin.java
index 140543c9..f62c9bb6 100644
--- a/src/org/kde/kdeconnect/Plugins/TelephonyPlugin/TelephonyPlugin.java
+++ b/src/org/kde/kdeconnect/Plugins/TelephonyPlugin/TelephonyPlugin.java
@@ -1,311 +1,338 @@
 /*
  * Copyright 2014 Albert Vaca Cintora <albertvaka@gmail.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation; either version 2 of
  * the License or (at your option) version 3 or any later version
  * accepted by the membership of KDE e.V. (or its successor approved
  * by the membership of KDE e.V.), which shall act as a proxy
  * defined in Section 14 of version 3 of the license.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>. 
 */
 
 package org.kde.kdeconnect.Plugins.TelephonyPlugin;
 
 import android.Manifest;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.media.AudioManager;
 import android.os.Build;
 import android.os.Bundle;
+import android.preference.PreferenceManager;
 import android.support.v4.content.ContextCompat;
+import android.telephony.PhoneNumberUtils;
 import android.telephony.SmsMessage;
 import android.telephony.TelephonyManager;
 import android.util.Log;
 
 import org.kde.kdeconnect.Helpers.ContactsHelper;
 import org.kde.kdeconnect.NetworkPackage;
 import org.kde.kdeconnect.Plugins.Plugin;
 import org.kde.kdeconnect_tp.BuildConfig;
 import org.kde.kdeconnect_tp.R;
 
 import java.util.ArrayList;
 import java.util.Map;
 import java.util.Timer;
 import java.util.TimerTask;
 
 public class TelephonyPlugin extends Plugin {
 
     private final static String PACKAGE_TYPE_TELEPHONY = "kdeconnect.telephony";
     public final static String PACKAGE_TYPE_TELEPHONY_REQUEST = "kdeconnect.telephony.request";
+    private static final String KEY_PREF_BLOCKED_NUMBERS = "telephony_blocked_numbers";
 
     private int lastState = TelephonyManager.CALL_STATE_IDLE;
     private NetworkPackage lastPackage = null;
     private boolean isMuted = false;
 
     private final BroadcastReceiver receiver = new BroadcastReceiver() {
         @Override
         public void onReceive(Context context, Intent intent) {
 
             String action = intent.getAction();
 
             //Log.e("TelephonyPlugin","Telephony event: " + action);
 
             if ("android.provider.Telephony.SMS_RECEIVED".equals(action)) {
 
                 final Bundle bundle = intent.getExtras();
                 if (bundle == null) return;
                 final Object[] pdus = (Object[]) bundle.get("pdus");
                 ArrayList<SmsMessage> messages = new ArrayList<>();
 
                 for (Object pdu : pdus) {
                     // I hope, but am not sure, that the pdus array is in the order that the parts
                     // of the SMS message should be
                     // If it is not, I believe the pdu contains the information necessary to put it
                     // in order, but in my testing the order seems to be correct, so I won't worry
                     // about it now.
                     messages.add(SmsMessage.createFromPdu((byte[]) pdu));
                 }
 
                 smsBroadcastReceived(messages);
 
             } else if (TelephonyManager.ACTION_PHONE_STATE_CHANGED.equals(action)) {
 
                 String state = intent.getStringExtra(TelephonyManager.EXTRA_STATE);
                 int intState = TelephonyManager.CALL_STATE_IDLE;
                 if (state.equals(TelephonyManager.EXTRA_STATE_RINGING))
                     intState = TelephonyManager.CALL_STATE_RINGING;
                 else if (state.equals(TelephonyManager.EXTRA_STATE_OFFHOOK))
                     intState = TelephonyManager.CALL_STATE_OFFHOOK;
 
                 String number = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
                 if (number == null)
                     number = intent.getStringExtra(TelephonyManager.EXTRA_INCOMING_NUMBER);
 
                 final int finalIntState = intState;
                 final String finalNumber = number;
 
                 callBroadcastReceived(finalIntState, finalNumber);
 
             }
         }
     };
 
     @Override
     public String getDisplayName() {
         return context.getResources().getString(R.string.pref_plugin_telephony);
     }
 
     @Override
     public String getDescription() {
         return context.getResources().getString(R.string.pref_plugin_telephony_desc);
     }
 
     private void callBroadcastReceived(int state, String phoneNumber) {
 
+        if (isNumberBlocked(phoneNumber))
+            return;
+
         NetworkPackage np = new NetworkPackage(PACKAGE_TYPE_TELEPHONY);
 
         int permissionCheck = ContextCompat.checkSelfPermission(context,
                 Manifest.permission.READ_CONTACTS);
 
         if (permissionCheck == PackageManager.PERMISSION_GRANTED) {
 
             Map<String, String> contactInfo = ContactsHelper.phoneNumberLookup(context, phoneNumber);
 
             if (contactInfo.containsKey("name")) {
                 np.set("contactName", contactInfo.get("name"));
             }
 
             if (contactInfo.containsKey("photoID")) {
                 String photoUri = contactInfo.get("photoID");
                 if (photoUri != null) {
                     try {
                         String base64photo = ContactsHelper.photoId64Encoded(context, photoUri);
                         if (base64photo != null && !base64photo.isEmpty()) {
                             np.set("phoneThumbnail", base64photo);
                         }
                     } catch (Exception e) {
                         Log.e("TelephonyPlugin", "Failed to get contact photo");
                     }
                 }
 
             }
 
         } else {
             np.set("contactName", phoneNumber);
         }
 
         if (phoneNumber != null) {
             np.set("phoneNumber", phoneNumber);
         }
 
         switch (state) {
             case TelephonyManager.CALL_STATE_RINGING:
                 if (isMuted) {
                     AudioManager am = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
                     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                         am.setStreamVolume(AudioManager.STREAM_RING, AudioManager.ADJUST_UNMUTE, 0);
                     } else {
                         am.setStreamMute(AudioManager.STREAM_RING, false);
                     }
                     isMuted = false;
                 }
                 np.set("event", "ringing");
                 device.sendPackage(np);
                 break;
 
             case TelephonyManager.CALL_STATE_OFFHOOK: //Ongoing call
                 np.set("event", "talking");
                 device.sendPackage(np);
                 break;
 
             case TelephonyManager.CALL_STATE_IDLE:
 
                 if (lastState != TelephonyManager.CALL_STATE_IDLE && lastPackage != null) {
 
                     //Resend a cancel of the last event (can either be "ringing" or "talking")
                     lastPackage.set("isCancel", "true");
                     device.sendPackage(lastPackage);
 
                     if (isMuted) {
                         Timer timer = new Timer();
                         timer.schedule(new TimerTask() {
                             @Override
                             public void run() {
                                 if (isMuted) {
                                     AudioManager am = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
                                     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                                         am.setStreamVolume(AudioManager.STREAM_RING, AudioManager.ADJUST_UNMUTE, 0);
                                     } else {
                                         am.setStreamMute(AudioManager.STREAM_RING, false);
                                     }
                                     isMuted = false;
                                 }
                             }
                         }, 500);
                     }
 
                     //Emit a missed call notification if needed
                     if (lastState == TelephonyManager.CALL_STATE_RINGING) {
                         np.set("event", "missedCall");
                         np.set("phoneNumber", lastPackage.getString("phoneNumber", null));
                         np.set("contactName", lastPackage.getString("contactName", null));
                         device.sendPackage(np);
                     }
 
                 }
 
                 break;
 
         }
 
         lastPackage = np;
         lastState = state;
     }
 
     private void smsBroadcastReceived(ArrayList<SmsMessage> messages) {
 
         if (BuildConfig.DEBUG) {
             if (!(messages.size() > 0)) {
                 throw new AssertionError("This method requires at least one message");
             }
         }
 
         NetworkPackage np = new NetworkPackage(PACKAGE_TYPE_TELEPHONY);
 
         np.set("event", "sms");
 
         StringBuilder messageBody = new StringBuilder();
         for (int index = 0; index < messages.size(); index++) {
             messageBody.append(messages.get(index).getMessageBody());
         }
         np.set("messageBody", messageBody.toString());
 
         String phoneNumber = messages.get(0).getOriginatingAddress();
 
+        if (isNumberBlocked(phoneNumber))
+            return;
+
         int permissionCheck = ContextCompat.checkSelfPermission(context,
                 Manifest.permission.READ_CONTACTS);
 
         if (permissionCheck == PackageManager.PERMISSION_GRANTED) {
             Map<String, String> contactInfo = ContactsHelper.phoneNumberLookup(context, phoneNumber);
 
             if (contactInfo.containsKey("name")) {
                 np.set("contactName", contactInfo.get("name"));
             }
 
             if (contactInfo.containsKey("photoID")) {
                 np.set("phoneThumbnail", ContactsHelper.photoId64Encoded(context, contactInfo.get("photoID")));
             }
         }
         if (phoneNumber != null) {
             np.set("phoneNumber", phoneNumber);
         }
 
 
         device.sendPackage(np);
     }
 
     @Override
     public boolean onCreate() {
         IntentFilter filter = new IntentFilter("android.provider.Telephony.SMS_RECEIVED");
         filter.setPriority(500);
         filter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED);
         context.registerReceiver(receiver, filter);
         permissionExplanation = R.string.telephony_permission_explanation;
         optionalPermissionExplanation = R.string.telephony_optional_permission_explanation;
         return true;
     }
 
     @Override
     public void onDestroy() {
         context.unregisterReceiver(receiver);
     }
 
     @Override
     public boolean onPackageReceived(NetworkPackage np) {
         if (np.getString("action").equals("mute")) {
             if (!isMuted) {
                 AudioManager am = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                     am.setStreamVolume(AudioManager.STREAM_RING, AudioManager.ADJUST_MUTE, 0);
                 } else {
                     am.setStreamMute(AudioManager.STREAM_RING, true);
                 }
                 isMuted = true;
             }
         }
         //Do nothing
         return true;
     }
 
+    private boolean isNumberBlocked(String number) {
+        SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(context);
+        String[] blockedNumbers = sharedPref.getString(KEY_PREF_BLOCKED_NUMBERS, "").split("\n");
+
+        for (String s: blockedNumbers) {
+            if (PhoneNumberUtils.compare(number, s))
+                return true;
+        }
+
+        return false;
+    }
+
     @Override
     public String[] getSupportedPackageTypes() {
         return new String[]{PACKAGE_TYPE_TELEPHONY_REQUEST};
     }
 
     @Override
     public String[] getOutgoingPackageTypes() {
         return new String[]{PACKAGE_TYPE_TELEPHONY};
     }
 
     @Override
     public String[] getRequiredPermissions() {
         return new String[]{Manifest.permission.READ_PHONE_STATE, Manifest.permission.READ_SMS};
     }
 
     @Override
     public String[] getOptionalPermissions() {
         return new String[]{Manifest.permission.READ_CONTACTS};
     }
+
+    @Override
+    public boolean hasSettings() {
+        return true;
+    }
 }