diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index aee92e80..6a0934d2 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -6,6 +6,7 @@
     android:installLocation="auto">
 
     <uses-permission android:name="android.permission.CALL_PHONE"/>
+    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
     <uses-permission android:name="android.permission.READ_CONTACTS"/>
     <uses-permission android:name="android.permission.WRITE_CONTACTS"/>
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
@@ -216,6 +217,15 @@
                 android:resource="@xml/provider_paths"/>
         </provider>
 
+        <service
+            android:name=".helpers.MyConnectionService"
+            android:label="SimpleContacts ConnectionService"
+            android:permission="android.permission.BIND_TELECOM_CONNECTION_SERVICE">
+            <intent-filter>
+                <action android:name="android.telecom.ConnectionService"/>
+            </intent-filter>
+        </service>
+
         <activity-alias
             android:name=".activities.SplashActivity.Red"
             android:enabled="false"
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/DialpadActivity.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/DialpadActivity.kt
index 9ede79a6..d9e3d4ee 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/DialpadActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/DialpadActivity.kt
@@ -23,6 +23,7 @@ import kotlinx.android.synthetic.main.activity_dialpad.*
 
 class DialpadActivity : SimpleActivity() {
     var contacts = ArrayList<Contact>()
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_dialpad)
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/pro/helpers/MyConnectionService.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/helpers/MyConnectionService.kt
new file mode 100644
index 00000000..466b2a9f
--- /dev/null
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/helpers/MyConnectionService.kt
@@ -0,0 +1,10 @@
+package com.simplemobiletools.contacts.pro.helpers
+
+import android.annotation.TargetApi
+import android.os.Build
+import android.telecom.ConnectionService
+
+@TargetApi(Build.VERSION_CODES.M)
+class MyConnectionService : ConnectionService() {
+
+}
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/pro/helpers/MyPhoneStateListener.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/helpers/MyPhoneStateListener.kt
new file mode 100644
index 00000000..cd8bbb1d
--- /dev/null
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/helpers/MyPhoneStateListener.kt
@@ -0,0 +1,18 @@
+package com.simplemobiletools.contacts.pro.helpers
+
+import android.telephony.PhoneStateListener
+import android.telephony.TelephonyManager
+
+class MyPhoneStateListener : PhoneStateListener() {
+    override fun onCallStateChanged(state: Int, phoneNumber: String?) {
+        super.onCallStateChanged(state, phoneNumber)
+        when (state) {
+            TelephonyManager.CALL_STATE_IDLE -> {
+            }
+            TelephonyManager.CALL_STATE_RINGING -> {
+            }
+            TelephonyManager.CALL_STATE_OFFHOOK -> {
+            }
+        }
+    }
+}