diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/CallActivity.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/CallActivity.kt
index c170b7d4..eadd11fb 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/CallActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/CallActivity.kt
@@ -13,5 +13,15 @@ class CallActivity : SimpleActivity() {
         setContentView(R.layout.activity_call)
 
         updateTextColors(call_holder)
+        initButtons()
+    }
+
+    private fun initButtons() {
+        call_decline.setOnClickListener { }
+        call_accept.setOnClickListener { }
+
+        call_toggle_microphone.setOnClickListener { }
+        call_toggle_speaker.setOnClickListener { }
+        call_dialpad.setOnClickListener { }
     }
 }
diff --git a/app/src/main/res/drawable/ic_microphone_vector.xml b/app/src/main/res/drawable/ic_microphone_vector.xml
new file mode 100644
index 00000000..9b829a30
--- /dev/null
+++ b/app/src/main/res/drawable/ic_microphone_vector.xml
@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="18dp"
+    android:height="18dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#ffffff"
+        android:pathData="m12,14c1.66,0 2.99,-1.34 2.99,-3L15,5C15,3.34 13.66,2 12,2 10.34,2 9,3.34 9,5l0,6c0,1.66 1.34,3 3,3zM17.3,11c0,3 -2.54,5.1 -5.3,5.1C9.24,16.1 6.7,14 6.7,11L5,11c0,3.41 2.72,6.23 6,6.72l0,3.2123 2,0L13,17.72c3.28,-0.48 6,-3.3 6,-6.72z" />
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#ffffff"
+        android:fillType="nonZero"
+        android:pathData="M5,11.0547a0.8516,0.9245 0,1 0,1.7031 0a0.8516,0.9245 0,1 0,-1.7031 0z"
+        android:strokeAlpha="1"
+        android:strokeColor="#00000000" />
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#ffffff"
+        android:fillType="nonZero"
+        android:pathData="M17.293,11a0.8516,0.9245 0,1 0,1.7031 0a0.8516,0.9245 0,1 0,-1.7031 0z"
+        android:strokeAlpha="1"
+        android:strokeColor="#00000000" />
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#ffffff"
+        android:fillType="nonZero"
+        android:pathData="M10.9992,20.9539a1,0.9245 0,1 0,2 0a1,0.9245 0,1 0,-2 0z"
+        android:strokeAlpha="1"
+        android:strokeColor="#00000000" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_speaker_off_vector.xml b/app/src/main/res/drawable/ic_speaker_off_vector.xml
new file mode 100644
index 00000000..17adb3f9
--- /dev/null
+++ b/app/src/main/res/drawable/ic_speaker_off_vector.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M16.5,12c0,-1.77 -1.02,-3.29 -2.5,-4.03v2.21l2.45,2.45c0.03,-0.2 0.05,-0.41 0.05,-0.63zM19,12c0,0.94 -0.2,1.82 -0.54,2.64l1.51,1.51C20.63,14.91 21,13.5 21,12c0,-4.28 -2.99,-7.86 -7,-8.77v2.06c2.89,0.86 5,3.54 5,6.71zM4.27,3L3,4.27 7.73,9L3,9v6h4l5,5v-6.73l4.25,4.25c-0.67,0.52 -1.42,0.93 -2.25,1.18v2.06c1.38,-0.31 2.63,-0.95 3.69,-1.81L19.73,21 21,19.73l-9,-9L4.27,3zM12,4L9.91,6.09 12,8.18L12,4z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_speaker_on_vector.xml b/app/src/main/res/drawable/ic_speaker_on_vector.xml
new file mode 100644
index 00000000..bc7422fc
--- /dev/null
+++ b/app/src/main/res/drawable/ic_speaker_on_vector.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M3,9v6h4l5,5L12,4L7,9L3,9zM16.5,12c0,-1.77 -1.02,-3.29 -2.5,-4.03v8.05c1.48,-0.73 2.5,-2.25 2.5,-4.02zM14,3.23v2.06c2.89,0.86 5,3.54 5,6.71s-2.11,5.85 -5,6.71v2.06c4.01,-0.91 7,-4.49 7,-8.77s-2.99,-7.86 -7,-8.77z" />
+</vector>
diff --git a/app/src/main/res/layout/activity_call.xml b/app/src/main/res/layout/activity_call.xml
index 09c6b5a9..4da2af3c 100644
--- a/app/src/main/res/layout/activity_call.xml
+++ b/app/src/main/res/layout/activity_call.xml
@@ -6,45 +6,94 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+    <ImageView
+        android:id="@+id/caller_avatar"
+        android:layout_width="@dimen/incoming_call_button_size"
+        android:layout_height="@dimen/incoming_call_button_size"
+        android:contentDescription="@string/accept"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.2"
+        tools:src="@drawable/ic_call_accept" />
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/caller_name_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/normal_margin"
+        android:textSize="@dimen/caller_name_text_size"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/caller_avatar"
+        tools:text="Caller name" />
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/caller_number_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/medium_margin"
+        android:alpha="0.8"
+        android:textSize="@dimen/caller_number_text_size"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/caller_name_label"
+        tools:text="123 456 789" />
+
     <androidx.constraintlayout.widget.ConstraintLayout
-        android:id="@+id/incoming_call_holder"
+        android:id="@+id/ongoing_call_holder"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
         <ImageView
-            android:id="@+id/caller_avatar"
-            android:layout_width="@dimen/incoming_call_button_size"
-            android:layout_height="@dimen/incoming_call_button_size"
-            android:contentDescription="@string/accept"
+            android:id="@+id/call_toggle_microphone"
+            android:layout_width="@dimen/dialpad_button_size"
+            android:layout_height="@dimen/dialpad_button_size"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:padding="@dimen/medium_margin"
+            android:src="@drawable/ic_microphone_vector"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.15"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.75" />
+
+        <ImageView
+            android:id="@+id/call_toggle_speaker"
+            android:layout_width="@dimen/dialpad_button_size"
+            android:layout_height="@dimen/dialpad_button_size"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:padding="@dimen/medium_margin"
+            android:src="@drawable/ic_speaker_on_vector"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintVertical_bias="0.2"
-            tools:src="@drawable/ic_call_accept" />
+            app:layout_constraintVertical_bias="0.75" />
 
-        <com.simplemobiletools.commons.views.MyTextView
-            android:id="@+id/caller_name_label"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/normal_margin"
-            android:textSize="@dimen/caller_name_text_size"
+        <ImageView
+            android:id="@+id/call_dialpad"
+            android:layout_width="@dimen/dialpad_button_size"
+            android:layout_height="@dimen/dialpad_button_size"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:padding="@dimen/medium_margin"
+            android:src="@drawable/ic_dialpad_vector"
+            app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.85"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/caller_avatar"
-            tools:text="Caller name" />
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.75" />
 
-        <com.simplemobiletools.commons.views.MyTextView
-            android:id="@+id/caller_number_label"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/medium_margin"
-            android:alpha="0.8"
-            android:textSize="@dimen/caller_number_text_size"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/caller_name_label"
-            tools:text="123 456 789" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/incoming_call_holder"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone">
 
         <ImageView
             android:id="@+id/call_decline"