diff --git a/app/src/main/kotlin/com/simplemobiletools/dialer/activities/CallActivity.kt b/app/src/main/kotlin/com/simplemobiletools/dialer/activities/CallActivity.kt
index 0293bf4f..4703ccca 100644
--- a/app/src/main/kotlin/com/simplemobiletools/dialer/activities/CallActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/dialer/activities/CallActivity.kt
@@ -320,7 +320,7 @@ class CallActivity : SimpleActivity() {
 
     private fun toggleHold() {
         val isOnHold = CallManager.toggleHold()
-        val drawable = if (isOnHold) R.drawable.ic_call_vector else R.drawable.ic_pause_vector
+        val drawable = if (isOnHold) R.drawable.ic_phone_vector else R.drawable.ic_pause_inset
         call_toggle_hold.setImageDrawable(getDrawable(drawable))
         call_toggle_hold.contentDescription = getString(if (isOnHold) R.string.resume_call else R.string.hold_call)
         hold_status_label.beVisibleIf(isOnHold)
@@ -393,6 +393,10 @@ class CallActivity : SimpleActivity() {
         if (statusTextId != 0) {
             call_status_label.text = getString(statusTextId)
         }
+
+        val isActiveCall = state == Call.STATE_ACTIVE || state == Call.STATE_HOLDING
+        call_toggle_hold.isEnabled = isActiveCall
+        call_toggle_hold.alpha = if (isActiveCall) 1.0f else 0.5f
     }
 
     private fun acceptCall() {
diff --git a/app/src/main/res/drawable/ic_call_vector.xml b/app/src/main/res/drawable/ic_call_vector.xml
deleted file mode 100644
index 2aba8add..00000000
--- a/app/src/main/res/drawable/ic_call_vector.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<vector android:height="24dp" android:tint="#FFFFFF"
-    android:viewportHeight="24" android:viewportWidth="24"
-    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="@android:color/white" android:pathData="M20.01,15.38c-1.23,0 -2.42,-0.2 -3.53,-0.56 -0.35,-0.12 -0.74,-0.03 -1.01,0.24l-1.57,1.97c-2.83,-1.35 -5.48,-3.9 -6.89,-6.83l1.95,-1.66c0.27,-0.28 0.35,-0.67 0.24,-1.02 -0.37,-1.11 -0.56,-2.3 -0.56,-3.53 0,-0.54 -0.45,-0.99 -0.99,-0.99H4.19C3.65,3 3,3.24 3,3.99 3,13.28 10.73,21 20.01,21c0.71,0 0.99,-0.63 0.99,-1.18v-3.45c0,-0.54 -0.45,-0.99 -0.99,-0.99z"/>
-</vector>
diff --git a/app/src/main/res/drawable/ic_pause_inset.xml b/app/src/main/res/drawable/ic_pause_inset.xml
new file mode 100644
index 00000000..2bb9cabe
--- /dev/null
+++ b/app/src/main/res/drawable/ic_pause_inset.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+    android:drawable="@drawable/ic_pause_vector"
+    android:insetLeft="4dp"
+    android:insetTop="4dp"
+    android:insetRight="4dp"
+    android:insetBottom="4dp" />
diff --git a/app/src/main/res/layout/activity_call.xml b/app/src/main/res/layout/activity_call.xml
index 452d1038..f7b11b25 100644
--- a/app/src/main/res/layout/activity_call.xml
+++ b/app/src/main/res/layout/activity_call.xml
@@ -117,8 +117,7 @@
             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_constraintEnd_toStartOf="@+id/call_toggle_speaker"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintVertical_bias="0.6" />
@@ -131,8 +130,8 @@
             android:padding="@dimen/medium_margin"
             android:src="@drawable/ic_speaker_off_vector"
             app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toStartOf="@+id/call_dialpad"
+            app:layout_constraintStart_toEndOf="@+id/call_toggle_microphone"
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintVertical_bias="0.6" />
 
@@ -146,8 +145,7 @@
             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_constraintStart_toEndOf="@+id/call_toggle_speaker"
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintVertical_bias="0.6" />
 
@@ -158,8 +156,8 @@
             android:layout_marginTop="@dimen/bigger_margin"
             android:background="?attr/selectableItemBackgroundBorderless"
             android:padding="@dimen/medium_margin"
-            android:src="@drawable/ic_pause_vector"
-            app:layout_constraintEnd_toStartOf="@+id/call_conference"
+            android:src="@drawable/ic_pause_inset"
+            app:layout_constraintEnd_toStartOf="@id/call_conference"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/call_toggle_speaker" />