diff --git a/app/src/main/kotlin/com/simplemobiletools/dialer/activities/DialpadActivity.kt b/app/src/main/kotlin/com/simplemobiletools/dialer/activities/DialpadActivity.kt
index 2a966aec..f721619b 100644
--- a/app/src/main/kotlin/com/simplemobiletools/dialer/activities/DialpadActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/dialer/activities/DialpadActivity.kt
@@ -20,10 +20,7 @@ import com.simplemobiletools.commons.helpers.*
 import com.simplemobiletools.commons.models.SimpleContact
 import com.simplemobiletools.dialer.R
 import com.simplemobiletools.dialer.adapters.ContactsAdapter
-import com.simplemobiletools.dialer.extensions.addCharacter
-import com.simplemobiletools.dialer.extensions.config
-import com.simplemobiletools.dialer.extensions.getKeyEvent
-import com.simplemobiletools.dialer.extensions.startCallIntent
+import com.simplemobiletools.dialer.extensions.*
 import com.simplemobiletools.dialer.models.SpeedDial
 import kotlinx.android.synthetic.main.activity_dialpad.*
 import kotlinx.android.synthetic.main.activity_dialpad.dialpad_holder
@@ -96,13 +93,27 @@ class DialpadActivity : SimpleActivity() {
         dialpad_hashtag_holder.setOnClickListener { dialpadPressed('#', it) }
         dialpad_clear_char.setOnClickListener { clearChar(it) }
         dialpad_clear_char.setOnLongClickListener { clearInput(); true }
-        dialpad_call_button.setOnClickListener { initCall() }
+        dialpad_call_button.setOnClickListener { initCall(dialpad_input.value, 0) }
         dialpad_input.onTextChangeListener { dialpadValueChanged(it) }
         SimpleContactsHelper(this).getAvailableContacts(false) { gotContacts(it) }
         disableKeyboardPopping()
 
         val adjustedPrimaryColor = getAdjustedPrimaryColor()
-        val callIcon = resources.getColoredDrawableWithColor(R.drawable.ic_phone_vector, adjustedPrimaryColor.getContrastColor())
+        val callIconId = if (areMultipleSIMsAvailable()) {
+            val callIcon = resources.getColoredDrawableWithColor(R.drawable.ic_phone_two_vector, adjustedPrimaryColor.getContrastColor())
+            dialpad_call_two_button.setImageDrawable(callIcon)
+            dialpad_call_two_button.background.applyColorFilter(adjustedPrimaryColor)
+            dialpad_call_two_button.beVisible()
+            dialpad_call_two_button.setOnClickListener {
+                initCall(dialpad_input.value, 1)
+            }
+
+            R.drawable.ic_phone_one_vector
+        } else {
+            R.drawable.ic_phone_vector
+        }
+
+        val callIcon = resources.getColoredDrawableWithColor(callIconId, adjustedPrimaryColor.getContrastColor())
         dialpad_call_button.setImageDrawable(callIcon)
         dialpad_call_button.background.applyColorFilter(adjustedPrimaryColor)
 
@@ -251,9 +262,13 @@ class DialpadActivity : SimpleActivity() {
         }
     }
 
-    private fun initCall(number: String = dialpad_input.value) {
+    private fun initCall(number: String = dialpad_input.value, handleIndex: Int) {
         if (number.isNotEmpty()) {
-            startCallIntent(number)
+            if (handleIndex != -1 && areMultipleSIMsAvailable()) {
+                callContactWithSim(number, handleIndex == 0)
+            } else {
+                startCallIntent(number)
+            }
         }
     }
 
@@ -261,7 +276,7 @@ class DialpadActivity : SimpleActivity() {
         if (dialpad_input.value.isEmpty()) {
             val speedDial = speedDialValues.firstOrNull { it.id == id }
             if (speedDial?.isValid() == true) {
-                initCall(speedDial.number)
+                initCall(speedDial.number, -1)
             }
         }
     }
diff --git a/app/src/main/kotlin/com/simplemobiletools/dialer/extensions/Activity.kt b/app/src/main/kotlin/com/simplemobiletools/dialer/extensions/Activity.kt
index 7c594a6e..1a46ca29 100644
--- a/app/src/main/kotlin/com/simplemobiletools/dialer/extensions/Activity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/dialer/extensions/Activity.kt
@@ -25,9 +25,9 @@ fun SimpleActivity.startCallIntent(recipient: String) {
     }
 }
 
-fun BaseSimpleActivity.callContactWithSim(recipient: String, useSimOne: Boolean) {
+fun BaseSimpleActivity.callContactWithSim(recipient: String, useMainSIM: Boolean) {
     handlePermission(PERMISSION_READ_PHONE_STATE) {
-        val wantedSimIndex = if (useSimOne) 0 else 1
+        val wantedSimIndex = if (useMainSIM) 0 else 1
         val handle = getAvailableSIMCardLabels().sortedBy { it.id }[wantedSimIndex].handle
         launchCallIntent(recipient, handle)
     }
diff --git a/app/src/main/res/layout/activity_dialpad.xml b/app/src/main/res/layout/activity_dialpad.xml
index c987539a..86bc9a9d 100644
--- a/app/src/main/res/layout/activity_dialpad.xml
+++ b/app/src/main/res/layout/activity_dialpad.xml
@@ -107,4 +107,20 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent" />
 
+    <ImageView
+        android:id="@+id/dialpad_call_two_button"
+        android:layout_width="@dimen/dialpad_button_size_small"
+        android:layout_height="@dimen/dialpad_button_size_small"
+        android:layout_marginBottom="@dimen/activity_margin"
+        android:background="@drawable/circle_background"
+        android:contentDescription="@string/call_number"
+        android:elevation="@dimen/medium_margin"
+        android:padding="@dimen/normal_margin"
+        android:src="@drawable/ic_phone_two_vector"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/dialpad_call_button"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/dialpad_call_button" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 74be41d0..54eef688 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <dimen name="dialpad_button_size">60dp</dimen>
+    <dimen name="dialpad_button_size_small">50dp</dimen>
     <dimen name="incoming_call_arrow_size">50dp</dimen>
     <dimen name="incoming_call_button_size">72dp</dimen>
     <dimen name="call_notification_button_size">30dp</dimen>