ring-android/app/src/main/res/menu/conversation_actions.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools">
    <item
        android:id="@+id/conv_action_audiocall"
        android:icon="@drawable/baseline_call_24"
        android:title="@string/ab_action_audio_call"
        app:showAsAction="always" />

    <item
        android:id="@+id/conv_action_videocall"
        android:icon="@drawable/baseline_videocam_24"
        android:title="@string/ab_action_video_call"
        app:showAsAction="always"
        tools:ignore="AlwaysShowAction" />

    <item
        android:id="@+id/conv_contact_details"
        android:icon="@drawable/baseline_person_24"
        android:title="@string/conversation_details"
        app:showAsAction="always"
        tools:ignore="AlwaysShowAction" />
</menu>