AMRAudioRecorder-master/app/src/main/res/drawable/ic_phone.xml

<?xml version="1.0" encoding="utf-8"?>
<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="#757575"
        android:pathData="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c0.27-0.27 0.67 -0.36 1.02-0.24 1.12
0.37 2.33 0.57 3.57 0.57 0.55 0 1 0.45 1 1V20c0 0.55-0.45 1-1 1-9.39 0-17-7.61-17-17
0-0.55 0.45 -1 1-1h3.5c0.55 0 1 0.45 1 1 0 1.25 0.2 2.45 0.57 3.57 0.11 0.35 0.03 0.74-0.25
1.02l-2.2 2.2z" />
</vector>