SchildiChat-android/vector/src/main/res/drawable/ic_phone.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="25dp"
    android:height="25dp"
    android:viewportWidth="25"
    android:viewportHeight="25">
  <path
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      android:fillColor="#000000"/>
</vector>