diff --git a/resources/media/README.txt b/resources/media/README.txt
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+The below media files were obtained from https://github.com/matrix-org/matrix-react-sdk/tree/develop/res/media
+
+callend.ogg
+ringback.ogg
+ring.ogg
diff --git a/resources/media/callend.mp3 b/resources/media/callend.mp3
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diff --git a/resources/media/ring.mp3 b/resources/media/ring.mp3
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diff --git a/resources/media/ringback.mp3 b/resources/media/ringback.mp3
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