The default music tracks included with your account are licensed for use with your RingCentral system. No additional royalty fees apply. If you upload MP3 or WAV music files to use with your phone system, you may have to pay license fees or royalties. International copyright regulations limit how and where music can be played. Even if you purchased the music recordings (CDs, MP3 files, etc.), you do not own the music and must obtain licences.