Clean Up Muffled Phone Call

I need a phone call recording cleaned up. The audio is muffled and needs to be clearer. Requirements: - Clean up muffled audio - Enhance overall sound quality Ideal Skills: - Experience with audio editing... (Budget: $250 - $750 AUD, Jobs: Audio Editing, Audio Engineering, Audio Mastering, Audio Processing, Audio Production, Audio Services, Sound Design, Voice Talent)