[header] How to leave the perfect voicemail message [title] Use the right tone of voice. [step] As soon as you begin recording your message, speak in a clear, audible voice. Don't mutter or talk too fast. 
Try your best to sound interested and energetic to engage your listener's attention. Even though the recipient can't see you, your general tone will come across over the phone, so make sure you're conveying the right one.