"Dear [Prospect's Name], this is [Your Name]. On [Date of Last Contact], I contacted you about [Reason for Previous Call] and as I haven’t heard from you, I can only assume you're either, one, not interested and I’m simply clogging up your voicemail with annoying spam messages; or, two, you desperately want to contact me, but you’re trapped under a fallen filing cabinet and can’t reach your phone. Please let me know which one it is. I'll gladly send help if it's the latter. Just call me back at [Your Phone Number]. Thanks for your time!"
10 Ways to Sound More Professional in Your Work Emails. 1 1. Run Spelling and Grammar Checks. The single most important thing you can do in any communication if you want to look professional is run spelling ... 2 2. Don’t Overuse Punctuation. 3 3. Drop the Word “Just”. 4 4. Consider The Context. 5 5. Avoid the Ten Dollar Words. More items

If the you haven't changed your personal greeting, a default system greeting will be played for callers. For example, "Please leave a message for John Smith. After the tone, please record your message. When you finish recording hang-up or press the pound key for more options."
2. Leave Nicknames to Personal Communication. Some of us have multiple email accounts for multiple reasons, and there’s nothing wrong with that. Everyone has their own vices and virtues, but they are for our personal and social lives, rather than for business.