Related Clues:

• Jotted item
• Memory jogger, maybe
• Voice-mail signal
• Voice inflection
• Word with "dial" or "earth"
• Margin jotting
• Old republican mood
• Muscle firmness
• Promissory __
• Firm (up)
• A or E, or an IOU for that matter
• Signal to begin speaking
• Answering machine signal
• ___ to self
• One on the staff?