"You're growing tired. Your eyelids are getting heavy. You feel very sleepy now. You are gradually losing your willpower and your ability to resist suggestions. When you hear the tone you will feel helplessly compelled to leave your name, number, and a message."
Phone Solicitor Discouragement: The Long-Winded Voicemail Message. November 12, 2014. November 12, 2014 by funny. By pure, ridiculous serendipity, I found a way to almost bring a stop to phone solicitor calls, a major nuisance for dinosaurs who wish to hang onto their land lines.

You might also consider giving them the option to skip your voicemail message completely by pressing another key (again, check with IT). You also want to make callers aware what you will return their call, instead of telling them that you will try to return their call--and let them know when you are likely to do it, if possible. If necessary, provide additional or emergency information in your voicemail greetings. My dentist, for example, lists his cell phone number for emergencies.
This is a handy feature if you're checking messages away from home. Let's say you're dialing your retrieval number from a neighbor's phone, who also has CenturyLink voicemail. As soon as you hear their voice mail prompts, press * and enter your 10-digit phone number and password to access your mailbox.