These voicemail ideas may not come so easily for some of you. And who says that finding inspiration is a bad thing. It has to be different and contain some kind of style.
"Hello, this is John. I'm not home right now, but I can take a message. Hang on a second while I get a pencil." (background noise - open a drawer and shuffle stuff around.) "OK, what would you like me to tell me?" If you are paranoid, we know who you are and what you want. Stay on the line so we can trace your call. If you are delusional, press 7 and your call will transferred to the mother ship. If you are schizophrenic, listen carefully and a small voice will tell you which number to press. If you are manic depressive, it doesn't matter which number you press, no one will answer. If you have a nervous disorder, please fidget with the hash key until someone comes on the line. If you have amnesia, press 8 and state your name, address, phone number, date of birth, social security number, and your mother's maiden name. If you have bipolar disorder, please leave a message after the beep, or before the beep, or after the beep. Please wait for the beep. If you have short-term memory loss, press 9. If you have short term memory loss, press 9. If you have short term memory loss, press 9. If you have short term memory loss, press 9. If you have low self esteem, please hang up. All our operators are too busy to talk to you."

Answering the phone with funny phrases, like “talk to me” or “Yello”, is a classic. However, the more creative you are, the funnier you will be. For example, according to List Keepers, the No. 1 funny way to answer the phone is: “City Morgue, you kill them, we relax ’em.”
#2 “Hey this is Bryan, leave me a message at the beep. Like you needed me to tell you that, right? I mean, how many times have you done this? You already know what to do.”