Here is a great short example: Hello this is [first name] with {business name} in {city name} . I apologize I cannot answer the call at the moment, please leave me your name, number, and I will return the call as soon as get back to the phone. Here you have let the caller know that they have reached your business, and that you are sorry you can’t answer right away. It assures them that you are interested in their call, and that you will get back with them as soon as you can.
"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."

“Good afternoon. You have reached the office of [your name]. I will be out of the office beginning on [date] and will be returning on [date]. Please leave a brief message with your contact information, and I’ll be sure to get back to you as soon as I return on [date]. If this is an emergency or you need to speak with someone before I return, please contact [name of colleague/supervisor], [their job title], at [their phone number].”
As you look to update your script, here are a few questions to ask: Will your voicemail greeting be funny, so your callers think your business is fun? Do you want the tone to be more professional, so it gives callers the impression you only work with Fortune 500 companies? Do you want to record a brief message, or will a more detailed message be helpful? Knowing these answers will help you craft a personal voicemail greeting unique to your company.