In all there is plenty to consider when you’re recording an answering machine greeting. If you’re aiming toward a more secure home, you can use a very basic message. If you are really funny, and friends and family mostly use the phone line, maybe funny is the best way to go. For businesses, stick with the bare facts that give enough information to callers about when their call is likely to be returned or when they should call again. Tricia Christensen
10. “Hey, this is [your name]. Thanks for reaching out. I’m busy at the moment, but if you leave your name, number, and message, I’ll return your call.

A voicemail greeting, on the other hand, refers to the message that your callers hear upon answering the phone. Voicemail greetings can include any information you’d wish to convey, such as special sales, bargains, alternate phone numbers to use, or your company’s normal working hours.
Speaking slowly also gives the listener on the line the opportunity to write down your message. Remember that people write slower than they talk. If you don’t speak clearly and slowly enough, your target listeners won’t be able to catch up, or they may even write the wrong information, making your message ineffective.