Voicemails don’t necessarily have to be monotonous or extremely jazzy or funky. What you should be looking for is a balance between the two. Whenever you call someone and their voicemail greeting is playing, it tells you a lot about who they are, as a person. Which is why, you’ve got to put a little bit of “you” when it comes to voicemail. And the best part about all of this is, since you couldn’t come to the phone, at least the callers are having a good time listening to the message.
A good cell phone voice mail greeting is clear, courteous and to the point. Enunciate, don't mumble, to make it as easy as possible for those with poor hearing or bad connections to be able to hear your greeting. Be polite, and save swearing for the conversation, if applicable.

Hello! You’ve reached [Natasha on the Product Development Team at LinkedPhone]. I’m not available at the moment but your call is important to me. Please leave your name, number, and the reason for your call and I’ll call you back as soon as possible. Thank you and have a great day!
Not everyone will observe the same holidays, and not every business or even member of your team will be around at the same time or even days. It is also completely possible that your business will stay open, but adjust operating hours. Either way, recording a personalized holiday greeting for your business can go a long way in improving your customer’s experience.