Speak clearly. Don't mumble; speak too fast or too slow. You want people to understand your greeting. The way you communicate with people through your greeting is an example of how you communicate with people in the real world.
Recording professional voicemail greetings is easy but many people find it to be akin to public speaking, and are therefore apprehensive about starting. First of all, lets acknowledge the elephant in the room and just say that nobody in the history of the world enjoys the sound of their voices being played back to them. Once you can accept that, getting a professional voicemail greeting or Auto Attendant menu recorded will be a lot easier. To help you get the right tone and tenor of what you’re trying to communicate over you business voicemail, we’ve put together this handy list of resources for you.

9. "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.”
When your business is closed for vacation or holidays, it’s imperative that you set appropriate expectations for a callback and to provide an alternative coverage option, if available. The following greeting accomplishes this succinctly.