Whether you’re out for the day or are off for the week, the first rule of an out of office voicemail greeting is: let callers know when you’ll be back! You’ll save them the frustration of continuing to call and yourself the hassle of listening to redundant voicemails. It’s also a good idea to set the expectation of whether you are answering messages while you’re away, and who they can reach for assistance in your absence.
You’re growing tired. Your eyelids are getting heavy. You feel very sleepy now. You are gradually losing your willpower and your ability to resist suggestions. When you hear the tone you will feel helplessly compelled to leave your name, number, and a message.

-Hello. All of our operators are busy right now, but if you’ll leave your name, telephone number, a brief message, and the time you called, we’ll get back to you as soon as possible. Thank you and have a pleasant day.
Now, “Hello” is a great way to begin a greeting, but it does not a greeting make. If your business is answering the phone with “Hello” alone, call a company meeting pronto and nix that nuttiness. In fact, a plain “Hello” can be confusing to callers, and it’s likely to make them question whether they’ve dialed the correct number.