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.
Hello. This is Ron's answering machine, Marvin, and I'm so depressed. I have 50,000 times the memory capacity of my owner, but all I get to do is answer the phone. Life. Don't talk to me about life. Just leave your name and number after the beep. Here comes the beep, Gosh how I hate that beep, it's so cheery sounding.

4.) Keep your voicemail message to two points. If you need to share more information, then say in your voicemail that you’re going to send the person an e-mail message with the rest of the details. “… I’m calling to share that we have finalized the … and lastly, that we know you’d like to meet at 9:00 AM as we discussed. However, is Tuesday or Wednesday better for your team’s schedule? ….”
6. Full Waiting Queue Message. What the caller hears when the waiting queue is full. Sample Scripts: “We are currently experiencing high call volume. Please leave a message with your name and phone number and we will return your call as soon as possible.”