Don't use humor – When recording a voicemail message, it is tempting to create an amusing message. However, even if your voicemail is for both personal and professional use, inappropriate humor could cause the caller to form a negative impression of you.
If you don’t know it by now, you might never know. Voicemail greetings are incredibly important to users. It conveys identity, character, and image to callers. In an increasingly digital world, where business is conducted online and over the phone, phone presence is increasingly important. As such, your greeting is a crucial part of the platform. While there are a number of obstacles to be aware of, utilized properly, voicemail greetings can be incredibly helpful and beneficial; therefore, its in users best interest to invest themselves in creating a quality recording.

When you want callers to leave a message, make sure your voicemail greeting indicates that. Be sure to keep your greeting short and direct, and include the info you want to capture.
Record and play the message while the caller is waiting to be connected. An excellent way to professionally introduce your business to the callers and set it apart from the competitors.