Well, if your CRM tools indicate that the customer is likely to choose one of your products or its affiliates, it’s your chance to leave more details in your free business voicemail greeting message.
However, if you don’t want to go about the hassle of hiring a professional voice-over actor and spend money on hiring a studio and equipment for a professional voice recording, virtual phone services like Grasshopper have the option of their Voice Studio, which is a virtual phone system that has been designed for entrepreneurs to enable them to sound professional and stay connected as well.

Messages on Hold – continuous loop of music and messaging that plays as callers wait to speak to a business representative. Messages On Hold present a mix of marketing messages and customer service information that is mixed with music to play in a loop for callers waiting on hold.
Whether it’s an out-of-stock product, a canceled event, or social media snafu, there are times when your business may see an influx of frustrated callers. While it is important to address their concerns head-on, you may not be able to answer each call as it’s received. Make sure you use best practices for dealing with angry customers, and that your voicemail greeting sets the appropriate tone. Avoid defensive language, validate their concerns, and keep them informed as to how you are handling the situation.