However, Hinze says that the way businesses use voicemail has changed radically. What once meant a constantly clogged answering machine is now a service that almost always involves the incorporation of more modern functions like automated message transcription. For customers picking up a phone after your normal hours of operation, rather than going to your website, voicemail greetings can keep them apprised of business hours, brief company news items and other critical information.
There are plenty of options for business voicemail messages, including professional greetings, casual messages, and even funny ones. Consider your brand voice and target audience to choose the tone. And include directions for those who call.

It can be overwhelming to someone calling if your voicemail suggests they leave their name, address, time of calling, reason why calling, best phone number to call them back at, etc. They might not be prepared with all of the information and could end up leaving a confusing and flustered message. Instead, just kindly ask the person to leave their name and number and reassure that someone will be in touch as soon as possible.
a personal greeting (as recorded by the mailbox user) followed by the fixed system prompt, "Begin speaking after the tone, then hang-up when you are finished or press any key for further options.