Rehearse or write down your message before recording it. Remember that old saying “practice makes perfect?” It’s certainly true when it comes to creating an electronic greeting. The more you’ve rehearsed, the easier the message will be to restate. If you don’t have time to practice, writing down the greeting before recording it – and then reading it aloud from the paper – may help you stay focused on the correct wording.
On the Greeting page, under both the Business Hours and After Hours tabs, choose whether you want to use the default greeting, upload an audio recording, or record your own greeting. Click Next. 8

I can voice a custom voicemail greeting to fit your corporate, small business, or personal phone. Make your phone greeting stand out to your callers with a professional voiceover for whatever you need said, including prompts for extensions and personalize each line with a name or department.
Your phone number is the last thing you should say on a voicemail. Say it once, slowly, and make sure to repeat it again. This has two benefits: First, it makes your phone number the last thing they hear, which encourages an immediate callback.