VirtualPBX provides every extension owner in your company with custom routing. If the employee isn’t available, the call will go to the personalized business voicemail account for that employee as a result. In this way, each employee can have a business greeting for callers. Similarly, you can set up voicemail boxes for departments or your company as a whole. Even if the call goes to a phone that already has personal voicemail, we can make sure your business calls only go to your business voicemail system. People that call the employee’s number directly get personal greetings, those that go through VirtualPBX get a business greeting.
Provide as much useful information in your business voicemail greeting. However, be sure to keep it short and concise. An excessively lengthy voicemail can be damaging rather than helpful. Keep your voicemail to around 20-25 seconds maximum.

Shut the office door and turn down the music—it’s time to record! Pretend that your office is your music recording studio as you prepare to vocalize your message. Remember that obscene background noise can be a major turn off to potential customers and prospects.
AT&T Phone for Business Voicemail User Guide 6 6. Next, you need to choose which voicemail design is best for your business needs: Basic or Advanced. 5. From the My Phone Service page scroll down to the My voicemail section and select “Set up voicemail”. 4. Next, select “Manage my plan”. Here is a brief description of each voicemail design.