Before you push record, be sure to tell the person on the other end of the line you're recording; depending on your location, you may be breaking a law if you don't. Some US states—like New York and even the feds—only require one-party consent, which means you can record without telling the other person or persons. In California, all parties must know they're being recorded—even if the recorder is out of state. Under federal law, one-party consent is okay, but only if you're part of the conversation; otherwise that's considered eavesdropping.
As you prepare to work from home, consider updating the outgoing message on your desk phone so external callers know you are working remotely.

4. Pay attention to the available options. To record a fresh greeting on most voicemail systems, use the “2” key to initiate the procedure.
Last, make sure you keep this voicemail account up to date, especially if you have some kind of "out of office" message, telling people where you are. Michael Hyatt updates his voicemail message every day-- it may seem excessive, but it lets his callers know that he regularly checks his voicemail, cares about messages he receives, and is likely to get back to them.