Instead of leading with tired old lines like 'Your call is important to us', brush up on your telephone etiquette and start your voicemail with a thank you.
Website: https://www.theladders.com/career-advice/how-to-record-the-perfect-voicemail-message-on-your-phone-to-enhance-your-job-hunt-process

Consider for a moment how your phone is currently being answered. Professional courtesy is quite often not the standard for many college students. An abrupt "Yeah!" could be listed among the more courteous greetings. The more outrageous remarks will often buy you a major black mark in the professionalism category—even if it was your roommate answering your phone and acting crazy. A simple "This is ____" is always a pleasant change for a college student call. Make the change today, before the next (or first) employer phone call. If you have a landline, you should also encourage your roommate to do the same.
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.