Nextiva is the best automated answering service for small businesses. It’s a complete business phone system that comes with a multi-level auto attendant and virtual receptionist. Businesses can create custom greetings, add hours, and create custom rules for call routing.  For small businesses with multiple departments, Nextiva’s automated answering service ensures that calls are routed to the right person without the need for a real receptionist to answer the phone. If calls come in after hours, on holidays, or on weekends, callers will have the option to leave a voicemail.