While different types of businesses have varying needs in phone systems, there are certain qualities in phone systems that are needed regardless business type. For example, all businesses want to know they're getting the best value for the money, and most require phone systems that are easy to use, reliable and provide the best level of service. In addition, customer service support from the phone system provider is also an important factor for many businesses. While there are several phone system companies to choose from, the top three are currently Nextiva, RingCentral Professional and 8x8. Each of these companies offer phone systems that include computer integration, mobile access and a variety of calling features, and also meet the necessary requirements to be a top contender as far as reliablity and pricing. These three systems exceed standards in many categories, providing the best overall quality and value. Below are the most commonly asked questions about business phone systems, to help you choose the one that's right for your business needs.