Budget or entry-level VoIP phones are perfect for settings such as calls centers, warehouses and small businesses. They have all of the basic features, at the best possible price.
Business level VoIP phones are ideal for small to medium size businesses. Now a days, these phones tend to have colored screens and come will a full range of features. These are the most popular phones out there and you will definitely get your money's worth.
Executive level phones have everything you can imagine and more. They are most commonly used by management and executives in any size business. They offer features that help you manage and maintain your business right from your phone.