Avaya IP Office 500 System

The Avaya IP 500 telephone system is a base unit of the Avaya IP Office range, and is the most popular of the Avaya IP systems. It is a phone system specifically designed for small to medium businesses. The IP 500 is a very affordable office telephone system, but when the business grows, additional licenses can be purchased to enable more features. This makes the IP500 base cost lower than other telephone systems, which is why it is the system most buyers choose.