manage, the 500 Series supports up to 50 users (with expansion capabilities up to 64 users) in flexible deployment models based on your needs. It supports a wide array of IP phone models, public switched telephone network (PSTN) interfaces, and Internet connectivity.

An integral component of the Cisco Smart Business Communications System, the Cisco Unified Communications 500 Series for Small Business eliminates the need for multiple servers and combines voice, data, video, security, and wireless capabilities. It integrates with existing desktop applications such as calendar, email, and customer relationship management (CRM) programs. Integrated Smart Applications also help boost employee productivity.