For small businesses that need affordable, reliable, and easy-to-use IP phones, the Cisco SPA 303 3-Line IP Phone with 2-port switch and LCD display can be used with either Session Initiation Protocol (SIP) or Smart Phone Control Protocol (SPCP) and is supported with the Cisco Unified Communications 500 Series, Cisco SPA 9000 Voice System, and hosted IP telephony systems. The SPA 303 enables many productivity-enhancing features and XML applications. It is easy to install and supports highly secure remote provisioning as well as web-based configuration. The phone addresses the requirements of the traditional business user while building on the advantages of IP telephony. Cisco Small Business Pro Service is available.