SPA 509G IP Phone uses standard encryption protocols to provide secure remote provisioning and unobtrusive in-service software upgrades. Cisco secure remote provisioning tools include detailed performance measurement and troubleshooting features, enabling network providers to deliver high quality support to their subscribers. Remote provisioning also saves service providers the hassle and expense of managing, pre-loading, and re-configuring customer premise equipment (CPE).

• The Cisco SPA 509G 12-line IP Phone provides small businesses a rich user experience with a monochrome backlit display for ease of use, aesthetics, and on-screen applications;
• HD voice for unsurpassed voice clarity; enhanced full duplex speaker phone for clear conversations across the desk; and an integrated switch port to connect your computer
• Part of the Cisco Small Business Pro Family, the Cisco SPA 500 Series IP Phones are specifically designed for small businesses and are supported on all of the Cisco small business phone systems