Full-featured 1-line business-class IP phone supporting Power over Ethernet (PoE)
Connects directly to an Internet telephone service provider or to an IP PBX
Dual Gigabit Ethernet switched ports, speakerphone, caller ID, call hold, conferencing, and more
Easy installation and secure remote provisioning, as well as menu-based and web-based configuration
Supports up to two Cisco SPA500S Expansion Modules, adding up to 64 additional buttons
Supports both SIP and SPCP Protocols with Cisco Unified Communication 500 Series