The Polycom SoundPoint IP 430 is a two-line SIP desktop phone designed for general business users. It features a full-duplex speakerphone, graphical LCD display, intuitive menu navigation, and integrated Power over Ethernet support. The phone provides a robust feature set including call hold, park, transfer, shared call appearances and Microsoft LCS 2005 integration. It offers choice in powering and cabling options to help reduce expenses and supports security measures like HTTPS and TLS.