The Cisco Unified SIP Phone 3905 is a cost-effective entry-level IP phone that addresses the need for basic voice communications with common Cisco Unified Communications features in an attractive design that is also budget-friendly. The phone can fill the communication needs of cubicle retail classroom manufacturing floor and hallway as well as various wall-mounted deployments.The single-line Cisco Unified SIP Phone 3905 supports two calls per line. Fixed keys for redial transfer and hold/resume along with a full-duplex speakerphone and two-line display which comes standard deliver a more productive easier-to-use and flexible endpoint experience. With its dual-port 10/100 Ethernet switch for network and PC connections the Cisco Unified SIP Phone 3905 offers IT organizations a cost-effective solution to reduce cabling infrastructure and administration costs at the desktop.The phone is also eco-friendly taking advantage of reground and recyclable plastics to deliver a more earth-responsible solution.