Aastra Phone 312 supports wireless infrastructures according to IEEE 802.11b/g with access to a SIP proxy or SIP enabled PBX. Besides the known telephony feeling of wired SIP phones, it additionally offers a variety of convenient features such as a large back-lit graphic color display, hands-free operation, headset connector and a vibrating alert. A memory card saves up to 100 phonebook entries, device-specific data and the MAC-address. When replacing the handset, a new registration is not necessary if the MEM-Card is transferred to the new device. Aastra Phone 312 supports large infrastructures and ease roll out scenarios by reading IP configurations and SIP specific configuration from DHCP options. Additionally it provides comfortable diagnostic functionality for service and maintenance. Features Color display (1.8", 128 x 160 dots, 65536 colors) Memory Card (for phonebook entries, device-specific data and MAC-address) Telephone book with 100 entries Hands free operation (key with red LED) Headset connection (2.5 mm jack) Vibrating alert WLAN voice power save mode adjustable (Auto, U-APSD, Async. Poll, 802.11 Poll, None) Package Includes Aastra 312w WLAN Handset Memory card Belt clip Charger Power supply