Aastra Dialog 4425 IP Vision Telephone
Features a six-row adjustable graphical display 23 keys with LEDs 4 Soft keys and 3 Navigation keys 2-port Ethernet switch (to share a LAN cable/port with a PC) Full duplex hands-free speaking with Acoustic Echo Cancellation (AEC) Headset port (with dedicated headset switching key) Power over LAN support (according to IEEE 802.3af) WAP browser with access to WAP portals (D.N.A central directory) Web server (for PC based management of the telephone via a Web browser) Local call list and phone book Multi-codec support Multi-language support QoS support (incl.QoS statistics available via WEB browser) Hearing-impaired support with amplification ( 6dB) Acoustic shock protection Proprietary IP Warning The Aastra 4225 Vision is a Proprietary IP telephone which requires a Proprietary VoIP telephone system to operate. This phone is not suitable for home use. Power SupplyThis is a Power Over Ethernet (PoE) enabled device and, as such, is sold without a PSU. If you do not have PoE, you will need to purchase a separate Power Supply Unit.