Exceptional Value and Quality in a Fully Featured, Expandable, Business IP TelephoneThe 57i from Aastra offers powerful features and flexibility in a standards based, carrier-grade fully featured expandable Business IP telephone. With a sleek and elegant design, large 144 x 128 pixel graphical backlit LCD display and 6 dynamic context-sensitive softkeys, the 57i is fully interoperable with leading IP-Telephony platforms, offering advanced XML capability to access custom applications and support for up to 9 calls simultaneously. Part of the Aastra family of IP telephones, the 57i is ideally suited for executives and Business telephone users who require more one touch feature keys and a large screen to take full advantage of XML based programs.