Aastra 57i IP Phone
The Aastra 57i IP phone includes Up to 9 lines support, 12 soft keys with LEDs, 6 static keys programmable up to10 functions, 6 context sensitive keys programmable up to 20 functions, Graphical 144x128 pixel LCD screen, White LED backlight, Full-duplex speakerphone, Dual 10/100 switched Ethernet ports, Headset support with built-in amplifier, PoE or AC adapter, Flash programming, and expandable up to 3 modules of model 536M and 560M.
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