The ZIP 57i : is a full-featured executive phone distinguished by its large scale 144 x 128 pixel backlit display and 30 feature activation keys, 12 of which are programmable. Nine call keys provide visibility for incoming, outgoing, and held calls. The 57i CT offers all the functionality of the ZIP 57i phone, plus an integrated cordless base, providing exceptional VoIP mobility for the busy manager. Desktop working surfaces are maximized by integrating the wireless transceiver in the phone itself. Employing 2.4 GHz Hopped Spread Spectrum technology ensures secure communications with complete freedom of movement for the user. Compatible with either three (3) Zultys ZIP 536M or ZIP 560M Expansion Modules, these phones are well-featured for use as an operator or reception station.
