The Aastra 57i CT offers powerful features and flexibility in a standards based, carriergrade advanced level, expandable, IP telephone that includes an integrated WDCT cordless mobility handset for coverage up to 300,000 sq ft.* With a sleek and elegant design, large 144 x 128 pixel graphical backlit LCD display and 6 dynamic contextsensitive softkeys, the 57i CT base unit 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 5i Series of IP telephones, the 57iCT is ideally suited for 'on the move' staff who require telephone mobility - warehouse, retail customer support and many other roles. Further call flexibility and coverage can be added using Aastra 536M or 560M Expansion modules, adding up to 180 softkeys and LEDs to the base 57i phone, and making this the ideal platform for Receptionists who also require a mobile capability when 'off station'.
Audio 57i CT Base ~ Hearing aid compatible (HAC) handset ~ Full-duplex quality speakerphone ~ Modular headset connector with built-in amplifier ~ Non-amplified business headsets are recommended 57i CT Cordless Handset ~ One handset included; expandable up to 4 handsets ~ 2.4 GHz Frequency Hopped Spread Spectrum (FHSS) ~ Warehouse coverage up to 300,000 sq. feet ~ Vibration alerter ~ 2.5mm headset connector Display and Indicator 57i CT Base ~ 144x128 pixels graphical LCD display ~ Soft white backlight for user comfort in any lighting environment ~ Configurable for Always On, Always Off, or Auto (power saving) ~ LED for call and message waiting indicator 57i CT Cordless Handset ~ Large 5 lines backlit display ~ LED for call and message waiting indicator Power 57i CT Base ~ AC wall adapter included ~ Integrated IEEE 802.3af Power Over Ethernet (PoE) support 57i CT Cordless Handset ~ AC wall adapter for charging stand ~ Nickel Metal Hydride battery – 4 day standby time, 4 hour talktime Physical 57i CT Base ~ 23.5 cm W x 20.8 cm D x 8.0 cm H (9.3”W x 8.2”D x 3.2”H) ~ 940 g (33.0 oz) ~ 4 adjustable footstand positions ~ Wall mountable 57i CT Cordless Handset ~ 13.7 cm L x 4.6 cm W x 1.9cm H (5.4’’L x 1.8’’W x 0.8’’H) ~ 133 g (4.7 oz.) Expansion Modules ~ Aastra 536M – 36-keys paper label module with LEDs ~ Scalable up to 3 modules per 57i for a total of 108 extra softkeys/LEDS ~ Aastra 560M LCD Module – 20 softkeys for 60 functions per Module ~ Scalable up to 3 modules per 57i for a total of 180 extra softkeys/LEDS ~ Install 3 modules, either 536M or 560M, per phone ~ No additional external power required; Modules powered directly from phone
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