VoIP Telephone Handsets
Aastra 55i
Aastra 55i
Aastra 55i
Aastra 55i 9 Line IP Phone with 144x75 pixel graphical display

The Aastra 55i offers powerful features and flexibility in a standards based, carrier-grade advanced level expandable IP telephone. With a sleek and elegant design, 144 x 75 pixel backlit LCD display and 6 dynamic context-sensitive softkeys, the 55i 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 Premium Series of IP telephones, the 55i is ideally suited for moderate to heavy telephone users who require more 'one touch'; features, keys and XML based programs. Further call flexibility and coverage can be added using Aastra 536M or 560M Expansion modules.

Product Features
Product Specification
~ Hearing aid compatible (HAC) handset
~ Full-duplex quality speakerphone
~ Modular headset connector with builtin amplifier
~ Non-amplified business headsets are recommended

Display and Indicator
~ 144x75 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

~ AC wall adapter included
~ Integrated IEEE 802.3af Power Over Ethernet (PoE) support

~ 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

Expansion Modules
~ Aastra 536M – 36-keys paper label module with LEDs
~ Scalable up to 3 modules per 55i 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 55i 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