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Aastra 57i CT

product picture $331.99 Aastra 57i CT IP Phone
The Aastra 57i CT IP Phone provides cordless mobility. The phone allows the user to be non-stationery in calling with up to a 300,000 sq. ft. coverage area. There is the ability to have 4 handsets per base. The Aastra 57i CT IP Phone supports 2 simultaneous calls - one on base and one on cordless handset.
Aastra 57i CT IP Phone with Cordless Mobility, Full-Duplex Speakerphone, Graphical LCD Screen & Up to 9 Lines Supported - Connexio 5i Series
The Aastra 57i CT IP Phone has 6 static keys which are programmable up to 10 different functions. For ones that love hands free phones there is a built-in amplifier along with headset support. The Aastra 57i CT is expandable up to 3 modules of model 536M and 560M.
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 57i CT is ideally suited for executives, heavy telephone users who require more one touch feature keys and a large screen to take full advantage of XML based programs and mobile warehouse, support and retail staff.

Employing secure WDCT cordless technology, the Aastra 57i CT expands VoIP beyond the desktop without the need for a separate wireless network. Increases flexibility and efficiency for those not tied to a desk.

The Aastra 57i CT is equipped with XML browser capabilities and an extra large display with dynamic softkeys to easily access customized services and applications. Create internal service applications using development guides available from Aastra. This feature provides unlimited potential to customize the 57i CT to meet your specific business needs or vertical applications using the display and keypad.

With extensive storage capacity for personal directories, callers logs and redial lists and 12 programable keys, the Aastra 57i CT can improve efficiency by providing more call information with the push of a button. Features such as shared call and bridged line appearances, call forward, call transfer, call waiting, intercom and local 3-way conference increase call flexibility and control.

The Aastra 57i CT offers two different module extension options. It supports up to three Aastra 536M modules, each offering 36 keys with LED indicators to create a feature rich attendant console. Or, it will also support up to three of the advanced Aastra 560M modules, each offering 60 keys with a screen based LCD display and LED system.

All Aastra IP telephones offer full-duplex speakerphone with excellent voice clarity and delivery. With years of experience in telecommunications and telephone design, Aastra can ensure superior voice quality on every product we sell.

From initial deployment and configuration to future enhancements and upgrades, the Aastra family of IP telephones are designed to save your business time and money. Dual auto-sensing switched Ethernet ports eliminate additional wiring and simplify installations. Integrated IEEE 802.3af Power-over-Ethernet allows easy deployment with centralized powering and backup. Easily created configuration files, using any text editor, can be used to configure phones individually or centrally.


Aastra 57i CT Features & Functionality
Up to 9 call appearance lines
Shared call and bridged line appearances
Multi-proxy support
Distinctive ringing, priority alerting
XML browser
Personal directory
Call forward/Call transfer/Call waiting
Caller and calling line information
Callers log
Local 3-way conference
Intercom with auto-answer
Redial list
Do Not Disturb
Live dial pad or pre-dial support
Digium’s Asterisk Business Edition – supports Busy Lamp Field (BLF), Bridged Line Appearances (BLA), Intercom
BroadSoft’s BroadWorks enhanced SIP – supports Shared Call Appearances, Busy Lamp Field (BLF), CommPilot Call Manager
Nortel’s MCS 5100/5200 SIP supports – Conferencing, Voicemail, and NAT Traversal
Sylantro’s SIP – supports Bridged Line Appearances (BLA), ComСierge, Call Park/Pickup, Conference



Related Products

 • Aastra 560M


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