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Your Connection to theWorld
Key Features and Benefits:
Mobility
Employing secure WDCT cordless technology, the Aastra 57i CT expands VoIP beyond
the desktop without the need for a separate wireless network. Increases ?exibility and
ef?ciency for those not tied to a desk.
XML Browser
The Aastra 57i CT is equipped with XML browser capabilities and an extra large display
with dynamic softkeys to easily access customized ser vices 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 speci?c business needs
or vertical applications using the display and keypad.
Enhanced Call Management
With extensive storage capacit y for personal directories, callers logs and redial lists and
12 programable keys, the Aastra 57i CT can improve ef?ciency 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 ?exibilit y and control.
Expandability
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.
Remarkable Audio
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.
Simplified Deployment
From initial deployment and con?guration 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 con?guration ?les, using any text editor,
can be used to con?gure phones individually or centrally.
* Range capacity subject to operating environment
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E xceptional Features and Value in a Fully Featured, Expandable,
Mobile IP Telephone
The Aastra 57i CT offers powerful features and flexibility in a standards based, carrier-
grade 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 context-
sensitive 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.
Feature Highlights*
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),
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), ComCierge, Call
Park/Pickup, Conference
* Feature availability dependant on IP telephony systems
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Aastra 57i CT
IP Telephones
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