57i CT

Exceptional Features and Value in a Fully Featured, Expandable, Mobile IP Telephone

Part of the Aastra family 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.

Features

• Mobility
  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.
  
  
• XML Browser
  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 Aastra 57i CT to meet your specific business needs or vertical applications using the display and keypad.
  
  
• Enhanced Call Management
  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.
  
  
• 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 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.

* Depending on physical environment

Current Software Release
	57i CT SIP , May 2008, Version 2.2.1 , English , ZIP , 2769 KB
	5xi series, 9143i, 9480i and 9480iCT Language Pack, Version 2.2.1, May 2008 , English , ZIP , 79 KB
Encryption Tool
	Aastra Telecom IP Phone Configuration File Encryption Tool - Microsoft Windows , Version 1.3.0, November 2005 , English , GZ , 57 KB
	Aastra Telecom IP Phone Configuration File Encryption Tool - Solaris , Version 1.3, November 2005 , English , GZ , 45 KB
Previous Software Release
	57i CT SIP , March 2008, Version 2.2 , English , ZIP , 2753 KB
	57i CT SIP, Dec 2007, Version 2.1.2 , English , ZIP , 2,631 KB
	57i CT SIP, Oct 2007, Version 2.1.1 , English , ZIP , 2,619 KB
	5xi series Language Pack , April 2008, Version 2.2 , English , ZIP , 78 KB
	5xi series Language Pack, Dec. 2007, Version 2.1.2 , English , ZIP , 74 KB
	5xi series Language Pack, Version 2.1.1 , English , ZIP , 74 KB
	5xi series Language Pack, July 2007, Version 2.1 , ZIP , 49 KB
	57i CT SIP, July 2007, Version 2.1 , English , ZIP , 2599 KB
	57i CT SIP, June 2007, Version 2.0.2 , English , ZIP , 2,535 KB
	57i CT SIP 2.0.1.2000, Supports 2007 DST change, North America , English , ZIP , 3161 KB
	5xi series Language Pack Rev00 , English , ZIP , 45 KB

57i CT Datasheet , English , PDF , 167 KB

57i CT Installation Guide English , PDF , 7525 KB

	57i CT User Guide , Version 2.1 , English , PDF , 15,215 KB
	5xi series, 9143i, 9480i and 9480iCT SIP IP Phone XML Development Guide , Version 2.2.1 , English , ZIP , 3618 KB
	Aastra XML Scripts for trixbox CE , Version 2.0.0 , English , PDF , 2041 KB
	5xi series, 9143i, 9480i and 9480iCT SIP IP Phone Release Notes , Version 2.2.1 , English , PDF , 900 KB
	Aastra Telecom 5xi series SIP IP Phone Administrator Guide , Version 2.1 , English , PDF , 10,912 KB
Previous User Manuals
	57i CT User Guide , English , PDF , 11581 KB
	Aastra Telecom 5xi series SIP IP Phone XML Development Guide , Version 2.2 , English , ZIP , 3371 KB
	Aastra Telecom 5xi series SIP IP Phone Release Notes , Version 2.2 , English , PDF , 4481 KB
	Aastra Telecom 5xi series SIP IP Phone XML Development Guide , V2.1.1 , English , ZIP , 2,174 KB
	Aastra Telecom 5xi series SIP IP Phone Release Notes , Version 2.1.2 , English , PDF , 1,655 KB
	Aastra Telecom 5xi series SIP IP Phones Administrator Guide - Release 2.0 , English , PDF , 5822 KB
	Aastra Telecom 5xi series SIP IP Phone Release Notes , Version 2.1.1 , English , PDF , 1,916 KB
	Aastra Telecom 5xi series SIP IP Phone Release Notes , Release 2.1 , English , PDF , 2,164 KB
	Aastra Telecom 5xi series SIP IP Phone XML Development Guide - July 2007 , Release 2.1 , English , ZIP , 2,141 KB
	Aastra Telecom 5xi series SIP IP Phone Release Notes , Release 2.0.2 , English , PDF , 1,139 KB
	Aastra Telecom 5xi series SIP IP Phone Release Notes , Release 2.0.1.2000 , English , PDF , 690 KB
	Aastra Telecom 5xi series SIP IP Phone XML Development Guide , Release 2.0.2 , English , ZIP , 1,716 KB
	Aastra Telecom 5xi series SIP IP Phone XML Development Guide , Release 2.0.1 , English , ZIP , 1657 KB

More SIP Telephones

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9133i
480i
480i CT
9143i
9480i
9480i CT
51i
53i
55i
57i
57i CT
536M Expansion Module
560M Expansion Module

Downloads