55i

Exceptional Features and Value in an Advanced Featured, Expandable IP Telephone

Part of the Aastra family of IP telephones, the 55i is ideally suited for moderate to heavy telephone users who require more one touch feature keys and XML based programs.

Features

• XML Browser
  The Aastra 55i is equipped with XML browser capabilities and a 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 55i 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 55i 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 55i supports up to three Aastra 536M modules, each offering 36 keys with LED indicators to create a feature rich attendant console.
  
  
• 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.

Current Software Release
	6755i (55i) SIP, Version 2.5.1, May 2009 , English , ZIP , 2,837 KB
	67xi (5xi) series, 9143i, 9480i and 9480i CT Language Pack, Version 2.5.1, May 2009 , English , ZIP , 110 KB
Encryption Tool
	IP Phone Configuration File Encryption Tool - Microsoft Windows , Version 2.x, July 2008 , English , ZIP , 48 KB
	IP Phone Configuration File Encryption Tool - Linux, Version 2.x, July 2008 , English , ZIP , 9 KB
XML - API
	XML Development Toolkit 67xi, (5xi) series, 9143i, 9480i, 9480i CT, Version 2.4.1 , English , 4,578 KB
Previous Software Release
	55i(6755i) SIP, Version 2.5, March 2009 , English , ZIP , 2913 KB
	5xi (67xxi) series, 9143i, 9480i and 9480iCT Language Pack, Version 2.5, March 2009 , English , ZIP , 110 KB
	55i (6755i) SIP, Version 2.4.1.1014 Patch, March 2009 , English , ZIP , 2878 KB
	5xi (675xi) series, 9143i, 9480i and 9480iCT Language Pack, Rev 2.4.1, January 2009 , English , ZIP , 82 KB
	55i (6755i) SIP, Version 2.4.1, January 2009 , English , ZIP , 2875 KB
	55i SIP, Version 2.4.0, November 2008 , English , ZIP , 2876 KB
	5xi series, 9143i, 9480i and 9480iCT Language Pack, Rev 2.4.0, November 2008 , English , ZIP , 82 KB
	5xi series, 9143i, 9480i and 9480iCT Language Pack, Version 2.3.1, September 2008 , English , ZIP , 81 KB
	55i SIP, Version 2.3.1, September 2008 , English , ZIP , 2770 KB
	55i SIP, Version 2.3, July 2008 , English , ZIP , 2767 KB
	55i SIP, May 2008, Version 2.2.1 , English , ZIP , 2723 KB
	55i SIP , March 2008, Version 2.2 , English , ZIP , 2706 KB
	55i SIP, Dec 2007, Version 2.1.2 , English , ZIP , 2,587 KB
	55i SIP, Oct 2007, Version 2.1.1 , English , ZIP , 2,576 KB
	5xi series, 9143i, 9480i and 9480iCT Language Pack, Version 2.3, July 2008 , English , ZIP , 81 KB
	5xi series, 9143i, 9480i and 9480iCT Language Pack, Version 2.2.1, May 2008 , English , ZIP , 79 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
	55i SIP , July 2007, Version 2.1 , English , ZIP , 2556 KB
	55i SIP, June 2007, Version 2.0.2 , English , ZIP , 2,446 KB
	55i SIP 2.0.1.2000, Supports 2007 DST change, North America , English , ZIP , 3071 KB
	5xi series Language Pack Rev00 , English , ZIP , 45 KB

55i Datasheet , English , PDF , 158 KB

	55i Installation Guide English , PDF , 5856 KB
	55i Installation Guide Spanish , PDF , 4553 KB
	55i Installation Guide French , PDF , 4315 KB
Labels Template
	67xi (5xi) Key Labels Template , V1.3 , English , PDF , 1,061KB

	55i (6755i) User Guide, Version 2.4 , English , PDF , 15540 KB
	67xi (5xi) series, 9143i, 9480i, 9480i CT SIP Phone Release Notes , Version 2.5.1, May 2009 , English , PDF , 549 KB
	67xi (5xi) series, 9143, 9480i and 9480i CT SIP Phone Administrators Guide, Version 2.5 , English , PDF , 19,389 KB
Previous User Manuals
	5xi (67xxi) series, 9143i, 9480i and 9480iCT SIP Phone Release Notes , Version 2.5, March 2009 , English , PDF , 808 KB
	5xi (675xi) series, 9143i, 9480i and 9480iCT SIP IP Phone Release Notes , Version 2.4.1.1014 Patch, March 2009 , English , PDF , 535 KB
	5xi (675xi) series, 9143i, 9480i and 9480iCT SIP IP Phone Release Notes , Version 2.4.1, January 2009 , English , PDF , 863 KB
	5xi series, 9143i, 9480i and 9480iCT SIP IP Phone Administrator Guide, V 2.4.0, November 2008 , English , PDF , 18269 KB
	5xi series, 9143i, 9480i and 9480iCT SIP IP Phone Release Notes , Version 2.4.0 , English , PDF , 1402 KB
	5xi series, 9143i, 9480i and 9480iCT SIP IP Phone Release Notes , Version 2.3.1 , English , PDF , 1142 KB
	5xi series, 9143i, 9480i and 9480i CT SIP IP Phone Administrator Guide, Version 2.3, July 2008 , English , PDF , 18169 KB
	5xi series, 9143i, 9480i and 9480iCT SIP IP Phone Release Notes, Version 2.3 , English , PDF , 1521 KB
	5xi series, 9143i, 9480i and 9480iCT SIP IP Phone Release Notes , Version 2.2.1 , English , PDF , 900 KB
	55i User Guide , Version 2.1 , English , PDF , 14,804
	Aastra Telecom 5xi series SIP IP Phone Release Notes , Version 2.2 , English , PDF , 4481 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 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
	675xi (5xi) series SIP IP Phone Administrators Guide, Version 2.1, October 2007 , English , PDF , 10,912 KB
	Aastra Telecom 5xi series SIP IP Phones Administrator Guide - Release 2.0 , English , PDF , 5822 KB
	55i User Guide , Version 2.0 , English , PDF , 10608 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

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