Aastra 6751i
Exceptional Features and Value in a Basic Level IP Telephone
The Aastra 6751i offers features and flexibility in an open-standards based, carrier grade basic level IP telephone. With a sleek and elegant design and LCD display the 6751i is fully interoperable with leading IP Telephony platforms, offering advanced XML capability to access custom applications and support for high-quality SIP communications. Part of the 675xi Series of IP telephones, the 6751i is ideally suited for light use small and medium business applications such as lobbies or common areas , where single line high-quality SIP communication is required.
Features
- XML Browser
The Aastra 6751i is equipped with XML browser capabilities allowing access to customized services and applications. Create internal service applications using development guides available from Aastra. This feature provides unlimited potential to customize the 6751i to meet your specific business needs or vertical applications using the display keypad.
- Enhanced Call Management
With extensive storage capacity for personal directory, callers log, and redial list, the Aastra 6751i 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 and call waiting increase call flexibility and control.
- 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 Powerover- 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.
Software downloads
Current Software Release
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6751i SIP, V2.6, May 2010
, English
, ZIP
, 1,711 KB
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9143i, 9480i, 9480i CT and 67xxi Series SIP Phone Release Notes, V2.6, May 2010
, English
, PDF
, 984 KB
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Current Language Pack
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Language Pack, V2.6, May 2010
, English
, ZIP
, 143 KB
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Encryption Tool
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IP Phone Configuration File Encryption Tool - Microsoft Windows , Version 2.x, July 2008
, English
, ZIP
, 48 KB
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IP Phone Configuration File Encryption Tool - Linux, Version 2.x, July 2008
, English
, ZIP
, 9 KB
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XML - API
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XML Development Toolkit 67xi, 9143i, 9480i, 9480i CT, V2.6, May 2010
, English
, ZIP
, 4,969 KB
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Previous Software Release
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6751i SIP, V2.5.3.2002 Patch, April 2010
, English
, ZIP
, 1,891 KB
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6751i(51i) SIP, V2.5.3.18, January 2010
, English
, ZIP
, 1,889 KB
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6751i (51i) SIP, V2.5.2.1010 patch, September 2009
, English
, ZIP
, 1,883 KB
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6751i (51i) SIP, V2.5.2.30, August 2009
, English
, ZIP
, 1,830 KB
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6751i (51i) SIP, V2.5.1.2000 patch, July 09
, ZIP
, 1,830 KB
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6751i (51i) SIP, Version 2.5.1, May 2009
, English
, ZIP
, 1,880 KB
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6751i (51i) SIP, V2.5.0.2000 patch, July 09
, ZIP
, 1,840 KB
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51i(6751i) SIP, Version 2.5, March 2009
, English
, ZIP
, 1886 KB
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6751i (51i) SIP, V2.4.1.2000 patch, July 09
, ZIP
, 1,820 KB
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51i (6751i) SIP, Version 2.4.1.1014 Patch, March 2009
, English
, ZIP
, 1871 KB
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51i (6751i) SIP, Version 2.4.1, January 2009
, English
, ZIP
, 1870 KB
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6751i (51i) SIP, V2.4.0.2000 patch, July 09
, ZIP
, 1,820 KB
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51i SIP, Version 2.4.0, November 2008
, English
, ZIP
, 1866 KB
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51i SIP, Version 2.3.1, September 2008
, English
, ZIP
, 1815 KB
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51i SIP, Version 2.3, July 2008
, English
, ZIP
, 1814 KB
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51i SIP, May 2008, Version 2.2.1
, English
, ZIP
, 1819 KB
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51i SIP, March 2008, Version 2.2
, English
, ZIP
, 1808 KB
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51i SIP, Dec 2007, Version 2.1.2
, English
, ZIP
, 1,700 KB
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51i SIP, Oct 2007, Version 2.1.1
, English
, ZIP
, 1,693 KB
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Software 51i SIP , July 2007, Version 2.1
, English
, ZIP
, 1,684 KB
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Previous Release Notes
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67xi (5xi) series, 9143i, 9480i, 9480i CT SIP Phone Release Notes, v2.5.3.18, January 2010
, English
, PDF
, 240KB
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67xi (5xi) series, 9143i, 9480i, 9480i CT SIP Phone Release Notes, V2.5.2.1010 patch, September 2009
, English
, PDF
, 221 KB
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67xi (5xi) series, 9143i, 9480i, 9480i CT SIP Phone Release Notes, Version 2.5.2.30, August 2009
, English
, PDF
, 340 KB
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Previous Language Pack
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Language Pack, v2.5.3.18, January 2010
, English
, ZIP
, 122 KB
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Language Pack, V2.5.2.30, August 2009
, English
, ZIP
, 128 KB
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Language Pack, V2.5.1, May 09
, ZIP
, 110 KB
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Language Pack, V2.5, March 09
, English
, ZIP
, 110 KB
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5xi (675xi) series, 9143i, 9480i and 9480iCT Language Pack, Rev 2.4.1, January 2009
, English
, ZIP
, 82 KB
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5xi series, 9143i, 9480i and 9480iCT Language Pack, Rev 2.4.0, November 2008
, English
, ZIP
, 82 KB
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5xi series, 9143i, 9480i and 9480iCT Language Pack, Version 2.3.1, September 2008
, English
, ZIP
, 81 KB
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5xi series, 9143i, 9480i and 9480iCT Language Pack, Version 2.3, July 2008
, English
, ZIP
, 81 KB
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5xi series, 9143i, 9480i and 9480iCT Language Pack, Version 2.2.1, May 2008
, English
, ZIP
, 79 KB
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5xi series Language Pack , April 2008, Version 2.2
, English
, ZIP
, 78 KB
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5xi series Language Pack, Dec. 2007, Version 2.1.2
, English
, ZIP
, 74 KB
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5xi series Language Pack, Version 2.1.1
, English
, ZIP
, 74 KB
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5xi series Language Pack, July 2007, Version 2.1
, ZIP
, 49 KB
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Brochures
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6751i (51i) Datasheet
, July 2009
, English
, PDF
, 243 KB
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Aastra 5xi Overview (Aastra-DeTeWe Version)
, 06/2007
, German
, PDF
, 430 KB
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51i Datasheet
, 1211
, French
, PDF
, 473 KB
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Aastra IP Phone Matrix
, April 2010
, English
, PDF
, 2,781 KB
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Aastra 6700 Series Phone High Angle Stand
, June 2010
, English
, PDF
, 1,170 KB
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Installation instructions
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Aastra 51i Installation Guide
, 0708
, German
, PDF
, 4.800 KB
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Aastra 51i Installation Guide
, 0708
, Italian
, PDF
, 4.800 KB
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Aastra 51i Installation Guide
, English
, PDF
, 4,444 KB
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Aastra 51i Installation Guide
, French
, PDF
, 4,913 KB
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Aastra 51i Installation Guide
, Spanish
, PDF
, 4,729 KB
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Label templates for Aastra 51i, 53i, 55i, M536M
, 12/2007
, English
, PDF
, 288 KB
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Technical Info Language Pack
, 06/2008
, German
, PDF
, 206 KB
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Labels Template
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675xi (5xi) Key Labels Template
, V1.3
, English
, PDF
, 1,061 KB
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User manuals
Current User Manuals
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6751i (51i) User Guide, Version 2.5 Intl
, English
, PDF
, 9,380 KB
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9143i, 9480i, 9480i CT and 67xxi Series SIP Phone Administrators Guide, V2.6, May 2010
, English
, PDF
, 19,504 KB
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User Manuals for Aastra 800 and OpenCom 100
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Aastra 67xxi user guide for Aastra 800 and OpenCom 100
, 06/2009
, English
, PDF
, 4.430 KB
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Aastra 67xxi user guide for Aastra 800 and OpenCom 100
, 06/2009
, German
, PDF
, 4.430 KB
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Aastra 67xxi user guide for Aastra 800 and OpenCom 100
, 06/2009
, French
, PDF
, 4.430 KB
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Aastra 67xxi user guide for OpenCom 1000
, 07/2009
, English
, PDF
, 5.220 KB
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Aastra 67xxi user guide for OpenCom 1000
, 06/2009
, German
, PDF
, 5.300 KB
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5xi series, 9143i, 9480i and 9480iCT SIP IP Phone XML Development Guide
, Release 2.4.0 November 2008
, English
, ZIP
, 4703 KB
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Aastra 67xxi user guide for OpenCom 1000
, 07/2009
, French
, PDF
, 5.220 KB
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Aastra XML Scripts for trixbox CE
, Version 2.1.1
, English
, PDF
, 2736 KB
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Previous User Manuals
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67xi (5xi) series, 9143, 9480i and 9480i CT SIP Phone Administrators Guide, Version 2.5, Rev 2
, English
, PDF
, 19,141 KB
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67xi (5xi) series, 9143i, 9480i, 9480i CT SIP Phone Release Notes
, Version 2.5.1, May 2009
, English
, PDF
, 549 KB
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5xi (67xxi) series, 9143i, 9480i and 9480iCT SIP Phone Release Notes
, Version 2.5, March 2009
, English
, PDF
, 808 KB
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5xi (675xi) series, 9143i, 9480i and 9480iCT SIP IP Phone Release Notes
, Version 2.4.1.1014 Patch, March 2009
, English
, PDF
, 535 KB
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5xi (675xi) series, 9143i, 9480i and 9480iCT SIP IP Phone Release Notes
, Version 2.4.1, January 2009
, English
, PDF
, 863 KB
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51i (6751i) User Guide, Version 2.4 US
, English
, PDF
, 11,348 KB
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51i (6751i) User Guide, Version 2.4 Intl
, English
, PDF
, 11,577 KB
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5xi series, 9143i, 9480i and 9480iCT SIP IP Phone Administrator Guide
, Version 2.3, July 2008
, English
, PDF
, 18169 KB
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5xi series, 9143i, 9480i and 9480iCT SIP IP Phone Administrator Guide, V 2.4.0, November 2008
, English
, PDF
, 18269 KB
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5xi series, 9143i, 9480i and 9480iCT SIP IP Phone XML Development Guide
, Version 2.3.1, September 2008
, English
, ZIP
, 4438 KB
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5xi series, 9143i, 9480i and 9480iCT SIP IP Phone Release Notes
, Version 2.4.0
, English
, PDF
, 1402 KB
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5xi series, 9143i, 9480i and 9480iCT SIP IP Phone Release Notes
, Version 2.3.1
, English
, PDF
, 1142 KB
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51i User Guide
, Version 2.1
, English
, PDF
, 11,211 KB
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5xi series, 9143i, 9480i and 9480i CT SIP IP Phone Administrator Guide, Version 2.3, July 2008
, English
, PDF
, 18169 KB
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Aastra XML Scripts for trixbox CE
, Version 2.0.0
, English
, PDF
, 2041 KB
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5xi series, 9143i, 9480i and 9480iCT SIP IP Phone Release Notes, Version 2.3
, English
, PDF
, 1521 KB
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5xi series, 9143i, 9480i and 9480iCT SIP IP Phone Release Notes
, Version 2.2.1
, English
, PDF
, 900 KB
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Aastra Telecom 5xi series SIP IP Phone XML Development Guide
, Version 2.2
, English
, ZIP
, 3371 KB
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Aastra Telecom 5xi series SIP IP Phone Release Notes
, Version 2.2
, English
, PDF
, 4481 KB
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5xi series, 9143i, 9480i and 9480iCT SIP IP Phone XML Development Guide
, Version 2.3
, English
, ZIP
, 4458 KB
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Aastra Telecom 5xi series SIP IP Phone Release Notes
, Version 2.1.2
, English
, PDF
, 1,655 KB
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Aastra Telecom 5xi series SIP IP Phone XML Development Guide
, V2.1.1
, English
, ZIP
, 2,174 KB
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Aastra Telecom 5xi series SIP IP Phone Release Notes
, Version 2.1.1
, English
, PDF
, 1,916 KB
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Aastra 51i User Guide
, Version 2.1 (Rev.00)
, French
, PDF
, 8.000 KB
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Aastra 51i User Guide
, Version 2.1 (Rev. 00)
, German
, PDF
, 8.102 KB
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Aastra Telecom 5xi series SIP IP Phone Administrator Guide
, Version 2.1
, English
, PDF
, 10,912 KB
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675xi (5xi) series SIP IP Phone Administrators Guide, Version 2.1, October 2007
, English
, PDF
, 10,912 KB
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5xi series, 9143i, 9480i and 9480iCT SIP IP Phone XML Development Guide
, Version 2.2.1
, English
, ZIP
, 3618 KB
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Aastra Telecom 5xi series SIP IP Phone Release Notes
, Release 2.1
, English
, PDF
, 2,164 KB
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Aastra Telecom 5xi series SIP IP Phone XML Development Guide - July 2007
, Release 2.1
, English
, ZIP
, 2,141 KB
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More SIP Telephones
6730i
6731i
6739i
9143i
9480i
9480i CT
6751i
6753i
6755i
6757i
6757i CT
M670i Expansion Module
M675i Expansion Module
Downloads
Software downloads
Brochures
Installation instructions
User manuals
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