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Aastra 6757i CT SIP Telephone with Cordless Handset

Aastra 6757i CT SIP Telephone with Cordless Handset

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

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The 6757i CT from Aastra 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 6757i 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 family of IP telephones, the 6757i 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.


  • Mobility
    Employing secure WDCT cordless technology, the Aastra 6757i 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 6757i 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 6757i 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 6757i 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 6757i CT offers two different module extension options. It supports up to three Aastra M670i 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 M675i modules, each offering 60 keys with a screen based LCD display and LED system.
  • Remarkable Audio
    All 67xi Series IP Telephones offer full-duplex speakerphones. With the addition of our wideband audio technology, Aastra Hi-Qâ„¢, Aastra SIP phones now deliver enhanced audio performance and superior voice clarity. 
  • 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

Price Range $200 - $299
Phone Type IP SIP
Number of Phone Lines 9
Display Size 6 Lines
Display Color LCD Mono
Touch Screen No
Number of Fixed Buttons 8
Number of Programmable Buttons 12
Number of SoftKeys 12
Speakerphone Full Duplex
Phone Audio Wideband
Hearing Aid Compatible Yes
Echo Cancellation Yes
Headset Jack RJ9
EHS Adapter No
Handset Lifter Yes
POE Optional
Ethernet 100BASE-T
USB Port No
IP Licence N/A
XML Browser Yes
Microsoft Lync No
Unified Communications No
Software Upgrade Yes
QOS Support Yes
Add-on Module Optional
Add-on Module Stand Included
Wall Mount Included
Voicemail Notification No
Voicemail Button No
Personal Directory Yes
Mute Button Yes
Speaker Button Yes
Hold Button Yes
Transfer Button Yes
Speed Dial Yes
Conference Button Yes
Navigation Keys Yes
Call History Yes
Language Support Multilingual
Height (cm) 8.00
Width (cm) 20.80
Depth (cm) 23.50
Weight (grams) 940
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