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Aastra 6751i

Aastra 6751i

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The Aastra 6751i has been discontinued by the manufacturer. VoIP Supply recommends the Aastra 6863i. For more information or if you have questions, please call 800.398.8647.
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Aastra 51i IP Phone

The Aastra 51i 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 Aastra 51i 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 5i Series of IP telephones, the Aastra 51i 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.

Aastra 51i Overview

Aastra 51i XML Browser

The Aastra 51i 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 Aastra 51i to meet your specific business needs or vertical applications using the display keypad.

Aastra 51i Enhanced Call Management

With extensive storage capacity for personal directory, callers log, and redial list, the Aastra 51i 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.

Aastra 51i 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.

Aastra 51i - 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.

Aastra 51i Features

  • 3-line LCD screen
  • 1 call appearance line
  • Supports 1 call line with transfer capabilities
  • Full-duplex speakerphone for monitoring calls
  • Built-in two-port, 10/100 Ethernet ports - lets you share a connection with your computer
  • Inline power support (based on 802.3af standard) which eliminates power adapters.
  • AC power adapter (sold separately)

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Manufacturer
Aastra
# of Lines
1
Backlit Display
Yes
Color Display
No
Touchscreen Display
No
Gigabit
No
Headset Interface
None
EHS Support
No

Michael Rehac

Direct: 716-213-6898
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(Submitted on ) | by

51i is not supported by Trixbox
We purchased the 51i phones for the server room, mail/copy room, etc. Places where you don't need all the features of the 57i but want to pickup a call at the closest phone.

When you setup the extensions in Trixbox, they give you a list of the phones supported. Aastra 51i is not on the list. I selected the 53i phone and have had no issues with the phones operation. However, these phones are not necessary intended to be used much. I have only used the 51i once so far, which means my experience is limited with the phone.

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