The 57i 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 57i 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 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.

Aastra 57i CT Specifications

• Up to 9 call appearance lines
• WDCT cordless handset and cradle, for coverage of up to 300,000 sq. ft. depending on physical environment
• 144x128 pixel backlit LCD display
• Dual 10/100 Mbps switched Ethernet ports
• Power by 100-240V AC power or integrated Power over Ethernet support (802.3af)
• Expandable — add up to three Aastra 536M expansion modules, each offering 36 keys with LED indicators to create a feature rich attendant console, or also supports up to three of the advanced Aastra 560M modules, each offering 60 keys with a screen based LCD display and LED system
• Shared Call and Bridged Line Appearances
• Multi-proxy support
• Distinctive ringing, priority alerting
• XML browser
• Personal directory
• Call forward/Call transfer/Call waiting
• Caller and calling line information
• Callers log
• Local 3-way conference
• Intercom with auto-answer
• Redial list
• Do Not Disturb
• Live dial pad or pre-dial support
• Busy Lamp Field (BLF)
• Intercom

Aastra Features

Features found in the entire range of Aastra IP telephones:

• XML Browser
  The Aastra 57i CT 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 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, 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.
• 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.