Aastra 6757i (57i)

Quantity Pricing:

List Price: $379.99


Aastra 6757i (57i)

The 57i has been discontinued by the manufacturer. The recommended replacements are the 6867i or the 6737i .

Aastra 57i - Features *
  • Up to 9 call appearance lines 
  • Shared Call and Bridged Line Appearances
  • Multi-proxy support
  • XML browser
  • Local 3-way conference
  • Digium’s Asterisk Business Edition – supports Busy Lamp Field (BLF), Intercom
  • BroadSoft’s BroadWorks enhanced SIP – supports Shared Call Appearances, Busy Lamp Field (BLF), CommPilot Call Manager
  • Nortel’s MCS 5100/5200 SIP supports Conferencing, Voicemail, and NAT Traversal
  • Sylantro’s SIP – supports Bridged Line Appearances (BLA), ComCierge, Call Park/Pickup, Conference

* Feature availability dependant on IP telephony systems

Aastra 57i - Overview

XML Browser
The Aastra 57i is equipped with XML browser capabilities and an extra large display with dynamic soft keys 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 57i 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 programmable keys, the Aastra 57i 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.

The Aastra 57i offers two different module extension options. It supports up to three Aastra 536M 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 560M modules, each offering 60 keys with a screen based LCD display and LED system.

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.

Aastra 6757i (57i) Specifications

   23.5 cm W x 20.8 cm D x 8.0 cm H (9.3”W x 8.2”D x 3.2”H)
  940 g (33.0 oz)
   4 positions foot stand
   Wall mountable


   AC wall adapter included
   Integrated IEEE 802.3af Power Over Ethernet (PoE) support


   Hearing aid compatible (HAC) handset
   Full-duplex quality speakerphone
   Modular headset connector with built-in amplifier - Non-amplified business headsets are recommended

Display and Indicator

   144x128 pixels graphical LCD display - Soft white backlight for user comfort in any lighting environment, Configurable for Always On, Always Off, or Auto (power saving)
   LED for call and message waiting indicator

Feature Keys

   4 call appearance lines with LEDs
   4 navigational keys
   12 customizable soft keys with LEDs, programmable up to 30 functions
   8 predefined hard keys; Goodbye, Options, Hold, Redial, Speakerphone/Headset toggle, Mute, 2 volume keys


   Visit www.aastratelecom.com/IPphones for an up to date listing of approved vendor/interoperability

Expansion Module

   Aastra 536M – 36-keys paper label module with LEDs - Scalable up to 3 modules or 108 keys, No additional external power required; direct power from phone
   Aastra 560M – 60-keys LCD module with LEDs - Scalable up to 3 modules or 180 keys. No additional external power required; direct power from phone


   Multi-lingual support – English, French, Spanish, Italian, German - Downloadable language pack support for customization and additional language translations
   Country-specific call progress tones and cadences


   Dual 10/100 Mbps switched Ethernet ports
   Manual or Dynamic Host Configuration Protocol (DHCP) IP address setup
   Time and date synchronization using SNTP
   Quality of Service (QOS) support – IEEE 802.1 p/Q VLAN and priority tagging, Type of Services (TOS), and Differentiated Services Code Point
   Network Address Translation (NAT) support
   Integrated HTTP/HTTPS server for web administration and maintenance including a built-in troubleshooting section
   Mass deployment via central provisioning of user configuration files – TFTP, FTP, HTTP, HTTPS
   Redundant server support, DNS-SRV, Local backup registrar and/or proxy server

Protocols / Codecs

   IETF SIP (RFC3261 and associated RFCs)
   G.711 μ-law / A-law


   User and administrator level passwords
   Encryption of configuration files
   HTTPS configuration download and web management
   Phone lock with PIN

Package Contents

57i Base
   Aastra 57i IP telephone
   Handset and coil cord
   2x Foot stand
   AC wall adapter for base phone
   Network cable
   Installation Guide
  Wall mount kit

Part Numbers

   A1757-0131-10-05 – North America (120V power adapter)
   A1757-0131-10-55 – International (Universal power adapter)


   ROHS compliant
   WEEE (2002/96/EC)
   CE Mark (89/336/EEC EMC Directive and
   73/23/EEC Low Voltage Directive)
   FCC Part 15 Class B
   ICES-003 Class B
   VCCI Class B
   AS/NZS 3548 Class B
   EN55022 Class B
   CISPR22 Class B
   EN61000-4-2, 4-3, 4-4, 4-5, 4-6, 4-8, 4-11
   CAN/CSA C22.2 No. 60950
   EN 60950
   UL 60950-1
   FCC Part 68 (Hearing Aid Compatibility)
   AS/NZS S004
   FCC Part 15 Class C
   EN 300-328
   EN 301 489
   AS/NZS 4771


   Aastra 536M – 36-keys paper label expansion module - A1736-0000-10-55 (Universal)
   Aastra 560M – 60-keys LCD expansion module - A1760-0000-10-55 (Universal)
  Optional mid span Power Over Ethernet
  (POE) injector available, but not provided for networks that do not supply power, D0023-0031-00-00 (North America) or D0023-0031-PS-00 (International)

Aastra 6757i (57i) Resources

Datasheets & Brochures:
Aastra 57i Datasheet (PDF)
Aastra 57i Installation Guide (PDF)
Aastra 57i User Guide (PDF)