Aastra 6757i / 57i

Corded Phone (VoIP)

Availability: In Stock

Factory Serviced Includes One Year Warranty

Returnable Item: 30 Day Guarantee i


  • Technical Features

Technical Features for Aastra 6757i / 57i

Item # A1757-0131-10-01
The Aastra 6757i offers powerful features and flexibility in a standards based, carrier-grade advanced level expandable IP telephone. With a sleek and elegant design and large graphical backlit LCD display, the 6757i is fully interoperable with leading IP Telephony platforms.

This system offers advanced XML capability, so you can access custom applications and support up to 9 calls simultaneously.

Factory Information:
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6757i Features:
  • Corded Voice Over IP Phone
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • Hi-Q™ Audio Technology
  • XML Browser
  • Up to 9 Call Appearance Lines
  • Caller ID / Call Waiting
  • Modular Headset Connector With Built-In Amplifier
  • Expandable Up To 3 Modules
  • Hearing Aid Compatible
  • 144x128 Graphical LCD Display
    Soft White Backlight For User Comfort In Any Lighting Environment
  • Digital Duplex Speakerphone
  • LED For Call & Message Waiting Indicator
  • Phone Directory / Dialer
  • Call Log
  • 3-Way Conferencing
  • Call Forwarding
  • Missed Call Indicator
  • Wall Mountable/Mount Included
  • Intercom
  • Call Transfer
  • Paging Key
  • Auto Answer
  • Redial
  • Live Dialpad Option
  • Date / Time Display
  • Do Not Disturb
  • Call Timer
  • AC Powered (Adapter Included)
  • Integrated IEEE 802.3af
    Power Over Ethernet (PoE) Support
  • Multilingual Menu Support (English, French, Spanish, Italian, & German)
  • Distinctive Ringing
  • Multi-Proxy Support
  • Busy Lamp Field

VoIP Features:
  • Dual 10/100 Mbps Switched Ethernet Ports
  • Manual or DHCP IP Address Setup
  • Time / Date Synch Using SNTP
  • NAT, QOS, TOS, & Differentiated Services Code Point
  • Built-In HTTP/HTTPS Server
    For Web Administration & Maintenance
  • Voice Codec Support: G.711 µ-law / A-law, G.729
  • Protocols: IETF SIP (RFC3261 & Associated RFCs)

The 6757i IP Phone requires the following environment:
  • SIP-based IP PBX system or network installed and running with a SIP account created for the 6757i phone.
  • Access to a Trivial File Transfer Protocol (TFTP), File Transfer Protocol (FTP), Hypertext Transfer Protocol (HTTP) server, or Hyper Text Transfer Protocol over Secure Sockets Layer (SSL) (HTTPS).
  • 802.3af Ethernet/Fast Ethernet LAN
  • Category 5/5e Straight Through Cabling
  • Power over Ethernet (PoE) Inline Power Injector (Optional Accessory - Necessary Only if Your Network Provides No Inline Power & if You Do Not Use the IP Phone’s Power Adapter).

Expansion Phone Modules:
The Aastra 6757i/57i-R has many exciting features for users of all types. It's one of FactoryOutletStore's best selling . You can extend the lifetime of your Aastra 6757i/57i-R with the purchase of a FactoryOutletStore Factory Protection Plan. See the Aastra 6757i/57i-R product video and gallery images above for more details. FactoryOutletStore stocks a full line of accessories like 1 Port POE Injector, Coil Cord, and Phone Cord Detangler for the Aastra 6757i/57i-R. Feel safe about your purchase of a Factory Serviced Aastra 6757i/57i-R, knowing its been fully tested by FactoryOutletStore.