Aastra 6753i / 53i

Corded Phone (VoIP)

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  • Technical Features

Technical Features for Aastra 6753i / 53i

Item # A1753-0131-10-01
The Aastra 6753i offers powerful features and flexibility in a standards based, carrier-grade basic level IP telephone. With a sleek and elegant design and 3 line LCD display, the 6753i is fully interoperable with leading IP Telephony platforms, offering advanced XML capability to access custom applications and support for up to 9 calls simultaneously.

Factory Information:
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6753i 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
  • 3-Line LCD Display
  • 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 6753i IP Phone requires the following environment:
  • SIP-based IP PBX system or network installed and running with a SIP account created for the 6753i 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).

Part of the Aastra 5i Series of IP telephones, the 6753i is ideally suited for light to regular telephone requirements.

Expansion Phone Modules:
The Aastra 53i 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 53i with the purchase of a FactoryOutletStore Factory Protection Plan. See the Aastra 53i product video and gallery images above for more details. FactoryOutletStore stocks a full line of accessories like Coil Cord and Phone Cord Detangler for the Aastra 53i. The Aastra 53i is sold as a Brand New Unopened Item.