Aastra 53i

Exceptional Features and Value in a Featured IP Telephone.

The 53i from Aastra 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 53i 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 53i is ideally suited for light to regular telephone requirements.

  • Up to 9 call appearance lines
  • Full-Duplex Speakerphone
  • 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) with call pickup / intercept
  • 2 x 10/100 Ethernet Ports (built in switch)
  • AC Power Adaptor
  • IEEE 802.3af Power over Ethernet (POE) support
  • Integrated HTTP / HTTPS web server for easy configuration

Manufacturers Datasheet Datasheet PDF

Series 3


Series 5


Wireless Series


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"An entire site installed & working within 2 days with more features and flexibility than any of our existing systems and around half the cost we were quoted for other systems with less features, coupled with the call savings make this the best telephone system we have ever seen."

Mark Davies

Seddon Group