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Aastra Dialog 4425 IP Vision Telephone

The Aastra 4225 IP is a fully duplex business telephone. There are 10 fixed function keys and 10 programmable function keys with LEDs, the LCD backlit display makes it easy to access and customise these features.

Handsfree working is available through headset compatibility and speakerphone mode. Industry leading duplex and ACE technology provides outstanding audio quality while ASP will protect your hearing from sudden audio spikes.

The 4225 IP is versatile – it will fit many environments and satisfy all user needs.

Availability: In stock

ex VAT £115.00 inc VAT £138.00

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Product Description

Aastra 4425 IP Details and Specification

  • Features a six-row adjustable graphical display
  • 23 keys with LEDs
  • 4 Soft keys and 3 Navigation keys
  • 2-port Ethernet switch (to share a LAN cable/port with a PC)
  • Full duplex hands-free speaking with Acoustic Echo Cancellation (AEC)
  • Headset port (with dedicated headset switching key)
  • Power over LAN support (according to IEEE 802.3af)
  • WAP browser with access to WAP portals (D.N.A central directory)
  • Web server (for PC based management of the telephone via a Web browser)
  • Local call list and phone book
  • Multi-codec support
  • Multi-language support
  • QoS support (incl.QoS statistics available via WEB browser)
  • Hearing-impaired support with amplification (+6dB)
  • Acoustic shock protection

Additional Information

Aastra 4425 IP Information

Manufacturer Part # 4425IP

Aastra 4425 IP User Manuals and Datasheets

View PDF of Aastra Dialog 4425 IP Vision Telephone User Guide Aastra Dialog 4425 IP Vision Telephone User Guide    Size: (1500 KB)
View PDF of Aastra Dialog 4425 IP Vision Telephone Quick Reference Guide Aastra Dialog 4425 IP Vision Telephone Quick Reference Guide    Size: (135 KB)

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