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4400 IP Phones

Aastra 4400 IP Telephones

The Aastra 4400 range support Aastra's MX-ONE, MD Evolution and BusinessPhone Systems. They are easy to migrate, support the major voice codecs including wideband and security protocols including SRTP (Secure Real-time Transport Protocol) and signalling with TLS (Transport Layer Security).

The Phones support PoE as standard, which means you can do away with PSU if you have PoE on your system. This also allows you to keep power use to a minimum.

The well established Aastra Dialog 4400 Series comprise of 3 main variants. The entry level Dialog 4420 Basic give you access to the most basic features, the Dialog 4422 Office is the feature rich model as well as a display screen and the 4425 Vision model gives you everything you could need in a busy office including programmable buttons and a large screen with soft buttons.

The Office and Vision Phone can also be improved with the addition of an Add on Module (AOM) with extra key functions.

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  1. Aastra Ericsson Dialog 4420 IP Basic Telephone
    The Aastra 4420 Basic is an entry level IP telephone suited for non communications intensive environments such as office ...
    £84.00 £70.00
  2. Aastra Dialog 4425 IP Vision Telephone
    The Dialog 4425 IP Vision is a multi-featured IP phone supporting advanced system functions.
    As low as £138.00 £115.00
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