Aastra’s Dialog 4200 series of digital telephones com-
bines excellent sound quality with superior ergonomics
and outstanding features. In addition, users benet from
advanced technical implementations such as built-in
acoustic shock protection and hearing-impaired support.
Digital telephones have from the start been developed as
an integral part of Aastra’s communication systems. The
functionality of these telephones has grown in parallel with the
development of the call servers. Today the digital telephones
are fundamental components in the creation and the delivery
of telephony services to users within the organization, as well
as to users outside of the organization. Through deployment
of digital telephones in combination with the Aastra call
server, the full power of Aastra’s communications server
can be achieved. As users have dierent jobs and thereby
dierent communication needs, Aastra provides a range of
telephones in order to match demands on functionality, size,
price and design. No matter which telephone you choose,
the Aastra design assures high quality and top performance.
Models
Dialog 4220 Lite
Dialog 4222 Oce *)
Dialog 4223 Professional *)
Dialog 4224 Operator
Dialog 4225 IP Vision *)
*) Supports extra key panel
Aastra Dialog 42
00
Digital Telephones
Highlights
Support for all major voice compression codecs for
bandwidth saving
Elegant design and superior ergonomics
Compliance with environmental standards
Easy operation and maintenance
Firmware upgradable from the PBX enabling upgrade of
new functionality
User mobility (free seating)
Support for Aastra MX-ONE, BusinessPhone and MD
Evolution telephony systems
Speaker for monitoring calls and listening to telephony
services (for example, interactive voice systems, news and
weather forecasts)
Equipped with hearing aid support and acoustic chock
protection
Powered by the telephone line, no need for additional
power adapters
Compliant with the EU directive for RoHS (Restriction of
Hazardous Substances)
Dialog 4222 - Oce
Dialog 4220 - Lite
Dialog 4223 - Professional
Dialog 4224 - Operator
Dialog 4225 - Vision
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