User guide

Welcome
DT412/DT422/DT4324
Welcome
Welcome to the User Guide for the Aastra DT412, DT422 and
DT432 cordless phones. This guide describes the available
features of the telephones when they are connected to Aastra
MD110 or Aastra MX-ONE™.
The functions and features available with these telephones are
designed for easy use in all different telephone handling
situations.
Depending on the version and configuration of the exchange that
your telephone is connected to, some of the functions and
features that are described in this user guide may not be
available. There may also be some differences in the way your
telephone is programmed. Please consult your system
administrator if you need further information.
Some markets use differing codes for some features. In this
guide they are described using the most common code.
The latest version of the user guide can be downloaded from:
http://www.aastra.com