User guide

Welcome
BusinessPhone – Cordless DT412/DT4224
Welcome
Welcome to the User Guide for the Cordless phones DT412 and
DT422 of the BusinessPhone Communication Platform. The
BusinessPhone Communication Platform consists of
BusinessPhone Compact, BusinessPhone 50,
BusinessPhone 128i and BusinessPhone 250.
The features described in this User Guide are related to version 7.0
or higher of the BusinessPhone Communication Platform. Some
might not work in earlier versions of the system and/or might be
protected by a hardware dongle that has to be bought separately.
The latest version of this User Guide can also be downloaded from:
http://www.ericsson.com/enterprise/