Ericsson 4220 User Manual

Welcome

4

Welcome

Welcome to the user guide for the Dialog 4220 Lite and Dialog 

4222 Office system telephones in the Ericsson MD110 

Communication System. It is a state-of-the-art business 

communications system. Its alliance of features and facilities 

effectively improves communications for virtually any kind of 

organization.
There is a line of telephones designed for easy use in every 

situation to take full advantage of these advanced features and 

facilities.
Function descriptions that do not include speaking in the handset, 

are described off-hook, if nothing else is stated. Instead of pressing 

the Clear key, you can always replace the handset.
Some markets use differing codes for some functions. In this guide, 

all functions are described using the most common code. The 

markets and their differing code is shown as a side note.
The user guide describes the facilities of the Dialog 4220 Lite and 

Dialog 4222 Office system telephones as they are programmed at 

delivery from the factory. There may be some differences in the way 

your phone is programmed. Please consult your system 

administrator if you need further information.
The latest version of this user guide can also be downloaded from:

If you would like to practise the handling of the phone, you can try 

the “Ericsson Enterprise End User Training On Telephones”, 

available at:

.

To start practising, select the option “Ericsson Enterprise 

eLearning”, and then select your type of phone.

Note Dialog 4220 Lite and Dialog 4222 Office are system