Ericsson DIALOG 4223 PROFESSIONAL - MANUAL 2 User Manual page 117

Accessories
Extra handset (optional)
The extra handset is used in parallel with the ordinary handset
allowing another person to listen to an ongoing call. The extra
handset is connected to the headset outlet under the phone, see
section "Installation" on page 120.
It is possible to switch between the speaking party and the listening
party.
Í
Press to switch between the speaking and listening party.
Pull-out leaf (optional)
The pull-out leaf is used for a personal telephone number list and is
installed under the phone. How to install the pull-out leaf, see
section "Installation" on page 120.
Use the DCM (Designation Card Manager) to make and print your
own card for the pull-out leaf. DCM is included on the Telephone
Toolbox CD for MD110 Communication System or it can be
downloaded from: http://www.ericsson.com/enterprise/library/
manuals.shtml
For more information, please contact your Ericsson Enterprise
certified sales partner.
Dialog 4223 Professional/Dialog 4225 Vision 117