Handset User Guide
Table Of Contents
- Table of contents
- Important safety information
- Registering the C4012 handset
- C4012 handset features
- Using the C4012 handset
- Switching the handset on/off
- Locking/unlocking the keypad
- Switching speech monitoring on/off
- Changing the speaker and loudspeaker volume
- Muting the microphone and ringer
- Making a call
- Making a call from the last number redial list/caller list
- Making a call from the shortcut list
- Answering a call
- Transferring a call
- Conferencing
- Terminating a call
- Programming the C4012 handset
- Subscribing the C4012 handset
- Quick reference

8
C4012 Handset Standard 2.00
Initial Setup
Plug the charger into the electrical outlet.
Place the handset in the charger. Charging appears on the handset display.
Cleaning the C4012 handset
When cleaning the handset and charger, disconnect the charger from the
electrical outlet.
Wipe the handset and charger using an anti-static cloth, or a slightly
moistened soft chamois leather. Dry with a soft cloth.
Clean the charging contacts on the handset and charger with a lint-free cloth.
Registering the C4012 handset
Register the handset on the DECT system as described in “Subscribing the
C4012 handset” on page 18.
The handset can operate on up to five different DECT systems, if registered
on each system.
Caution
Never use cleaning agents or solvents on
the handset or charger.










