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

19
C4012 Handset Standard 2.00
Selecting a DECT system
There are two ways to select a DECT system:
1. Automatically: Press
PR4 and 0.
2. Manually: Press
PR4 and choose the DECT system number
(
1...5).
De-subscribing
De-subscription is only possible for non-active subscriptions. The last
subscription can be removed when out-of-coverage or by the DECT
management system.
Deleting a DECT system
Press PR5 and select the DECT system number (1...5).
Only non-active subscriptions can be deleted. The last subscription can be
removed when out-of-coverage or by the DECT management system.










