
  | Topcom Butler 4812 USB VoIP  | |
1  | Installation | 6  | 
1.1  | Base  | 6  | 
1.2  | Charger (only in Twin, triple or quattro pack)  | 6  | 
1.3  | Handset  | 6  | 
2  | Keys/LED | 7  | 
3  | Display (LCD) | 8  | 
4  | Handset operation | 9  | 
4.1  | Setting the language  | 9  | 
4.2  | Making PSTN Calls  | 10  | 
4.3  | Receiving a PSTN Call  | 11  | 
4.4  | Activate/deactivate handsfree function  | 12  | 
4.5  | Transferring a call to another handset  | 12  | 
4.6  | Out of Range Warning  | 12  | 
4.7  | Setting the speaker volume  | 12  | 
4.8  | Call Duration Indicator on the display  | 13  | 
4.9  | Turning off the microphone (mute)  | 13  | 
4.10  | Pause key  | 13  | 
4.11  | Conference call (two internal DECT handsets and one external caller)  | 13  | 
4.12  | Locating a misplaced handset (paging)  | 13  | 
4.13  | Using the alphanumeric handset keypad  | 14  | 
4.14  | The Phone Book  | 14  | 
4.15  | Switch the handset ON/OFF  | 15  | 
4.16  | Setting the ring volume level on the handset  | 16  | 
4.17  | Setting the ringer melody on the handset  | 16  | 
4.18  | Setting the ring volume and melody of the base  | 17  | 
4.19  | Locking the key pad  | 18  | 
4.20  | Turning key click ON/OFF  | 18  | 
4.21  | The R key (flash)  | 18  | 
4.22  | Changing the PIN code  | 19  | 
4.23  | Subscribing a handset to a B24xx, 28xx, 29xx, 32xx, 40xx, 46xx, 48xx  | 19  | 
4.24  | Subscribing Butler 4812 handset on another base (other brand/model)  | 20  | 
4.25  | Removing subscription of a handset to a base unit  | 21  | 
4.26  | Selecting a base unit  | 21  | 
4.27  | Barring outgoing calls  | 22  | 
4.28  | Direct Call  | 23  | 
4.29  | Default settings (reset) of the parameters  | 23  | 
4.30  | Complete reinitialisation of the telephone  | 24  | 
4.31  | Setting the handset dialling mode  | 24  | 
5  | Caller ID/CLIP | 24  | 
5.1  | Setting the date and time  | 25  | 
5.2  | The Call List  | 25  | 
5.3  | Calling a number from the Call List  | 26  | 
5.4  | Storing a number from the Call List in the Phone Book  | 26  | 
5.5  | Deleting numbers from the Call List  | 26  | 
6  | Voice mail indicator | 27  | 
ENGLISH
Topcom Butler 4812 USB VoIP  | 3  |