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Topcom Butler 4812 USB VoIP 7
Topcom Butler 4812 USB VoIP
ENGLISH
Battery indicator:
• The battery is fully charged.
• The battery is half drained (50%)
• The battery is low. When the battery is low, you will hear warning signals and the
battery symbol on the display will blink.
2Keys/LED
HANDSET
1. Display
2. PC/VoIP key
3. Up/Call log key /
4. Handsfree key
5. Programming key/INT key
6. Line key
7. Redial/Pause key
8. Microphone
9. Volume/Ringer key /
10. Alphanumeric keys
11. Delete/Mute key/Escape key
12. Down/Flash key /R
13. */Phonebook key
BASE
14. Paging key
15. Line/Charge indicator (LED)
/OK
VoIP
/
EscINT
1
11
8
4
10
6
3
7
9
13
2
5
12
/P
1415