Topcom Butler 4812 USB VoIP 35
Topcom Butler 4812 USB VoIP
ENGLISH
8 Trouble shooting
Symptom Possible cause Solution
No display Batteries uncharged Check the position of the
batteries
Recharge the batteries
Handset turned OFF Turn ON the handset
No tone Telephone cord badly
connected
Check the telephone
cord connection
The line is occupied
by another handset
Wait until the other handset
hangs up
The icon flashes
Handset out of range Bring the handset closer to the
base
The base has no power
supply
Check the mains connection
to the base
The handset is not
registered to the base
Register the handset to the
base
Base or handset
do not ring
The ringing volume is
zero or low
Adjust the ringing volume
Tone is good, but
there is no
communication
The dialling mode is
wrong
Adjust the dialling mode
(pulse/tone)
Telephone does not
react to pressing
the keys
Manipulation error Remove the batteries and
but them back in place
Keypad lock ON Turn OFF the Keypad Lock
Flash (R) Key does
not work
Wrong Flash time Change the flash time
No audio for PC calls in
the DECT phone
The audio device for Speech is
not set correct in Windows to
‘USB phone’ or ’C-media USB
headset’
Go to ‘Control panel’, and select
’Audio and sound devices’ ->
select ‘Speech’ -> make sure both
playback and voice recording are
set to ‘C-media USB headset’
The Skype application doesn’t use
the telephone as audio device
Open Skype and select ‘Tools’
-> ‘Options’. At the ‘Privacy’
settings, select ‘manage other
programs access skype’ and
make sure only Butler 4812 is
shown in the list