8trouble shooting – Topcom Butler 4812 USB VOIP User Manual

Page 35

Topcom Butler 4812 USB VoIP

ENGLIS

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

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