![background image](http://html1.mh-extra.com/html/steren/com-240/com-240_instruction-manual_1373969015.webp)
7
7
7
7
TROUBLESHOOTING
Speci
fi
cations and design are subject to change without previous notice.
Trouble
Solution
No sound
Check the phone is well connected to USB
port
Raise Volume level
Cannot make a call
Con
fi
gure or install your IP / IM software
Set security parameters
Buy credit
Change your username or paswword
Wrong functioning
Try after pressing NO button for 10
seconds
Disconnect and reconnect the phone into
the USB port
Restart the computer