4. FAQ
1. Q: I pressed the touch button, and the indicator turned on, but the VTO did not start a
call?
A: Please check your operation process.
2. Q: How to end a call when I am calling?
A: Please press button on VTO and there will be sound from the device.
3. Q: The device could not boot up and there was no sound or light.
A: Please check if power supply is well plugged.
4. Q: My call did not go though.
A: It is network connection error; please check the cables of the device and its
extension.
5. Q: VTO did not respond after I swiped IC card.
A: Please check if your card is authorized.
6. Q: It says the card is invlid.
A: Please contact the administrator for confirmation.
7. Q: I heard a beep sound when I swiped IC card, but the door did is still locked.
A: Please check if your card is authorized.
8. Q: I have other problems not included above.
A: Please contact technical staffs for assistance.
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