Thank you for purchasing Grandstream GXP1620. Make sure and acknowledge that you have read this manual before
using GXP1620.
Disclaimer
• This document is subject to change without prior notice.
• A possibility of noise, broken voice, or disconnection may occur because of customers’ or our network
environment. We cannot guarantee the quality of voice.
• The company assumes no responsibility on the difference of call or voice quality when the hearing acuity of
individuals is concern.
• The company assumes no responsibility when it was used outside Japan.
• As for GXP1620 regular server maintenance, you may experience temporarily service stops without prior notice.
• Don’t use wet clothes.
• Don’t use volatile chemicals like benzene, or thinner since they can damage the device. If you want to use a
chemical wipe, please read the cautionary notes before using it.
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