PRECAUTIONS
• Do not attempt to open, disassemble, or modify the device.
• Do not use a third party power adapter.
• Do not expose this device to temperatures outside range of -10 °C to +60 °C.
• Do not expose the HT812 to environments outside of the following humidity range: 10-
90% RH (non-condensing).
• Do NOT power cycle the HT812 during system boot up or firmware upgrade. You may
corrupt firmware images and cause the unit to malfunction.
PACKAGE CONTENTS
The HT812 is not pre-configured to support or
make emergency calls to any type of hospital, law
enforcement agency, medical care unit (“Emer-
gency Service(s)”) or any other kind of Emergency
Service. You must make additional arrangements
to access Emergency Services. It is your responsi-
bility to purchase SIP-compliant Internet telephone
service, properly configure the HT812 to use that
service, and periodically test your configuration to
confirm that it works as you expect. If you do not do
so, it is your responsibility to purchase traditional
wireless or landline telephone services to access
Emergency Services.
GRANDSTREAM DOES NOT PROVIDE CON-
NECTIONS TO EMERGENCY SERVICES VIA
THE HT812. NEITHER GRANDSTREAM NOR
ITS OFFICERS, EMPLOYEES OR AFFILIATES
MAY BE HELD LIABLE FOR ANY CLAIM, DAM
-
AGE, OR LOSS. YOU HEREBY WAIVE ANY
AND ALL SUCH CLAIMS OR CAUSES OF AC-
TION ARISING FROM OR RELATING TO YOUR
INABILITY TO USE THE HT812 TO CONTACT
EMERGENCY SERVICES, AND YOUR FAILURE
TO MAKE ADDITIONAL ARRANGEMENTS TO
ACCESS EMERGENCY SERVICES IN ACCOR
-
DANCE WITH THE IMMEDIATELY PRECEDING
PARAGRAPH.
1 x Ethernet Cable
1 x Quick Installation Guide
1 x GPL Statement
1 x 12V Power Adapter
1 x HT812
1
2
EN
12
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