Installation Instructions
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 HT802 to environments outside of the following humidity range: 10-
90% RH (non-condensing). 
• Do NOT power cycle the HT802 during system boot up or rmware upgrade. You may 
corrupt rmware images and cause the unit to malfunction.
PACKAGE CONTENTS
The HT802 is not pre-congured to support or make 
emergency calls to any type of hospital, law en-
forcement agency, medical care unit (“Emergency 
Service(s)”) or any other kind of Emergency Service. 
You must make additional arrangements to access 
Emergency Services. It is your responsibility to pur-
chase SIP-compliant Internet telephone service, 
properly  congure  the  HT802  to  use  that  service, 
and  periodically  test  your  conguration  to  conrm 
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 
HT802. NEITHER GRANDSTREAM NOR ITS OF-
FICERS,  EMPLOYEES  OR  AFFILIATES  MAY  BE 
HELD  LIABLE  FOR  ANY  CLAIM,  DAMAGE,  OR 
LOSS. YOU HEREBY WAIVE ANY AND ALL SUCH 
CLAIMS OR CAUSES OF ACTION ARISING FROM 
OR RELATING TO YOUR INABILITY TO USE THE 
HT802  TO  CONTACT  EMERGENCY  SERVICES, 
AND YOUR FAILURE TO MAKE ADDITIONAL AR-
RANGEMENTS TO ACCESS  EMERGENCY SER-
VICES IN ACCORDANCE WITH THE IMMEDIATE-
LY PRECEDING PARAGRAPH.
1 x Ethernet Cable 1 x Quick Installation Guide 
1 x GPL Statement
1 x 5V Power Adapter
1 x HT802
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2
EN




