User's Manual
Table Of Contents
- GXP16xx User- DOCUMENT PURPOSE
- GNU GPL INFORMATION
- WELCOME
- PRODUCT OVERVIEW
- INSTALLATION
- GETTING TO KNOW GXP1610/GXP1620/GXP1625
- CONNECTING TO DEVICES
- RESTORE FACTORY DEFAULT SETTINGS
- EXPERIENCING THE GXP1610/GXP1620/GXP1625
 
- FCC Statement 15B
Firmware Version 1.0.0.11 
GXP1610/GXP1620/GXP1625 User 
Guide 
Page 13 of 31 
To set up the GXP1610/GXP1620/GXP1625, follow the steps below: 
1.  Attach the phone stand or wall mount to the back of the phone where there are slots; 
2.  Connect the handset and main phone case with the phone cord; 
3.  Connect the LAN port of the phone to the RJ45 socket of a hub/switch or a router (LAN side of the 
router) using the Ethernet cable; 
4.  Connect  the  5V  DC  output  plug  to  the  power  jack  on  the  phone;  plug  the  power  adapter  into  an 
electrical outlet. If PoE switch is used in step 3, this step could be skipped; 
5.  The LCD will display provisioning or firmware upgrade information. Before continuing, please wait for 
the date/time display to show up; 
6.  Using the keypad configuration menu or phone's embedded Web server (Web GUI) by entering the IP 
address in Web browser, you can further configure the phone. 
SAFETY COMPLIANCES 
The  GXP1610/GXP1620/GXP1625  phone  complies  with  FCC/CE  and  various  safety  standards.  The 
GXP1610/GXP1620/GXP1625 power adapter is compliant with the UL standard. Use the universal power 
adapter  provided  with  the  GXP1610/GXP1620/GXP1625  package  only.  The  manufacturer’s  warranty 
does not cover damages to the phone caused by unsupported power adapters. 
WARRANTY 
If the GXP1610/GXP1620/GXP1625 phone was purchased from a reseller, please contact the company 
where the phone was purchased for replacement, repair or refund. If the phone was purchased directly 
from Grandstream, contact the Grandstream Support for a RMA (Return Materials Authorization) number 
before the product is returned. Grandstream reserves the right to remedy  warranty policy without prior 
notification. 
 Warning: 
Use  the  power  adapter  provided  with  the  phone.  Do  not  use  a  different  power  adapter  as  this  may 
damage the phone. This type of damage is not covered under warranty. 










