User's Manual
GXP1610/GXP1620/GXP1625/GXP1628/GXP1630 User Guide Page 5 of 42 
DOCUMENT PURPOSE 
This  User  Guide  describes  the  basic  concept  and  tasks  necessary  to  use  and  configure  your 
GXP1610/GXP1620/GXP1625/GXP1628/GXP1630. This document covers the topics of phone installation, 
making basic calls and using basic call features.  
To learn the advanced features and configurations, please visit http://www.grandstream.com/support to 
download the latest "GXP1610/GXP1620/GXP1625/GXP1628/GXP1630 Administration Guide". 










