IP Phone User Manual
Grandstream Networks, Inc.  GXP1400/1405 User Manual    Page 3 of 36 
   Firmware version: 1.0.1.83  Last Updated: 08/2011 
Welcome 
GXP1400/1405 is a next generation small-to-medium business IP phone that features 2 lines with 1 SIP 
account, a 128x40 graphical LCD, 3 XML programmable context-sensitive soft keys, dual network ports 
with integrated PoE (GXP1405 only), and 3-way conference. The GXP1400/1405 delivers superior HD 
audio quality, rich and leading edge telephony features, personalized information and customizable 
application service, automated provisioning for easy deployment, advanced security protection for 
privacy, and broad interoperability with most 3
rd
 party SIP devices and leading SIP/NGN/IMS platforms. It 
is a perfect choice for small-to-medium businesses looking for a high quality, feature rich IP phone with 
affordable cost. 
Caution: Changes or modifications to this product not expressly approved by Grandstream, or operation 
of this product in any way other than as detailed by this User Manual, could void your manufacturer 
warranty. 
Warning: Please do not use a different power adaptor with the GXP1400/1405 as it may cause damage 
to the products and void the manufacturer warranty. 
Note: 
•  This document is subject to change without notice. 
•  Reproduction or transmittal of the entire or any part, in any form or by any means, electronic or print, 
for any purpose without the express written permission is not permitted. 










