IP Phone User Manual
GRANDSTREAM GXP21XX/GXV3140/GXV3175 SERIES PHONES  20-BD5320-00 
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2011 GRANDSTREAM  PAGE 14 OF 45 
4  GXP21xx/GXP14xx/GXV31xx Configuration 
Grandstream GXP21xx/GXP14xx/GXV31xx can be configured via web GUI as well as via 
the Configuration File through TFTP or HTTP/HTTPS. 
The GXP21xx/GXP14xx/GXV31xx accepts configuration files in XML format in addition to 
the legacy proprietary binary format. 
When Grandstream device boots up or reboots, it issues a request for a configuration file 
named “cfgMAC.xml”, where “MAC” is the MAC address of the device, for example 
“cfg000b820102ab.xml”. The configuration file name should be in lower case. 
The following examples describe how to set the parameters using a configuration file. The 
GXP21xx/GXP14xx/GXV31xx should be configured to load the configuration file each time 
it resets or re-synchronizes. For detailed information on automated provisioning, see the 
GXP21xx/GXP14xx/GXV31xx User Manual [1] and th
e Grandstream XML Provisioning 
Guide [6]. 
The 
capabilities of the GXP21xx/GXP14xx/GXV31xx have been verified for use with 
BroadWorks based on the settings described in the following table. For more information 
on the meaning, purpose, and applicability of the individual configuration items see the 
GXP21xx/GXP14xx/GXV31xx Configuration Tool and Template [7]. 
Co
nfiguration Files 
Files Provided by Partner  Level  Description 
cfgMAC.xml 
Example: cfg000b82000000.xml 
System and 
Subscriber 
Contains configurable parameters that 
apply to an individual device in a 
deployment. 
Configuration Template 
Example: 
gxp21xx__gxp1450_config_1.0.1.39.txt 
gxv3140_config_1.0.7.3.txt 
gxv3175_config_1.0.1.4.txt 
System and 
Subscriber 
Contains a complete list of 
configurable parameters that apply to 
an individual device in a deployment. 










