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15
▪
Go to MAINTENANCE
→
UPGRADE
→
GUI Customisation File on the
Grandstream
phone’s
Web GUI.
▪
Tap on BROWSE under UPLOAD GUI
CUSTOMIZATION FILE and select the
file matching the phone:
▪
GXV3350:
gxv3350cust
▪
GXV3370:
gxv3370cust
▪
GXV3380:
gxv3380cust
▪
The files come with this manual.
▪
Allow up to 5 minutes for the phone to
process the file and automatically
restart.
Customisation File
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