Provisioning the Grandstream IP Phone For VirtualPBX
Factory reset & configure Grandstream phones and devices (current models) : Initiatel Support Center
Upgrage via web gui, No local tftp/http servers | Grandstream GXP2130 Administration Guide User Manual | Page 79 / 85
GXP1400 IP Phone User Manual Grandstream Networks,
Manually Provision the Legacy and EOL Grandstream via the web interface
Software upgrade & customization, Firmware upgrade through tftp/http, Key pad menu | Grandstream Networks GXP1400 User Manual | Page 35 / 37 | Original mode