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Grandstream Networks, Inc. BT-200 User Manual Page 31 of 35
Firmware 1.1.1.14 Last Updated: 12/2006
NOTE for TFTP/HTTP Firmware Upgrade:
1. When the BT–200 boots up, it will send TFTP or HTTP request to download configuration files.
There are two configuration files, 1) “cfg.txt” and 2) “cfg000b82xxxxxx”, where “000b82xxxxxx”
is the MAC address of the BT–200.
2. These two files are for initial automatic provisioning purposes only. If using a normal TFTP or
HTTP firmware upgrade, the following error messages in a TFTP or HTTP server log can be
ignored.
• TFTP Error from [IP ADRESS] requesting cfg000b82023dd4 : File does not exist
• TFTP Error from [IP ADRESS] requesting cfg.txt : File does not exist
No Local TFTP Server
For those who do not have a local TFTP server, Grandstream provides a NAT-friendly TFTP server on
the public Internet for firmware upgrade. Please check the Support/Download section of our website to
obtain this TFTP server IP address:
http://www.grandstream.com/y-firmware.htm. Each product has a
unique TFTP server address.
Alternatively, download and install a free TFTP or HTTP server to the LAN to perform firmware upgrades.
A free Windows version TFTP server is available:
http://support.solarwinds.net/updates/New-customerFree.cfm.
RESTORE FACTORY DEFAULT SETTING
WARNING: Restoring the Factory Default Setting will delete all configuration information of the phone.
Please backup or print all the settings before you restoring factory default settings. Grandstream is not
responsible for restoring lost parameters and cannot connect to your VoIP service provider.
Directions for Restoration:
Disconnect network cable and power cycle the unit before resetting factory default settings.
1. Find the MAC address of the device. It is a 12 digit HEX number located on the bottom of the
unit.
2. Press the MENU button for Key Pad Menu options.
3. Press the Up button to “reset”.
4. Enter the MAC address with alphabets and numbers.
5. Press the MENU button again
The BT–200 will reboot automatically and restore to factory default setting. The reset is finished when the
LCD stops flashing.