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HandyTone-386 User Manual Grandstream Networks, Inc.
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NAT-friendly TFTP server on the public Internet for firmware upgrade. Please check the Service
section of Grandstream’s Web site to obtain this TFTP server’s IP address.
NOTES:
• When HandyTone ATA boot up, it will send TFTP or HTTP request to download configuration
files, there are two configuration files, one is “cfg.txt” and the other is “cfg000b82xxxxxx”,
where “000b82xxxxxx” is the MAC address of the HandyTone ATA. These two files are for
initial automatically provisioning purpose only, for 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