Grandstream Networks HANDYTONE 486 User Manual
Page 28
HandyTone-486 User Manual
Grandstream Networks, Inc.
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fails, etc), the HandyTone ATA will stop the TFTP process and simply boot using the existing code
image in the flash.
TFTP may take as long as 1 to 20 minutes depends on the networks’ connection to Internet, or just 20+
seconds if it is performed on a LAN environment. It is generally recommended to conduct TFTP
upgrade process in a controlled LAN environment if possible. For users who do not have local TFTP
server, Grandstream provides a NAT-friendly TFTP server on the public Internet, also an HTTP web
server (in the near future) for users to download the latest firmware and upgrade automatically. Please
check the Service or Support section of Grandstream’s Web site to obtain those servers’ IP addresses.