Grandstream Networks HandyTone-488 Cordless Telephone User Manual


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HandyTone-488 User Manual Grandstream Networks, Inc.
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environment if possible. 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 Service or Support section of Grandstream’s Web site to obtain this TFTP server’s
IP address.
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