Dear Grandstream Customers,
Firmware 1.0.4.10 for DP750/DP720/DP760 is now released as official. Here is the link to the release notes:
http://firmware.grandstream.com/Release_Note_DP750_DP720_DP760_1.0.4.10.pdf
The firmware and release notes can be downloaded from: http://www.grandstream.com/support/firmware
Please contact us should you have any issues. Thank you for your support for Grandstream products.
Technical Support
Grandstream Networks, Inc.