Dear Grandstream Customers,
Firmware 1.0.1.7 for GXW4501/4502/4504 is now released as Beta. Here is the link to the release notes:
http://firmware.grandstream.com/BETA/Release_Note_GXW450x_1.0.1.7.pdf
The firmware and release notes can be downloaded from:
Please contact us should you have any issues. Thank you for your support for Grandstream products.
Technical Support
Grandstream Networks, Inc.