Dear Grandstream Customers,
Firmware 1.0.5.12 for GSC3570 is now released as Beta. Here is the link to the release notes:
http://firmware.grandstream.com/BETA/Release_Note_GSC3570_1.0.5.12.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.