Dear Grandstream Customers,
Firmware 1.0.1.18 for GSC3510/GSC3505 is now released as Beta. Here is the link to the release notes:
http://firmware.grandstream.com/BETA/Release_Note_GSC3510_GSC3505_1.0.1.18.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.