Firmware for GSC3510/3505 released as Beta



Dear Grandstream Customers,

Firmware for GSC3510/GSC3505 is now released as Beta. Here is the link to the release notes:

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.



I Have 10 extinctions
I need one of them (1012) to call only two extintions (1001)&(1002)
And also Receive calls only from those two extintions
So Can anyone Help me



You can set a whitelist only for those 2 extensions and block the rest of the incoming calls to the GSC. By going to Web UI -> Calls -> Blacklist/Whitelist/Greylist -> Whitelist.

Thank you,