UCM61xx Release Notes


1. Backup your data including configuration before firmware upgrade is recommended.

2. For UCM61xx on 1.0.14.x, please upgrade to directly.

3. For UCM61xx on firmware lower than 1.0.14.x, please follow upgrading instructions in UCM61xx release note to upgrade to first, then upgrade to

4. After upgrading successfully, please clear cache or refresh you UCM web page in your web browser before configuring UCM again.

5. This firmware has fixed a backup issue on firmware which causes backup failure when CDR has lots of data. If your UCM is on and cannot create backup file, please ues a backup file from 1.0.14.x or contact Grandstream tech support for assistance.



UCM61xx Release Firmware

UCM61xx User Manual for Firmware 1.0.15.x