Grandstream HT802 ATA Firmware 1.0.23.5

ENHANCEMENT

- Added support for more than 2 layers certificate chain loading. Expanded max length of P8472 from 4096 to 8192.
- Added Special Feature IZZI to support N-Way conference hosted on Nokia IMS.
- Added support for “DNS SRV Failover Mode”. [DNS SRV FAILOVER MODE]
- Added support of “Register Before DNS SRV Failover”. [REGISTER BEFORE DNS SRV FAILOVER]
- Added support for “Offhook Auto-Dial DTMF”. [OFFHOOK AUTO-DIAL DTMF]

BUG FIX

- Fixed with option 43, device could not upgrade via FTPS.
- Fixed when upgrade via HTTPS, if server returns more data than requested in partial content, the provision will fail.
- Fixed the device obviate the T flag on dial plan.
- Fixed when Internet Protocol set to Both, prefer IPv6, device does not send registration after changing the sip transport from TCP to UDP.
- Fixed “Automatic Upgrade” does not take effect as configured.
- Fixed when STUN is used, device may fail to resolve the host name of STUN server and resulting
- in calls failure.

KNOWN ISSUES

- Device will crash when downgrade to firmware 1.0.21.4 or lower version via GDMS platform

About VoIP System Updates:

Firmware updates for VoIP Systems are very complex and usually contain many bug fixes, security improvements and compatibility enhancements, because the base system must be able to connect to webcams, video conference devices and the like.

Upgrading your VoIP System firmware should be done as often as possible to keep your device up to date with new security standards, and improve the native plug and play capabilities of your device.

Although beta firmware are usually full of new and exciting features, updating to them should only be done after thoroughly reading the changelog and making sure that you still retain phone functionality. Remember to check if you can revert to a more stable version as well, in case the new update is not what you were expecting.

If you intend to apply this update, please make sure that the package is compatible with your VoIP System, hit the download button, follow the installation instructions and enjoy. Check out our website as often as possible in order to keep your device “Updated one minute ago.”