Grandstream GXV3275 IP Phone Firmware 1.0.3.6

ENHANCEMENT:

- Adjusted Handset TX performance
- Enlarged the headset mode icon on the status bar
- Optimized the audio performance
- Added the Headset Key Mode feature on the Web UI
- Added DHCP Option 160 feature
- Updated the Extension Board (GXP2200EXT) firmware version to 1.0.0.23

BUG FIXES:

- Fixed the second incoming call affects the first session under EHS headset mode
- Fixed AEC Queue Empty issue and improved AEC
- Fixed the issue that the ringtone will route from HDMI channel to the local speaker channel when it is timeout
- Removed the settings “Accept Call and Speaker Dial in RJ9 Headset Automatically”, “Handset Gain” from WebUI
- Fixed the issue of no ringing through EHS headset on incoming call
- Fixed one-way audio issue if the RJ9 headset gain settings changed several times