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Known Firmware Issues

View reported firmware issues and their verified fixes on the Known Issues page

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Troubleshooting & Fixes

R20K / R20A / R25K / R25A — Video issues
Fix available via AutoP · updated 7/16/2026

If your R20K, R20A, R25K or R25A door phone has video problems (no video, frozen, or choppy stream), apply the fix through Akuvox auto-provisioning (AutoP):
1. Log into the device web interface (its IP address, admin login).
2. Go to Upgrade → Advanced → Automatic Autop.
3. Click AutoP Immediately (or set the schedule) so the device pulls the update, then let it reboot.

Fix values applied via AutoP:

# R20K / R20A / R25K / R25A video-fix AutoP configuration (7/16/2026)
Config.DoorSetting.RTSP.Enable = 1              # RTSP server on
Config.DoorSetting.RTSP.Authorization = 0       # authorization off
Config.DoorSetting.RTSP.AuthenticationType = 0  # Basic auth
Config.DoorSetting.RTSP.Audio = 0               # RTSP audio off
Config.DoorSetting.RTSP.H264Resolution = 1      # main stream = CIF
Config.DoorSetting.RTSP.H264BitRate = 256       # 256 kbps

Still seeing issues? Call/Text 917-977-1277 or WhatsApp us — we’ll walk you through it.
Full AutoP mapping reference →