Video Collaboration System(MS4) Firmware Download

Release Date: 2022-05-24 Version4-0.7.2211

  • UpdateAdded to support KiloLink Server Free for centralized management, allow customers to upgrade firmware, check status, restore factory settings and other functions locally and remotely.

Release Date: 2021-08-10 Version: 0.7.2203


  • Update to support RTP-TS.
  • Fix the bug of image overlay.

Release Date: 2021-06-29 Version: 0.7.2201


  • Optimize previewing function;

Release Date: 2021-06-21 Version: 0.7.2200


  • Support decoding H264/H265 streams simultaneously.
  • Update to support audio compensation to solve the audio and video synchronization for network streams. You can set up audio compensation for added network streams, positive for delay audio and negative for advanced audio.
  • Update to support voice intercom by bi-directional intercom between encoders and decoders or by directly connecting the device with your computer or smartphone.

Release Date: 2021-06-18 Version: 0.6.2148


  • Support video source preview (except video source in H265 format or containing B frame).
  • Supports picture preview and video preview, and the "preview" window supports up to 16 streams can be displayed.
  • Supports decoding NDI-HX.
  • TS-UDP protocol supported.
  • Supports RTMP Server function.
  • Supports RTMP Server function.
  • Supports decoding HTTPS.
  • Supports stream ID in SRT protocol.
  • Fixed the problem that the device cannot connect to the system when the two SRT streaming configured with same ports.
  • Optimized audio and video synchronization.
  • Optimized NTP time adjustment.
  • Fixed character overlay.
  • Optimized the problem that the discovery server cannot be used when decoding.

How can we help?