In order to use our myViewBoard Ecosystem, including our companion apps, properly on your network, please contact your IT department and ask them to do the following:


Make sure to open these ports to all the firewall restrictions.

Here are the firewall setting requirements:

  1. TLS on port 443 or TCP(encrypted relay) over port 80 bidirectional.
  2. The UDP and TCP listening port requires a 3478 bidirectional
  3. The STUN servers, a 19302 is optional but strongly recommend
  4. For UDP, a 49152 - 65535 (RTP/sRTP/RTCP) bidirectional is recommended for p2p transmission
  5. The TLS and DTLS listening port requires a 5349 bidirectional
  6. Out-bound MQTT TCP port 8883

WebRTC protocol is actively used in screen sharing. Please make sure these ports are opened on your network firewall settings.