Vuforia Chalk Network Troubleshooting

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Network Connectivity:

• Run below test to determine if there is an issue with your network blocking access to resources Chalk needs
• https://networktest.twilio.com/
• Ensure that below ports are open:
• HTTPS: 443
• UDP: 10,000 - 60,000
•  Some corporate networks may block UDP in their network configuration, which may prohibit use of Chalk within that network.

• A/V signaling communication, media relay servers, and additional connectivity requirements can be found here: https://www.twilio.com/docs/video/ip-address-whitelisting#media-servers

Call Quality:

•  2.8 Mbps + is recommended for best quality
• At or below 0.5Mbps may result in poor call quality
• Remote users should enable 'low bandwidth mode' within call
• This enables remote users to still view high quality images with a slight delay from the Local user
• Ensure that devices used for Chalk are supported
• See https://chalk.vuforia.com/content/vuforia-chalk/en/download-chalk.html for a list of all current support devices

For Chalk Best Practices, see our Chalk Tech Tip.