If your environment requires you to allow Slack's required domains, make sure you approve *.m.chime.aws. If you’d like, you can limit access to a specific IP range: 99.77.128.0/18.This is required for huddles and calls to function, even if outbound traffic to UDP/22466 is allowed for media transport. Otherwise, huddles and calls will use TCP/443 for media transport (video and audio). Check that your network is set up to allow outbound traffic to UDP/22466.If you're experiencing connection errors, you (or someone from your company's IT team) may need to adjust your outbound connection settings: Huddles or calls connection problems may also be caused by an issue with your firewall. Tip: If you can't connect to Slack at all, visit Troubleshoot connection issues for help. If you can start huddles or make calls from your mobile device with data but not Wi-Fi, that most likely indicates an issue with your network.

If you can connect, there may be an issue with your computer, like an anti-virus software blocking the connection. If you can't connect from the desktop app or browser, try starting a huddle or call from the Slack mobile app on the same Wi-Fi network.If you're having trouble with huddles or calls on the desktop app, open your workspace in Google Chrome and try starting a huddle or making a call.Make sure you're on the latest version of the Slack desktop or mobile app.If Slack is unable to establish a huddle or call connection, try these options to narrow down the source of the connection issues: Reset your router by turning it off and back on again.Ĭonnection issues Resolve connection issues.Switch to a wired connection if possible, or move closer to your Wi-Fi router.

Run a speed test to double-check that your device's bandwidth meets our requirements.If your bandwidth meets or exceeds our requirements and you're experiencing issues with huddle or call quality, audio cutting in and out, or lag, try one of these options: *Requirements are the same when screen sharing Your experience with huddles and calls depends on the strength of your network connection and your bandwidth: Type of huddle or call Note: The audio, video and screen sharing test is only available from the Slack desktop app and Slack in Chrome. Check that your preferred speaker, microphone and camera devices appear in the drop-down menus, then click Start test.Below Troubleshooting, click Run an audio, video and screensharing test.

Click Audio & video in the left-side column.

From your desktop, click your profile picture in the top right.

Slack enable screen share mac