Your firewall settings should allow outbound traffic as specified in the following list:
Also you must add all the IP addresses listed in the following pages to your allowlist: If your agents use VPN clients, you must also add *.nexmo.com to your allowlist; failure to do so may result in agents not being able to use WebRTC. Where relevant, you must also add *.nexmo.com to the VPN's proxy bypass list and then restart your agents' clients.
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