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    Which ports need to be open to use Skype for Windows desktop?

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    For Skype to work correctly, the following ports need to be open in your firewall:

    • 443/TCP
    • 3478-3481/UDP
    • 49152-65535/UDP + TCP

    If your firewall restricts access to these ports, you will need to update your firewall settings before you can use Skype.

    No emergency calls with Skype
    Skype is not a replacement for your telephone and can't be used for emergency calling