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Microsoft® Lync® Server 2013 Unleashed Second Edition by Randy Wintle, Alex Lewis, David Ross, Tom Pacyk

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Lync Web App Port Requirements

Lync Web App is a web application that communicates over HTTPS. By default, this traffic is over port 443 TCP and is secured with certificates. Administrators can adjust this port if desired.

Tip

Although Lync Web App communicates only over 443 TCP for web traffic, the A/V plugin communicates directly with the Conferencing Server or Edge Server using standard media ports. Keep this in mind when planning your Lync Web App deployment.

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