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

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Reverse Proxy Planning

A critical piece in planning for Edge services is the reverse proxy. Unfortunately, this tends to be overlooked or considered a secondary task, even though it provides some important functionality to a deployment. Without a reverse proxy the following features will not work:

• Lync Mobile clients

• Address book download

• Distribution group expansion

• Web conferencing content such as whiteboards, uploaded presentations, and document sharing

• Device updates

• Dial-in conferencing page

• Simple meet conferencing pages

The first item might be a bit of a surprise, but the mobile clients for Lync use HTTPS web services to encapsulate the SIP signaling information. Organizations that neglect planning for a reverse proxy are ...

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