Access Edge
The Access Edge role serves as the core of the Edge Server and is responsible for all of the signaling functionality. Without the Access Edge role deployed, the Web Conferencing Edge and A/V Edge roles cannot function. The Access Edge also serves a few distinct purposes including remote access, federation, and Public IM Connectivity.
Remote Access
One function of the Access Edge Server is to provide remote access capabilities to a Lync Server infrastructure. After an internal deployment of pools is complete, an Access Edge Server can be provisioned to enable users to sign in and use their endpoints across the Internet.
As long as the appropriate SRV records exist in DNS or the client is manually configured correctly, a user can travel ...
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