O'Reilly logo

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

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Edge Traversal and More

Native registration to Lync also allows for additional features to be used, such as STUN/TURN and secure RTP media encryption. The signaling gateway scenario usually only allows for calls to work within the internal network. Since the signaling gateway does not register to a Lync Edge Server, no remote or relay candidates are presented during the media negotiation phase, and the calls will fail if a remote Lync user has not connected a VPN before calling a third-party system.

With native registration the third-party endpoint will receive MRAS credentials from the Lync Edge Server and present remote and relay candidates when participating in Lync calls, enabling remote users to seamlessly connect without VPN.

Additionally, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required