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

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Media Transcoding Gateways

Another approach to integrating with Lync is to use a media transcoding gateway. This gateway typically works in conjunction with a signaling gateway to provide additional capabilities, such as the capability to transcode different codecs between two endpoints. For example, a third-party endpoint can send 720p H.264 video to the media transcoding gateway while a Lync endpoint can send 720p RTVideo to the same gateway. The media transcoding device then transcodes, or converts, the streams to the appropriate formats for each endpoint. The endpoints do not communicate directly in this scenario, so the third-party endpoints maintain an H.264 peer-to-peer conversation with the gateway, and the Lync client maintains an RTVideo ...

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