Invention Grant
US08973057B2 Method and equipment for providing unicast preparation for IPTV 有权
为IPTV提供单播准备的方法和设备

Method and equipment for providing unicast preparation for IPTV
Abstract:
A method for providing switching of a media session transmitted from a content server to a user equipment from a multicast to a unicast bearer. A preparation trigger recognised by the user equipment triggers a preparation phase wherein an application server prepares for an upcoming switch by re-configuring the media session and by providing the re-configuration data to the user equipment. Subsequent to the preparation phase, a second trigger triggers a release phase, wherein the multicast bearer is released, and the media session is resumed by the unicast bearer.
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