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A downloadable conditional access system (DCAS) focuses on transmitting conditional access (CA) software into a set-top-box (STB) securely via a bi-directional communication channel. This paper presents the method to provision CA software onto STBs efficiently for the purpose. In order to achieve this goal, we defined the DCAS policy on CA software's configuration and downloading method, and designed...
In this paper we present a multipoint media conference software with extended network capabilities. Its core components combine an advanced, highly efficient H.264/AVC video coding system. Session signaling follows the SIP standard and simultaneously supports IPv4 and IPv6. Built upon an underlying peer-to-peer communication scheme, it further supports advanced integration with legacy MCUs and thereby...
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