Conditional access

Conditional access (abbreviated CA) or conditional access system (abbreviated CAS) is the protection of content by requiring certain criteria to be met before granting access to this content. The term is commonly used in relation to digital television systems (Both for Satellite and Cable delivery system).

单词	Entitlement control message
释义	Entitlement control message 英语百科 Conditional access Conditional access (abbreviated CA) or conditional access system (abbreviated CAS) is the protection of content by requiring certain criteria to be met before granting access to this content. The term is commonly used in relation to digital television systems (Both for Satellite and Cable delivery system).
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Entitlement control message

Conditional access