1.SMS is a core system which support DTV service 2.with billing service, accounting treatment, products and resource management SMS is a core system which support DTV service, with billing service, accounting treatment, products and resource management throughout. User can be...

1.SMS is a core system which support DTV service 2.with billing service, accounting treatment, products and resource management SMS is a core system which support DTV service, with billing service, accounting treatment, products and resource management throughout. User can be...

1.Physical secrecy 2.Logic secrecy Safety requirement as follows:Physical secrecy: can not additions/deletions or replace the hardware/software unless with special stills and methods; only using special techniques could input, storage, visit and modify to the sensitive data; any...

1.Support IPPV 2.Support pass back 3.Support OSD 4.Support Email 5.Support simulcrypn standard OutlineCA only allowed the authorized users use a particular operation. CAS is exactly this system. CAS can realize DTV service authentication manager and receiver control....