Method, communication system and communication device for trainsmitting broadcasting information via a communication network

A method for transmission of a broadcasting information routed to a central communication unit to a subscriber connection assigned to a decentralized communication unit via a communication network, comprising:

• providing a first virtual connection via the central communication unit to a subscriber via the communication network, the first virtual connection adapted for transmission of an information for the subscriber connection;
• providing a second virtual connection between the central unit and the decentralized communication unit;
• and
• checking if at least a portion of the broadcasting information is to be transmitted to the subscriber connection, and if the at least portion of the broadcasting information is to be transmitted, then
• transmitting the at least a portion of the broadcasting information over the second virtual connection to the decentralized communication unit,
• duplicating the at least a portion of the broadcasting information transmitted in the decentralized communication unit,
• forwarding the duplicated information to the subscriber connection.

The method according to claim 2, further comprising:

• detecting in the central communication unit the at least a portion of the broadcasting information to be transmitted;
• assigning addressing information identifying a number of the subscriber connections to the detected information;
• transmitting the detected information with the assigned addressing information via the second virtual connection to the decentralized communication unit;
• duplicating the at least a portion of the broadcasting information transmitted based on the assigned addressing information;
• and
• inserting the duplicated information into the first virtual connection.

A communication system for transmission of broadcasting information routed to a central communication unit to a subscriber connection assigned to a decentralized communication unit via a communication network, comprising:

• a first virtual connection from the central communication unit via the communication network, via the decentralized communication unit to a subscriber connection unit, the first virtual connection for transmission of information for the subscriber connection;
• a second virtual connection between the central and the a decentralized communication unit;
• a first controller in the central communication adapted to check if at least part of the broadcasting information is to be transmitted to a number of the subscriber connections, the at least part of the broadcast information transmitted via the second virtual connection to the decentralized communication unit;
• and
• a second controller in the decentralized communication unit through which the transmitted information is duplicated and forwarded to the number of the subscriber connections.

A communication device which can be arranged in a communication network,

• a first virtual connection from a central communication unit via a communication network, via the decentralized communication unit to a subscriber connection unit, the first virtual connection for transmission of broadcasting information for a subscriber connection, the broadcasting information routed to the central communication unit to a subscriber connection assigned to a decentralized communication unit via the communication network;
• a second virtual connection between the central and the a decentralized communication unit;
• a first controller in the central communication adapted to check if at least part of the broadcasting information is to be transmitted to a number of the subscriber connections, the at least part of the broadcast information transmitted via the second virtual connection to the decentralized communication unit;
• and
• a second controller in the decentralized communication unit through which the transmitted information is duplicated and forwarded to the number of the subscriber connections.