Method for moving a communication device to a first mode, method for providing a service, and corresponding devices, system, computer readable program products and computer readable storage media

A communication device adapted to work in a first mode and in a second mode, said communication device comprising at least one processor configured for collectively:

• subscribing to at least one service available in a communication network, said at least one service being determined according to at least one action to be performed by said communication device upon switching said communication device to said first mode;
• upon a receiving a multicast order representative of a providing of one of said at least one service, switching said communication device to said first mode and performing an action according to said provided service.

A method comprising:

• receiving, from a communication network, a request of subscribing to a service;
• upon a fulfilling of an obtained criterion, providing said service, wherein said providing comprises sending in multicast an item representative of said providing on said communication network .

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