摘要:
To enable syncing communication-specific history information on apparatuses of a user, one of which may be a legacy apparatus, in a multi-apparatus environment, to correspond to each other, communication-specific history information is also maintained in a network, and in response to an event changing the communication-specific history information, it is also updated in the network, and by means of the information in the network, corresponding communication-specific history information in the user's other apparatuses can be updated.