A device of adding network schedule table or network task table in mobile-phones includes a short-message central equipment interconnected with mobile phones by wireless communication network which is interconnected with network schedule or task devices. The said mobile phone can identify fixed form and kind short messages then to convert them to schedule or task table information to be stored in their registration, the said device receives design request to the table of phone numbers and authetifies its authorization to generate a registration and then form a fixed form and kind short message to be submitted to the short-message center which sends the short message to the mobile phone of a called user. A method is provided for adding tables of network schedule and tack in mobile phones.