The invention relates to a method for calling the mobile terminal, which includes: the mobile terminal initiates calling requests to the calling switcher during communication process, the home location register checks the subscription information according to the called number and judges whether it has preset the additional information-certification service, the service management server sends the input-suggestion of the additional information to the mobile terminal via the described calling switcher, the server judges whether the input additional information are right , the server feeds back information to the called switcher that the mobile terminal is allowed to switch in, then the calling switcher does and the process ends. |