Mobile telephone handset, mobile telephone system and method

摘要

A method for creating a contact on a mobile device includes processing a request from a user to create a contact or group. After a predetermined period, if a confirmation of the creation of the contact or group has not been received, then the group is deleted from the mobile device. In one aspect the predetermined time period is measured from the time of the request to create the contact or group. In another aspect, the predetermined time period is longer than the group creation time.