See Topic 4 . The activation of new applications can be downloaded to the SIM card over the air. See Topic 5 . Multiple applications can be stored on a single card. One handset may be used for different interfaces and protocols.
Subscribers use voice terminals only.
Customers can be billed separately for personal and business calls. See Topic 7 . Network operators can sell memory space on a smart card to other companies. Smart Card Overview 2. Introduction to Smart Cards in Wireless Communications 3.