| 摘要 |
<p>A digital radiotelephone facility in which each mobile terminal (5) is operated by means of a removable SIM card (2). Furthermore, an auxiliary SIM card (1) having a reduced format is permanently fitted in the terminal (5) and assigned only to specific services such as an answering service, a short message service, etc., with a restriction on outbound calls. Both cards (2, 1) correspond to the same subscriber number.</p> |
