| 摘要 |
<p>A telephone user terminal has a register of a set of CLI codes stored (39) in response to a user input (37). When an incoming call attempt is made (21), the CLI code of the current call attempt is compared (23) with the CLI codes in the register, and the response of the user terminal to the call attempt is modified (step 25) if the CLI code of the current call attempt matches a CLI code in the register. This allows the handset to filter calls, e.g. by not ringing in response to calls from persistent nuisance callers.</p> |
