| 摘要 |
<p>System for providing calling line identification enhanced restriction comprising of: at least one calling party A (CP-A), at least one receiving party B (RP-B), at least one Originating Switching Center (OSC), at least one Terminating Switching Center (TSC) having IN-SSF, at least one CLIPeR server serving as IN-SCP and hosting mapping list of the calling party (CP-A). The calls made by CP-A to RP-B are routed to TSC of RP-B via OSC, TSC enquires subscription information means for subscription status of RP-B for CLIPeR server, on receiving affirmation response from subscription information means, TSC sends the call signal to CLIPeR server through SSF, CLIPeR server checks if CP-A is on the mapping-list of RP-B, on affirmation of which CLIPeR server either restricts or modifies the CP-A call number as defined by RP-B in the mapping list, whereupon TSC present the CP-A number to the RP-B as provided by CLIPeR server.</p> |
