| 摘要 |
<p>The present invention consists of the creation of a mobile program/application , which is sent to the roaming mobile by means of SMS named Roaming Call and Anti-Fraud Calculator (RCAC). As per synopsis (figure) joint to the present abstract, the A subscriber from HPLMN 1 of country X roaming under the coverage of VPLMN 2 of country Y calls a B subscriber in his own HPLMN 3 of country Z. In our case, HPLMN of A cannot find the call CDR mqde by A in the precent scenario in his billing systems, moreoverit could be a fraud.In normal cases both HPLMN and VPLMN (in our case 1-X and 2-Y) exchange those CDR. The invention subject of this document comes with a solution to this problem.</p> |
