| 摘要 |
<p>The invention relates to a method and system for implementing a prepaid service in a packet-switched mobile communication network, in which method the mobile station (MS) is delivered the information requested by it as long as there is prepaid balance left. In the method, an access point name definition (APN) is defined that points to the service node (SN) via which it is possible to use the prepaid service; a control server (IMS) is used to monitor the traffic between the mobile station (MS) and the content server (CS) after there was the access point name definition (APN) mentioned in the activation request of data service sent from the mobile station (MS), which monitoring proceeds as long as the aforementioned data service is active, and the prepaid service balance in the billing database (DB) is updated for the use of the data service based on the monitoring of the control service (IMS).</p> |
