Parlay X Web Services for Policy and Charging Control in Multimedia Networks

Table 1

QoS-related event types.

Event type	Description
Loss/release of bearer	Loss of bearer that can result in QoS degradation (e.g., the service data flows are deactivated as a consequence). If all the bearers are lost, the application can request QoS resource release
Recovery/establishment of bearer	Recovery or establishment of a new bearer
IP-CAN change	The access network providing IP connectivity is changed, which can result in applying specific charging
Out of credit	The user credit limit is reached
Session termination	The session terminates normally
Usage report	Reports that the usage threshold provided by the 3rd party application have been reached