Question: In a 3GPP-compliant telecom network, what is a capability of the Home Environment's billing system regarding charge thresholds?
Option 1: Only to set static charge thresholds for all users across the network.
Option 2: To dynamically set charge thresholds per time interval, triggering actions like notifying customer care or user barring in the HLR (Home Location Register).
Option 3: Solely to process charging information from serving networks without real-time capabilities.
Option 4: Exclusively to define time intervals for charging information collection without processing capabilities.
Explanation: This option is correct because the Home Environment's billing system must have flexibility to set charge thresholds adjustable by specific time intervals. This dynamic adjustment allows immediate responses to potential fraudulent activities, such as alerting customer care or temporarily suspending service, protecting both user and network operator from unauthorized charges.