Question: How does a Mobile Station (MS) receive charging information for a requested telecommunications service with a successful outcome?
Option 1: Through periodic SMS updates referencing industry standards for charging information.
Option 2: By receiving Charge Advice Information (CAI) from the network, as per industry specifications.
Option 3: Via a dedicated voice announcement at the start of each call.
Option 4: Through an email sent to the user's registered email address.
Explanation: In telecommunications, specifically for Advice of Charge (AoC) supplementary services, the network provides the Mobile Station (MS: User Equipment) with real-time charging information through transmitted Charge Advice Information (CAI), enabling the MS to calculate service-associated units in real time, aligning with industry standards for seamless and transparent billing.