Question: In a Telecommunication Network, what is the primary purpose of the 'User Location Information' field in a Charging Data Record (CDR)?
Option 1: To store the User Equipment's (UE) IMSI for billing purposes.
Option 2: To provide location details of the UE, utilizing mechanisms like PCC or Sh interface retrieval.
Option 3: To log the VLR Number for handover management between different VLRs.
Option 4: To record the duration of a voice call for charging calculations.
Explanation: The 'User Location Information' field primarily stores location details about the User Equipment (UE), crucial for telecom operations like charging, billing, and service provision, aligning with specifications for using PCC mechanisms or Sh interface retrieval.