Question: Which RANAP function is responsible for transferring SRNS context from the RNC to the CN, specifically for intersystem change in case of packet forwarding?
Option 1: SRNS Context Forwarding Function
Option 2: Overall RAB Management
Option 3: Controlling Overload in the Iu Interface
Option 4: Location Reporting
Explanation: The SRNS Context Forwarding Function is responsible for transferring SRNS context from the RNC to the CN, particularly in scenarios involving intersystem change with packet forwarding, ensuring seamless handover and continuity of service across different systems.