Question: What is the primary purpose of the `ect-Indicator` in a mobile network, as per its functional role?
Option 1: To notify the network about the call state of the remote party.
Option 2: To inform the mobile station (User Equipment: UE) that a call has been transferred.
Option 3: To identify the line identity information of the originating caller.
Option 4: To manage session handovers between different access networks.
Explanation: The `ect-Indicator` is specifically designed to provide an indication to the mobile station (User Equipment: UE) that a call transfer has occurred, ensuring the device is aware of the change in call status. This is crucial for maintaining seamless communication and updating the UE's call management state accordingly.