Question: In a mobile originating call, what is the significance of the "CC-Establishment confirmed" state?
Option 1: The mobile station has initiated the call setup process.
Option 2: The mobile station has received and acknowledged all necessary CC information.
Option 3: The mobile station is waiting for further instructions from the network.
Option 4: The call has been successfully connected to the called party.
Explanation: In a mobile originating call, the "CC-Establishment confirmed" state indicates that the mobile station has received and acknowledged all necessary CC (Call Control) information. This means that the mobile station has obtained all required information for setting up the call, such as the called party's number and other relevant details.