Jumps the client into the given state. Will behave like builtin 'return' in the calling procedure. Initializes the scheduler task queue with header retrieval operations, then starts the real work. Does everything required to recover from line or server problems. Skipping over messages making trouble multiple times.
Initiates logon in case of sucess.
Called after completion of message retrieval. Initiates emergency recovery in case of problems. Awakes the scheduler to start the next job. The received information is given to the storage facility. Executed semi-periodically to launch the tasks waiting in the internal queue.