Question: In a 3GPP-compliant SIM-ME interface, if the Mobile Equipment (ME) initiates two failed Protocol Preference Selection (PPS) attempts with specified parameters and then attempts with default values, what action may the ME take if the third attempt also fails to elicit a PPS response from the SIM?
Option 1: The ME must restart the entire process from the initial waiting time for the first PPS request.
Option 2: The ME should alternate between specified and default parameters for subsequent PPS attempts.
Option 3: The ME may proceed with communication using default values without further requesting PPS.
Option 4: The ME is required to alert the user of a potential SIM compatibility issue.
Explanation: According to error handling procedures, if after two failed attempts with specified parameters and one attempt with default values, the SIM still does not respond to a PPS request, the ME is allowed to proceed with communication setup using default values without needing to further request PPS, ensuring the communication process can move forward.