Question: In a Point-to-Point Short Message Service (SMS) scenario, what is the primary purpose of the 'Wait for RETRANS TIMER' state in the context of an SMR waiting to retransmit an RP-SMMA message?
Option 1: To establish an underlying connection for the SMS transfer.
Option 2: To handle the reception of a new SMS while another is being processed.
Option 3: To manage the memory allocation for incoming SMS storage.
Option 4: To allow for the retransmission of an RP-SMMA message after a temporary delay, as indicated by the Timer TRAM.
Explanation: The 'Wait for RETRANS TIMER' state exists specifically for the SMR to wait before retransmitting an RP-SMMA message, with the waiting period governed by Timer TRAM, indicating a temporary delay before reattempting transmission.