Question: What is the primary purpose of the MNSMS-DATA-INDication service in the context of Point-to-Point Short Message Service (SMS) on the mobile radio interface?
Option 1: To initiate a Mobile Originated (MO) message transfer attempt
Option 2: To request additional memory for SMS storage on the mobile station
Option 3: To send a new SMS message to the Short Message Service Center (SMSC)
Option 4: To report the outcome of an MO message transfer attempt or a mobile station memory available notification attempt
Explanation: The MNSMS-DATA-INDication service is used for reporting outcomes, such as the success or failure of Mobile Originated (MO) message transfers or mobile station memory notifications, providing feedback and status updates within SMS transactions over the mobile radio interface.