Question: In the context of Short Message Service (SMS) procedures in a telecom network, what is the primary purpose of the `shortMessageGatewayContext` application context in the Home Location Register (HLR)?
Option 1: To facilitate mobile originated voice calls
Option 2: To manage mobile terminated short message delivery
Option 3: To handle location updates for roaming subscribers
Option 4: To coordinate processes for both mobile originated and mobile terminated short message transfers
Explanation: The `shortMessageGatewayContext` implies a coordinating role in the HLR, managing interactions for central coordination. In Short Message Service procedures, this suggests overseeing both incoming (mobile terminated) and outgoing (mobile originated) short message transfers, necessitating centralized coordination across network elements to ensure seamless SMS service delivery.