Question: What is the specified device type for a Contact Manager Server in a 3GPP UICC application, and how should its device identifier be set?
Option 1: Device Type: "Generic", Device Identifier: Set to IMSI (International Mobile Subscriber Identity)
Option 2: Device Type: "3GPPCM", Device Identifier: Set to IMEI (International Mobile Equipment Identity)
Option 3: Device Type: "3GPPCM", Device Identifier: Set to ICCID (Integrated Circuit Card Identifier)
Option 4: Device Type: "Custom", Device Identifier: Set to MSISDN (Mobile Station International Subscriber Directory Number)
Explanation: According to specifications, the device type for a Contact Manager Server in a 3GPP UICC application must be set to "3GPPCM" for compatibility. The device identifier should be set to ICCID, as it uniquely identifies the SIM card, ensuring secure and personalized services in telecom networks.