Returns the DeviceInformation ID of the network interface that received the SMS message. This ID can be passed to SmsDevice.FromIdAsync to activate the device and retrieve additional message details.
Note This functionality is only available to mobile operator apps and Windows Store apps given privileged access by mobile network operators, mobile broadband adapter IHV, or OEM. For more information, see Mobile Broadband: Windows Store device apps.
A string containing the DeviceInformation ID of the SMS network interface (device). This value is typically used to retrieve details such as the sender and the body of the message. For example, you might use the ID to display a popup telling the user that a new message from a particular person has arrived. The combination of DeviceId and MessageIndex is sufficient to retrieve the new message from the SMS device.