Enumeration Feature

ConfirmationReply (RPLY)

This feature shall indicate that the device is capable of collecting a free-form text response to a message.

ConfirmationResponse (RESP)

This feature shall indicate that the device is capable of presenting a list of responses to the user and recording the user’s choice of response.

ProtectedMessages (PROT)

This feature shall indicate that the device is capable of requiring the user to authenticate before viewing a message; e.g. entering a PIN or password before viewing a message with billing information.

ReceivedConfirmation (CONF)

This feature shall indicate that the device can get confirmation from a user that the message was received.