| Property | Description | Type | Access Mode |
| Index | Position of the Message item in the Inbox collection | Integer | ReadOnly |
| Phone | Mobile phone number of the text message sender | String | ReadOnly |
| SMSC | Sender Service Center number | String | ReadOnly |
| Text | Received text message | String | ReadOnly |
| TimeStamp | Date and time when the text message was sent | DateTime | ReadOnly |
| TimeStampRFC | Date and time stamp when the text message (in RFC-822 format) | String | ReadOnly |
| TimeZone | Represents the time zone of sender as difference in minutes between TimeStamp and UTC | Integer | ReadOnly |