| Method | Description | Parameters | Return Value |
| Clear | Deletes all the messages from the Inbox and GSM modem which were previously retrieved using Refresh method | - | Boolean |
| Message | Each item in Inbox collection object representing a incoming message. | Index as Integer | Object |
| Refresh | Refreshes the content of Inbox collection by reading the messages from GSM Modem or Phone. Returns True if there as no error in reading messages. | MessageType as Integer (0: Unread Messages; 1: Read Messages; 2: All (default) | Boolean |