If the GSM modem supports transferring the received SMS to the computer, the functionality is available.
When a SMS is sent, there is setting for the reply notification.
When a SMS is replied, the notification is triggered. The icon at the bottom right corner of the main window flashes. There is a number of received SMS beside it.
When clicking the flashing icon, the unread SMS are opened. The received SMS can be read and it can be deleted as well.
