Start: the switch of application, it be used to start receive and sending.
Compose: you can select 'Compose normal SMS','Compose schedule SMS','Compose SMS from external excel file' .
Phone book: manage contacts and group, you can import contacts from external excel or txt file.
Phone detector: Automatic detect all modem/dongle.
Reports: provide multiple types reports, such as incoming /outgoing history records.
Options: some advance options which will make application work more flexible.