Added RMS.

api/modem/sms/sms.go

@@ -44,6 +44,7 @@ func (d *dialer) Init() error {
 	}
 
 	// Ensure text format
+	d.logger.Println(d.port.Send("AT+CMGF"))
 	if resp, err := d.port.Send("AT+CMGF=1"); err != nil || !resp.Check() {
 		if err != nil {
 			return fmt.Errorf("set to text format request: %w", err)
@@ -74,7 +75,7 @@ func (d *dialer) Send(number, msg string) error {
 
 // Reads all new messages
 func (d *dialer) ReadNew() ([]string, error) {
-	resp, err := d.port.Send("AT+CMGL=\"ALL\"")
+	resp, err := d.port.Send("AT+CMGL=\"UNREAD\"")
 	if err != nil {
 		return nil, fmt.Errorf("AT+CMGL request: %w", err)
 	}