Control user interface: phone, maps, image, signature, barcode

The following functions are available to access functionalities around phone, maps, image, signature, files and barcode using PAGE-commands.

• PAGE('TELEPHONE'...)
• PAGE('MAPS'...)
• PAGE('CAMERA'...)
• PAGE('EDITIMAGE'...)
• PAGE('SIGN'...)
• PAGE('BARCODE'...)
• PAGE('URI'...)
• PAGE('OPENFILE'...)
• PAGE('EXPORTFILE'...)
• PAGE('IMPORTFILE'...)