The softphone allows to display an advertisement inside the main window.
It can be Flash based or HTML.
The advertisement is loaded from the web-server.
URL of the advertisement web-page is configured inside installer-brand.nsi file (See EMBEDDED_FLASH_URL).
But the position and size of the advertisement area is specified inside skin file.
This controls has only one important property. It is Name. The name of the control should be "EmbeddedFlash". All other properties are not important.