A method for decoding a service guide by a decoder comprises: receiving a service description within said service guide; receiving a service media extension within said service description; receiving a major channel number, a minor channel number, and an icon within the service media extension; decoding the service guide including the service media extension, the major channel number, the minor channel number, and the icon. The service guide is associated with a service comprising a media bit stream and supported by the OMA Mobile Broadcast Services Enabler Suite (OMA BCAST).