A system includes a receiver and a communication interface. The receiver
is adapted to tune to an audio/video portion over a transport medium. The
communication interface is adapted to receive announcement data
associated with the tuned audio/video content directed to a first
addressable location and to receive a special announcement directed to
the first addressable location. The special announcement indicates
availability of the announcement data associated with the tuned
audio/video program, and the announcement data is associated with the
tuned audio/video content and indicates enhancement data is being
transmitted. The controller is adapted to redirect the announcement data
to a second addressable location other than the first addressable
location in response to the special announcement.