Background: The BBC domestic television channels do not broadcast advertisements; they are instead funded by a television licence fee which TV viewers are required to pay annually. This includes viewers who watch real-time streams of the BBC's channels online or via their mobile phone. The BBC's international television channels are funded by advertisements and subscription.
Question: How do the BBC's non-domestic channels generate revenue?
Answer:<extra_id_0>.
<extra_id_0> advertisements and subscription<extra_id_1>