That year, Indian officials said, an Indian naval vessel sailing toward a port in Vietnam was contacted on an open radio channel by a caller who identified himself as a Chinese official and said the Indian ship was in Chinese waters. 印度官员称,当年一艘驶向越南港口的印度军舰收到一个公共无线电频道的呼叫,对方称自己是中国官员,并表示这艘印度船只正处于中国水域。