Source: The Great Interpretation of Dreams (Ibn Sirin)
Calling out in a dream indicates enjoining good and forbidding evil. Calling from a distant place indicates heedlessness. Calling from a nearby place indicates a warning.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Calling out indicates fame and mention. Whoever hears a good call will receive good praise.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Calling out is interpreted as news. If good, it is good news; if ugly, it is bad news.