Factual error: There is no way a 2001 phone's tiny speaker could be heard a hundred meters away in the belly of a dinosaur or later buried in a mound of dino dung.
Factual error: When they find the camcorder and discover the battery is dead, Udesky takes the batteries from his Maglite, and they magically work in the camcorder.
Answer: He says "The River, Site B." Obvisouly there is only one main river on Site B (the island). Ellie was smart enough to figure it out.
XIII
But how does she get a US navy battle group to turn up? Previously the US embassy wouldn't send anyone for a missing child, but a fleet for an old man off a very garbled phone call? As far as I remember, she had a fairly ordinary job/life in a suburb of the America.
Ellie's husband is Mark Degler, who works at the State Department, and it's with his connections that the rescue gets underway. Early in the movie Ellie told Grant he's bad about asking for help, and he should ask her anything anytime. Near the end, before their phone line was cut off, Ellie had heard the dinosaur roar and screams, so she knew Grant was in trouble.
Super Grover ★
I think it has something to do with what her husband does for a living.