Was Rumer Willis with Mom Demi Moore During 911 Crisis?

A caller shouts out to "Ru" - the nickname of the actress's daughter

Source: http://feeds.people.com/~r/people/headlines/~3/tNyJ2RGNJDs/0,,20565304,00.html

Chloë Sevigny Christina Aguilera Christina Applegate Christina DaRe Christina Milian Christina Ricci Chyler Leigh Ciara