No, Maggie Wheeler doesn't really have that laugh.
Maggie Wheeler, the actress who played Chandler Bing’s on-off girlfriend Janice in ‘Friends’, has been discussing how her character’s infamous cackle came about. Appearing on ‘This Morning’, Wheeler, who doesn't actually talk like Janice, said the laugh came about “organically” during rehearsals.
Maggie Wheeler played Chandler’s girlfriend Janice in ‘Friends’
"It was just progression – how Janice evolved, how the writers created the character for me," Wheeler told hosts Eamon Holmes and Ruth Langsford. "So the laugh happened organically in the first rehearsal, because I needed to find a way to laugh, because Matthew Perry is so funny.”
Continue reading: Janice From 'Friends' Reveals How Her Trademark Laugh Came About