This sound is from Charlie Wong - Fonejacker

The Chinese DVD Gang are a group of illegal, obese Chinese students who attempt to film films in cinemas and sell as DVDs. Their leader, Charlie Wong is the only member of the gang that speaks on the phone. He often says "You want buy DVD?". One of the members of the gang also claimed to be a Chinese Samuel L. Jackson lookalike. Facejacker / Phonejacker.