It looks as though OIF has worked in many different ways:
North Korea Drops Its Demand For One-on-One Talks With U.S.
Shift Could Remove Obstacle to Negotiations on Nuclear Program
SEOUL, April 12 -- North Korea today dropped its demand for one-on-one negotiations with the United States, saying it "will not stick to any particular dialogue format" but will test whether "the U.S. has a political willingness to drop its hostile policy."
The change of position, announced by a Foreign Ministry spokesman, appears to be a concession to the Bush administration's demand for multinational talks about North Korea's nuclear program. Full story