If japan is anything like other countries, there will likely be a date set for a creditors meeting, and the call center will simply be instructing people to attend the creditors meeting to have their questions answered.
Anyone who has money (either fiat or btc) in mtgox is essentially now an unsecured creditor and mtgox seems to be in bankruptcy protection / proceedings. You wouldnt get answers out of any other company in bankruptcy or insolvency, everyone will just have to patient until the Investigators/Administrators have finished their audits and have a restructure plan in place.