https://www.mtgox.com/

"A call center has been established to respond to all inquiries. The call center is planned to start on March 3, 2014. All inquiries to MtGox Co., Ltd. should be made to the following telephone number:

Telephone number   +81 3-4588-3921
Working hours    Monday to Friday 10am to 5pm (Japan time)"

I think that this phone will overheat...