WorldDyne is a convenient and affordable international communications service that makes use of mobile phones. It helps you to keep in touch with family and friends who live abroad, as well as with your business partners.
As long as you have a Japanese mobile phone capable of calling and e-mailing (NTT docomo, au, SoftBank [iPhone and Disney], EMobile or Willcom), you will gain access to a variety of services over and over again with just a single registration.

WorldDyne employs a prepaid point system. Users purchase points in advance.
International SMS
International Loading
International Calling Card
Your points will only decrease by the amount you use.
Purchasing Points When Yours Run Out.
Use your points after registering as a member, buy more when they are gone, and repeat.
There are no complicated procedures.