Open Computer Network (OCN) is owned by the NTT Communications Company and operates all over Japan. They are one of the biggest and most powerful telecommunications player on the Japanese market. OCN provides many Internet and Internet-related services across Japan between which you may find fiber-optics, ADSL, ISDN, VPN, Hosting, OSN Mobile, and more. They are still working over inventing new business solutions and Internet tariffs to meet all customers’ Internet needs.
Description
OCN offers not only ISDN services for home users but also Mobile Internet access thanks to many mobile Internet tariffs. There are also SIM card plans between which you may find Prepaid SIM for JAPAN lasting for 7 days (LTE / 3G) using W-CDMA /HSPA. This option is only for data communication. It includes 100MB a day. It’s called a regular SIM. This Prepaid SIM for JAPAN 7 days tariff is designed for residential use only.