The Extra Option service allows you to use data communications without any communication speed constraint even if you exceed the data quantity for that month.
Even if you exceed the monthly data quantity, no communication speed constraint is applied.
|Applicable period||The month in which application is made |
|Eligible data flat rate services/usage fees ||
||¥2,500  is automatically added per 2GB once the amount of communications exceeds the monthly data quantity|
||¥1,000  is automatically added per 1GB once the amount of communications exceeds the monthly data quantity|
Communication amount notification
When subscribed to the Extra Option, after the data amount exceeds the monthly data amount offered by a rate plan/Flat-rate Data Service, you are notified with SMS (C-mail) the day after every time usage fees are automatically added.If you are using a data communication device or tablet and cannot receive SMS (C-mail), or you want to switch to notifications to emails, apply from au Customer Support.
[Restrictions of communication speed]