Use limitation occurs when you use over the upper limit of data usage amount since Oct., 2016.


1. About use limitation

- You can not send the data over the upper limit of data usage amount. It's limited by the system.
  (If you try to use over the upper limit, we will notify to sender by pop-up, and will notify to contract by e-mail.)
- We will notify when the data usage amount is over or got closer to the upper limit of your contract.

Warning for excess of quota

Excess of quota


2. About the upper limit of data usage amount

You can use 100 GB for 1 month per a contract in default.
If using over 100 GB for 1 month per a contract, please consider to sign up "Additional data usage amount" option
at "1-B)D.e-Express Service Application(Updating)".

*Depending on contract, charge method is different.Please ask our sales staff for detail.



3. How to check the monthly data usage amount of your contract

You can check the monthly data usage amount of your contract at "Data usage amount viewer".
Please refer to the Manuals > Registered user's manual > 18. (Administration)Data usage amount viewer for details.

The permitted user in charge of contract control can use this function.
To change this permission, please submit application form of "1-B)D.e-Express Service Application(Updating)".