Service introduction
- Smartphone-only data communication does not exceed ¥5,460/month (tax included) however much you use.
- Maximum rate is ¥5,985/month (tax included) (for WIN/iida) even when you use the PC site viewer
- Maximum rate is ¥10,395/month (tax included) when connecting a mobile PC, PDA, car navigation system or other devices
Smartphones may access the Internet in some applications even when a user does not operate the device.
Accordingly, a subscription to IS Flat is recommended.
- * Packet communications made overseas are not covered by IS Flat.
Charges
Smartphone-only communication
| Discount name | IS Flat |
|---|---|
| Basic charge | ¥5,460/month (tax included) Subscribers can use limitless smartphone-only communication by paying a flat rate. |
- * This service is only available for CDMA 1X WIN.
- * IS Flat is not applicable to packet communication charges incurred outside of Japan. "Overseas Double-Teigaku" will be available as discount service for overseas packet communication from March 2011. Please visit the URL for "Overseas Double-Teigaku" for a list of the countries where this service is available.
- * If you are subscribed to IS Flat, the free calls of this rate plan are not applied to your packet communication charges.
- * This service is not available in combination with other flat-rate packet communication charge services, including the Double-Teigaku discounts.
- [1] Applicable services include EZweb and EZ WIN e-mails when using WIN or iida.
Communication using devices other than smartphones
| Packet communication charge | ¥0.02625/packet | |
|---|---|---|
| Max rate * Price in ( ) is a charge added to the flat rate |
EZweb/E-mail [2] | ¥5,460/month (+ ¥0) |
| PC site viewer [2] | ¥5,985/month (+ ¥525) |
|
| Mobile data communication [2] (only for compatible models) | ¥10,395/month (+ ¥4,935) |
|
- [2] When using an au mobile phone by swapping in an au IC card. However, mobile data communication is available with IS02.
Service Period
If you are applying for this service along with a new subscription, this service is applicable from the date of subscription (flat rate and free communication are prorated). If you are using IS series, WIN or iida (hereafter "CDMA 1X WIN") and changing your flat-rate packet communication charge service without changing the system, the new service is applied from the month following the month of subscription to the service (excluding changes from "IS Flat" to "Plan F (IS) Simple/Plan F (IS)" or "Plan E Simple/Plan E <not using IS Flat>").
If you are applying for system change to CDMA 1X WIN, this service is applicable from the date of system change (flat rate and free communication are prorated). The discount service for packet communication charge subscribed to with the previous system is applied until the day preceding the system change date (flat rate and free communication are prorated).
If you are adding a packet communication charge discount service under conditions not mentioned above, you can select either the subscription month or the month following the subscription month as the month from when this service is applied. If the application for the discount service is made in the same month as a new subscription or system change, flat rate and free communication are prorated. Otherwise, flat rate and free communication are applied in full.
When you are changing or adding a mobile phone model upon a new purchase, if you are applying for a flat-rate packet communication charge service at the same time you are changing your plan from "Plan F (IS) Simple/Plan F (IS)" or "Plan E Simple/Plan E <not using IS Flat>" to another plan with free calls, you can select between starting the service from the following month or from the date of switching/adding lines (flat rate and free communication are prorated).
How to Apply
- You can apply for this service at storefront or from EZweb or our website (access from PC).
How to Subscribe to IS Flat
- * Free calls of a rate plan is not applicable to packet communication charges.
- * To use IS Flat while on "Plan E Simple/Plan E", please subscribe to "Plan F (IS) Simple/Plan F (IS)".
- * IS Flat is not fully applicable to the packet communication charge incurred for making the initial setting for "Mobile Suica" provided by JR East.
Restrictions on use
- * If the packet communications charges for usage are high, your line may be temporarily suspended regardless of whether or not you are enrolled in a packet communications flat rate/discount service.
- * To prevent network congestion, limits will be placed on communication speeds from 9:00 pm until 1:00 am the next day for some customers.
Customers who used more than 3 million packets two months previously (equivalent to about 250 to 300 Chaku-Uta FullR tracks) will be subject to restrictions.
In the case of smartphone users, customers who used more than 3 million packets in the previous three days (not including the current day) will be subject to restrictions all day.
Communications optimization
- IS series packet communications may perform system optimization to improve the display speed of images and the waiting time before video playback begins. The following file formats will be optimized from April 2012.
| Image files | BMP, jpg, gif formats |
| Video files | MPEG, AVI, MOV, FLV formats |
- * The above information may be changed. Notification will be made in case of any changes.
