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IS NET course

This course offers an Internet connection service for users who access the Web or check email solely via 3G smartphone.

Basic charges ¥300/month Apply Required


  • To use only your smart phone to access the Web or your email, apply for the IS NET course [1] [2].
  • Monthly usage charges and communications charges for the volume used in the applicable month apply.
Monthly usage charges [3] ¥300
Communications solely via smartphone charges ¥0.2/packet [4]
  • * The charge is ¥0.1 per packet on Plan E Simple or Plan E.
  • [1] If you have not applied for "IS NET", access will be through "au.NET" (¥500 per month for the month of use only).
  • [2] Customers already subscribed to "EZ WIN" before using the IS series do not need to apply for "IS NET". They will be automatically switched to "IS NET" when they use the IS series.
    * When subscribing to IS NET, you will be automatically switched to "EZ WIN" in those months where you do not use solely your smart phone for access the Internet or your email and you will be charged the monthly "EZ WIN" rate accordingly.
  • [3] Monthly rate will not be prorated on a daily basis.
  • [4] Charges for mobile Internet services will be charged by the volume of data sent and received (volume of packets, with 1 packet equaling 128 bytes). Charges are not based on the time connected. Some content may be charged for separately. Irrespective of any separate charges for such data, you will still be charged for packet telecommunications.
    * Unless you are subscribed to a flat-rate, discount service for packet communications charges, do
  • *Unless you are subscribed to a flat-rate, discount service for packet communications charges, domestic packet communications charges are subject to free use on plans with free use included.
  • *Packet communications charges apply even if packets are not received correctly due to communication conditions or errors in data reception.
  • *Some apps may not be usable with the IS NET course.
  • *For IS NET, "Outbound Port25 Blocking" is implemented to strengthen countermeasures against spam mail.
  • *Packet communications charges shown are for use within Japan. See the following when using in countries outside of Japan.
    Using overseas

Eligible models

  • 3G Smartphones
  • iPhone 4S

Applicable period

The month in which application is made


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 avoid network congestion, a limit will be placed on communications speed for a whole day if you have used more than 3,000,000 packets over the three most recent days (not including the day on which the restriction is applied).

Communications optimization

  • ISNET series packet communications may perform system optimization to improve the display speed of images and the waiting time before video playback begins.

    Image files BMP, jpg, gif, PNG formats
    Video files MPEG, AVI, MOV, FLV, MP4, 3GP, WebM, ASF, WMV formats
    • *HTTPS communications and files with email attachments are not optimized.
    • *Smartphone communications with au.Net are also applicable.
    • *Customers who do not need communication optimization can contact the Customer Center (157) to have optimization cancelled.
    • *Optimization is the compression and conversion of images to the appropriate size for a smartphone screen. Compressed and converted data cannot be restored.

*All of the indicated amounts exclude tax unless otherwise specified.