Top of Page


Links to move inside this page.

  1. HOME
  2. About IIJ
  3. News / CSR
  4. Press Releases
  5. 2021
  6. IIJ Revises its Consumer Mobile Service's Voice Call Charges

IIJ Revises its Consumer Mobile Service's Voice Call Charges

Fee for calls not using the Miofone Dial app lowered from JPY 22/30 sec. to JPY 11/30 sec.

September 9, 2021
Internet Initiative Japan Inc.

PDF [180KB]PDF / Japanese

TOKYO - September 9, 2021 - Internet Initiative Japan Inc. (TSE1: 3774), one of Japan's leading Internet access and comprehensive network solutions providers, today announced that from September 11, 2021, the domestic voice call fee for individual customers of IIJ's Mobile Virtual Network Operator service "IIJmio Mobile Service Giga Plan," "IIJmio Mobile Service," and "IIJmio Mobile Plus Service" will be revised, with the standard fee lowered to JPY 11/30 seconds (including tax) and the voice call fee between subscribers with the same ID (mioID) lowered to JPY 8.8/30 seconds (including tax).

Up to this point, domestic calls from the Miofone Dial app, as well as domestic calls using the prefix number (0037-691) at the beginning, have been discounted (half price); however, with these fee revisions, standard calls will be charged at the same rate as the discount rate: JPY 11 /30 seconds (including tax).

Customers using type D (DOCOMO network) or type A (au 4G LTE network) voice SIMs will be able to enjoy voice calls with this low fee and will not need using the Miofone Dial app or adding the prefix number.

Changes to domestic calls(*1)

  Before After
Standard fee JPY 22 /30 sec. (including tax) JPY 11 /30 sec.(*2) (including tax)
With "Family Call discount"(*3) JPY 17.6 /30 sec. (including tax) JPY 8.8 /30 sec. (including tax)
Using "Miofone Dial"(*4) JPY 11 /30 sec. (including tax) JPY 11 /30 sec. (including tax)
*No change to this fee
  • (*1)No change to international call fees, international roaming fees, and SMS send/receive fees.
  • (*2)Applicable to domestic calls to cellular phones (070/080/090), IP phones (050), and fixed-line phones (0ABJ). The call fees above do not apply to digital communication fees, such as video calls, etc., as well as special number services, such as telegram services, time signal services, weather reports, etc.
  • (*3)Discount only applies to domestic calls between voice SIMs under contract with the same mioID.
  • (*4)Call fee if using the Miofone Dial app, or if calling with the prefix number (0037-691).

Specifications relevant to the call fee changes

Applicable SIM function Voice SIM type D (NTT DOCOMO network) / type A (au network)
Applicable services/plans
  • IIJmio Mobile Service Giga Plan
    (Giga plans: 2 Giga/4 Giga/8 Giga/15 Giga/20 Giga)
  • IIJmio Mobile Service
    (Minimum Start Plan, Light Start Plan, Family Share Plan, TALK & SMS Plan)
  • IIJmio Mobile Plus Service
    (Pay-as-you-go Plan, Eco Plan Minimum, Eco Plan Standard)
Effective date of fee changes Saturday, September 11, 2021(*5)
Important notes It is necessary to continue making calls from the Miofone Dial app in order to utilize the flat-rate voice call price for subscribers who use the flat-rate voice call option.
  • (*5)For type A only, the revised fee will apply to usage from September 1, 2021.

IIJ will continue striving for customer satisfaction and the further development of our services.

About IIJ

Founded in 1992, IIJ is one of Japan's leading Internet-access and comprehensive network solutions providers. IIJ and its group companies provide total network solutions that mainly cater to high-end corporate customers. IIJ's services include high-quality Internet connectivity services, systems integration, cloud computing services, security services and mobile services. Moreover, IIJ has built one of the largest Internet backbone networks in Japan that is connected to the United States, the United Kingdom and Asia. IIJ was listed on the First Section of the Tokyo Stock Exchange in 2006.

The statements within this release contain forward-looking statements about our future plans that involve risk and uncertainty. These statements may differ materially from actual future events or results.

For inquiries, contact

IIJ Corporate Communications

  • (*) All company names and service names used in this press release are the trademarks or registered trademarks of their respective owners.

Get Adobe Acrobat Reader


End of the page.

Top of Page