au × J:COM free call

J:COM PHONE Plus
If you use both au smartphone and au mobile services,
Domestic free call destinations are expanding!

Service overview
Applicable conditions/application

Service overview

Register your au smartphone/au mobile phone and use J:COM PHONE Plus.
Nationwide au smartphones/au mobile phones, au home phones *1 Expand your free calls to.

To make free calls, you need to register your au smartphone/au mobile phone and apply "au → My Home Discount".

au smartphone/au mobile phone/
au home phone
Application to J:COM is required

From your home J:COM PHONE Plus

Nationwide au smartphones / au mobile phones

Applicable conditions/application

au smartphone/au mobile phone
Automatically applied if conditions are met

From your au smartphone / au mobile phone​

J:COM PHONE Plus at home

Applicable condition

  • For details, visit the KDDI website.
  • Service specifications may vary depending on the area and building.
  • NTT East/West subscriber phones such as KDDI's MYLINE are not eligible. Refer to the KDDI website for au Home Phone eligible services.

Applicable condition·
Application

From your home J:COM PHONE Plus
❶au smartphone/au mobile phone
❷Free calls to au home phone

Please check the "Applicable conditions" before applying.

J:COM PHONE Plus
For those who are currently enrolled

please note

  • The discount for free calls from J:COM PHONE Plus will be available from the 1st of the month if you apply and receive our application by the 25th and meet the applicable conditions at the end of the month. Applicable.
  • ​The service will be applied by registering the phone number of one au mobile phone (one number) per contracted household.
    • Even if you subscribe to J:COM PHONE Plus with multiple lines, the service will be applied by registering the phone number of one au mobile phone (one number) for each contracted household.
    • If you want to change your currently registered au smartphone/au mobile phone number, please register from "Change au smartphone/au mobile phone free call registration number".
  • For free domestic calls from your au smartphone/au mobile phone to your home J:COM PHONE Plus, you must apply to au.
First-time registration

If you have registered multiple phone numbers, the first registered au smartphone/au mobile phone number will be registered.

If you have registered by mistake, or if you want to change your registered phone number, please re-register from "Change registered number".

au smartphone/au mobile phone
Register for free calling

Click here to change your registration number

If you have registered multiple phone numbers, the last registered au smartphone/au mobile phone number will be registered.

Even if free calls are being applied to the currently registered au smartphone/au mobile phone number, it will be changed to the newly registered phone number.

au smartphone/au mobile phone
toll free change phone number

J:COM PHONE Plus
If you are not a member

Please join the service first.

J:COM未加入の方

J:COM PHONE Plus
New application

J:COMご利用中の方

J:COM PHONE Plus
Additional application

Applicable condition

subject

Free calls from your J:COM PHONE Plus to your au smartphone/au mobile phone or au home phone

  • Application to J:COM is required.
Apply
  • Applicable if the subscriber name or registered address of J:COM PHONE Plus and registered au mobile phone are the same.
  • If you have multiple contracts for au mobile phones, it will apply when you register one of them.
  • If the application is completed by the 25th of the month and the applicable conditions are met at the end of the month, it will be applied from the current month. If the application is made on the website, the application will be applied for the month until the application is completed on the 25th.
  • Not applicable if the registered phone number has been changed, suspended, or canceled at the end of the month.
please note
  • In the case of international calls, the recipient will be charged for the international call.

From your ❸au smartphone/au mobile phone
Free calls to your home J:COM PHONE Plus (au → home discount)

From your au mobile phone
Free calls to your home!
(Domestic calls to J:COM PHONE Plus)

How to check your registration number

To check the registered "contractor's home phone number" and change/register to J:COM PHONE Plus number, please contact au!

  • If the "home phone number" currently registered in your au mobile phone contract is J:COM PHONE Plus, no procedures are required. If you have registered with any other number, you will need to complete the KDDI registration number change procedure.
  • Free calls from your au mobile phone to your home J:COM PHONE Plus are a KDDI service.

Open all year round (Operator response 9:00-20:00)

From an au smartphone or au mobile phone No area code 157 (free)
From mobile phones other than au/landline phones 0077-7-111 (free)
If the above phone number is not available 0120-977-033 (free)

Applicable condition

subject

Free calls from your au smartphone/au mobile phone to your home J:COM PHONE Plus (au → home discount)

  • Services provided by KDDI.
Apply
  • Automatically applied if the "subscriber's home phone number" registered in your au mobile phone contract is J:COM PHONE Plus.
  • If the applicable conditions are met at the end of the month, the service will be applied from the month following the opening month of both services.
please note
  • Does not apply to international calls to your home.

Campaigns/benefits

  • au Smart Value
  • UQ mobile home set discount
  • WEB Gentei Start Wari
  • WEB Toku
  • Basic installation fee free
Promotions/Benefits

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Applications and Inquiries

申请・咨询

phone call
050-3092-3161 9:00 a.m. - 6:00 p.m. [Closed all year round] / Available translations

신청·문의

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050-3092-3161 AM9:00-PM6:00【연중무휴】／통역 있음

Ứng dụng / Yêu cầu

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050-3092-3161 AM9:00-PM6:00【aberto todo o ano】／com intérprete

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Your Contract
(JAPANESE ONLY)

Inquiries

联系我们

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Hỏi đáp

Consultar

Find the perfect
plan for you

Savings
 calculator

Some properties offer free or discounted options!

Covered
areas & properties

[Notes]
  • Service specifications may vary depending on the area and building.
  • J:COM PHONE Plus is an IP phone service that uses the latest VoIP technology.
  • Separate universal service charges, telephone relay service charges and call charges are required.
  • All images, screens, and illustrations are images.
Close

[About the amount including tax]

  • Consumption tax differences may occur due to changes in the consumption tax rounding method under the invoice system.