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- Charges for IS series
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Discount Services (Voice: Other discount services)
One-year Discounted Subscription
Receive big discount on basic rates from the subscription month with a one-year commitment
From the moment of subscribing to this service, you can receive a 15% discount. Free calls remain the same but discount rates go up every year.
KDDI offers 7 rate plans for you to choose from according to your business needs. With One-year Discounted Subscription, you can receive great discounts from the first year!
15% discount from the time of subscription
Daytime Plan S
| Monthly basic rate | ¥4,000/month (¥4,200) | |
|---|---|---|
| Number of subscription years | 1st year | ¥3,400/month (¥3,570) |
| 2nd year | ¥3,360/month (¥3,528) | |
| 3rd year | ¥3,320/month (¥3,486) | |
| 4th year | ¥3,280/month (¥3,444) | |
| 5th year | ¥3,240/month (¥3,402) | |
| 6th year | ¥3,200/month (¥3,360) | |
| 7th year | ¥3,160/month (¥3,318) | |
| 8th year | ¥3,120/month (¥3,276) | |
| 9th year | ¥3,080/month (¥3,234) | |
| 10th year | ¥3,040/month (¥3,192) | |
| 11th year | ¥3,000/month (¥3,150) | |
| Calling rates | Weekday daytime: ¥20/min. (to au), ¥20/min. (to non-au) Other than weekday daytime: ¥48/min. (¥21, ¥21, ¥50.4) |
|
- * Charges in parentheses include consumption taxes.
Daytime Plan L
| Monthly basic rate | ¥9,500/month (¥9,975) | Free calls worth ¥5,200 (¥5,460) <Max: 520 min. [1]> |
|
|---|---|---|---|
| Number of subscription years | 1st year | ¥8,075/month (¥8,478) | |
| 2nd year | ¥7,980/month (¥8,379) | ||
| 3rd year | ¥7,885/month (¥8,279) | ||
| 4th year | ¥7,790/month (¥8,179) | ||
| 5th year | ¥7,695/month (¥8,079) | ||
| 6th year | ¥7,600/month (¥7,980) | ||
| 7th year | ¥7,505/month (¥7,880) | ||
| 8th year | ¥7,410/month (¥7,780) | ||
| 9th year | ¥7,315/month (¥7,680) | ||
| 10th year | ¥7,220/month (¥7,581) | ||
| 11th year | ¥7,125/month (¥7,481) | ||
| Calling rates | Weekday daytime: ¥10/min. (to au), ¥15/min. (to non-au) Other than weekday daytime: ¥30/min. (¥10.5, ¥15.75, ¥31.5) |
||
- * Charges in parentheses include consumption taxes.
Plan LL
| Monthly basic rate | ¥15,000/month (¥15,750) | Free calls worth ¥12,000 (¥12,600) <Max: 800 min. [1]> |
|
|---|---|---|---|
| Number of subscription years | 1st year | ¥12,750/month (¥13,387) | |
| 2nd year | ¥12,600/month (¥13,230) | ||
| 3rd year | ¥12,450/month (¥13,072) | ||
| 4th year | ¥12,300/month (¥12,915) | ||
| 5th year | ¥12,150/month (¥12,757) | ||
| 6th year | ¥12,000/month (¥12,600) | ||
| 7th year | ¥11,850/month (¥12,442) | ||
| 8th year | ¥11,700/month (¥12,285) | ||
| 9th year | ¥11,550/month (¥12,127) | ||
| 10th year | ¥11,400/month (¥11,970) | ||
| 11th year | ¥11,250/month (¥11,812) | ||
| Calling rates | All day: ¥15/min. (¥15.75) | ||
- * Charges in parentheses include consumption taxes.
Plan L
| Monthly basic rate | ¥9,500/month (¥9,975) | Free calls worth ¥6,300 (¥6,615) <Max: 262 min. [1]> |
|
|---|---|---|---|
| Number of subscription years | 1st year | ¥8,075/month (¥8,478) | |
| 2nd year | ¥7,980/month (¥8,379) | ||
| 3rd year | ¥7,885/month (¥8,279) | ||
| 4th year | ¥7,790/month (¥8,179) | ||
| 5th year | ¥7,695/month (¥8,079) | ||
| 6th year | ¥7,600/month (¥7,980) | ||
| 7th year | ¥7,505/month (¥7,880) | ||
| 8th year | ¥7,410/month (¥7,780) | ||
| 9th year | ¥7,315/month (¥7,680) | ||
| 10th year | ¥7,220/month (¥7,581) | ||
| 11th year | ¥7,125/month (¥7,481) | ||
| Calling rates | All day: ¥12/30sec. (¥12.6) | ||
- * Charges in parentheses include consumption taxes.
Plan M
| Monthly basic rate | ¥6,600/month (¥6,930) | Free calls worth ¥4,050 (¥4,252) <Max: 144 min. [1]> |
|
|---|---|---|---|
| Number of subscription years | 1st year | ¥5,610/month (¥5,890) | |
| 2nd year | ¥5,544/month (¥5,821) | ||
| 3rd year | ¥5,478/month (¥5,751) | ||
| 4th year | ¥5,412/month (¥5,682) | ||
| 5th year | ¥5,346/month (¥5,613) | ||
| 6th year | ¥5,280/month (¥5,544) | ||
| 7th year | ¥5,214/month (¥5,474) | ||
| 8th year | ¥5,148/month (¥5,405) | ||
| 9th year | ¥5,082/month (¥5,336) | ||
| 10th year | ¥5,016/month (¥5,266) | ||
| 11th year | ¥4,950/month (¥5,197) | ||
| Calling rates | All day: ¥14/30sec. (¥14.7) | ||
- * Charges in parentheses include consumption taxes.
Plan S
| Monthly basic rate | ¥4,700/month (¥4,935) | Free calls worth ¥2,000 (¥2,100) <Max: 62 min. [1]> |
|
|---|---|---|---|
| Number of subscription years | 1st year | ¥3,995/month (¥4,194) | |
| 2nd year | ¥3,948/month (¥4,145) | ||
| 3rd year | ¥3,901/month (¥4,096) | ||
| 4th year | ¥3,854/month (¥4,046) | ||
| 5th year | ¥3,807/month (¥3,997) | ||
| 6th year | ¥3,760/month (¥3,948) | ||
| 7th year | ¥3,713/month (¥3,898) | ||
| 8th year | ¥3,666/month (¥3,849) | ||
| 9th year | ¥3,619/month (¥3,799) | ||
| 10th year | ¥3,572/month (¥3,750) | ||
| 11th year | ¥3,525/month (¥3,701) | ||
| Calling rates | All day: ¥16/30sec. (¥16.8) | ||
- * Charges in parentheses include consumption taxes.
Plan SS
| Monthly basic rate | ¥3,600/month (¥3,780) | Free calls worth ¥1,000 (¥1,050) <Max: 25 min. [1]> |
|
|---|---|---|---|
| Number of subscription years | 1st year | ¥3,060/month (¥3,213) | |
| 2nd year | ¥3,024/month (¥3,175) | ||
| 3rd year | ¥2,988/month (¥3,137) | ||
| 4th year | ¥2,952/month (¥3,099) | ||
| 5th year | ¥2,916/month (¥3,061) | ||
| 6th year | ¥2,880/month (¥3,024) | ||
| 7th year | ¥2,844/month (¥2,986) | ||
| 8th year | ¥2,808/month (¥2,948) | ||
| 9th year | ¥2,772/month (¥2,910) | ||
| 10th year | ¥2,736/month (¥2,872) | ||
| 11th year | ¥2,700/month (¥2,835) | ||
| Calling rates | All day: ¥20/30sec. (¥21) | ||
[1] The calling time indicates the maximum possible free calling time, and may vary with your actual usage conditions.
* Charges in parentheses include consumption taxes.
Please read before applying for the service
- * The term of contract for "One-year Discounted Subscription" is a one-year unit, with the subscription month counted as the first month.
- * The discount amounts correspond to the number of years subscribed to au. Please see the above lists for the discounted monthly basic rates for each rate plan. In case the rate plan was changed, the discount amount applied will be based on the new rate plan.
- * In case of terminating or pausing the mobile phone service or "One-year Discounted Subscription (One-year Discounted Subscription" within the 1-year contract period, regardless of the number of subscription years, it will cost a cancellation charge of ¥3,000 (¥3,150 with tax). The discount is applicable for the canceled month unless it is a renewal month.
- * If no application to cancel "One-year Discounted Subscription" is made, the contract will automatically be renewed for a one-year unit.
Business Discount
Basic rate 25% off [3]
Domestic calls made to mobile phones contracted under the same contractor name are free 24 hours [4] and Video Phone calls are 60% off [5].
SMS (C-mail) to mobile phones contracted under the same contractor name is free
Remaining free call time can be shared [6]
- [3] Excluding "Plan F (IS) Simple/Plan F (IS)." The discount amounts are restricted to ¥390/month for "Plan F (IS) Simple" and ¥810/month for "Plan F (IS)." When combined with "Everybody Discount," "Everybody Discount" is given priority over "Business Discount." Note that discount on basic rate offered by "Business Discount" is not applied.
- [4] Domestic calls to group-registered mobile phones are free on condition of subscription to both "Business Discount" and "Everybody Discount." If the conditions are not met, please note that domestic calls made between group-registered mobile phones will not be free of charge. "Group-registered mobile phones" indicate mobile phones subscribed to "Business Discount" under the same contractor name. Contract with "Business Discount" allows 2 to 10 lines under the same contractor name as 1 group. Charges for video phone calls, group video phone calls, CDMA prepaid card calls and non-domestic calls are not eligible for discount.
- [5] Charge for group video phone calls is not discounted.
- [6] In case of "Sharing Course." Non free-call charges for packet communication and international calls including au international calling service rate, charges for Global Passport CDMA and Global Passport GSM calls and data communication from abroad cannot be applied to free calls of other group-registered mobile phones. Remaining free calls of mobiles phones subscribed to packet communication flat rate and discount services cannot be applied to packet communication charges for other group-registered mobile phones. "Sharing Course" requires application. "CARRY OVER course" is also available.
| Number of lines | Monthly flat rate |
|---|---|
| 2-10 lines | Free |
- * Application for "Business Discount" allows 2 to 10 lines under the same contractor name as 1 group.
- * Services are applied from the month of application submission; however, depending on the timing of receipt, the services may be applied from the month following the month the application was submitted.
- * If you are subscribed for both "Everybody Discount" and "Business Discount," the basic rate discount of "Everybody Discount" is applied, and all domestic calls within the group (to employees of the same company) are free (Calls made from Video Phones are 60% off) and SMS (C-mail) is free. If you have selected the "Sharing Course," you can share free calls among users within the group (employees of the same company).
- * If you have applied for consolidated billing for calling invoice, the consolidated bill will be sent to the designated address.
- * "Group Discount" and "Call Wide" services are not available.
- * If you are subscribed to "Simple Plan," discount is not applied to the basic rate.
- * When you cancel "Business Discount," the discount is applied up to the end of the previous month.
- * In a case where a subscriber to "Business Discount" changing a line to another course results in having only 1 line in the "Sharing Course" within the same group, this line will not be automatically switched to "CARRY OVER course." An application is required to switch courses.
- * If you change your courses from "Sharing Course" to "CARRY OVER course" and vice versa, the new course will apply starting from the subsequent month.
INDEFINITE-PERIOD CARRY OVER
Remaining free calls can be indefinitely carried over
With this service, you can carry over remaining free calls on your plan indefinitely. The carry-over period is indefinite, but there is a limit to the carry-over amount of free calls.
- * If a calling charge does not exceed the free call, free call is applied to the packet communication charge unless you are subscribed to a packet communication discount service.
- * If you cancel or pause the service, the amount carried over will become void.
Carry over limit by rate plan
(Unit: ¥/with tax)
| Rate plan | Carry over limit |
|---|---|
| Plan SS Simple/Plan SS | 5,250 |
| Plan S Simple/Plan S | 10,500 |
| Plan M Simple/Plan M | 15,750 |
| Plan L Simple/Plan L | 21,000 |
| Plan LL Simple/Plan LL | 37,800 |
| Daytime Plan L Simple/Daytime Plan L | 16,800 |
- *Amount remaining from the previous rate plan can be carried over to the new rate plan. However, free call carried over to the month following the month the new rate plan is applied will be within the range of "carry over limit" of the post-switch rate plan.
- * This service does not apply to the following courses that have no free call allowance: "Plan E," "Plan E Simple," " Plan F (IS)," "Plan F (IS) Simple," "Daytime S," "Daytime S Simple," "Simple Plan S," "Simple Plan L," "Standard Plan," "Chotto CALL," and "Support Plan." Besides, free calls provided by the "PacketWIN Simple Service" are not eligible for this service.
[When switching rate plans within the same system]
- * When switching rate plans within the same system, the service will be applicable from the following month.
[When switching rate plans by switching the system]
- * When switching rate plans by switching the system, the service will be applied from the date the switch is made.
- * For the month the rate plan was changed, the free call carried over from the previous month can be applied to the amount remaining after the free call deduction (per diem calculation) for the previous rate plan and the amount remaining after the free call deduction (per diem calculation) for the new rate plan. However, the remaining free call (per diem calculation) of the current month cannot be applied to either of the free call-exceeded rate plans, and will be carried over to the following month.
Business Economy Plan
Subscribe to "Everybody Discount" + "Daytime Plan S" and get a basic rate of ¥1,890 (with tax)!
Weekday daytime calling charge is ¥21/min. (with tax)!
A rate plan with reasonable basic rate and weekday daytime calling charges.
This service is perfect for corporate customers who frequently use the phone during business hours between 8 a.m. and 7 p.m. on weekdays.
Calling charges are metered rate
By paying for the amount used, you can use our mobile phone service with the best rate in accordance with the frequency of use, saving on monthly calling charges.
(Unit: ¥)
| Monthly basic rate | Calling charge | |
|---|---|---|
| Weekday daytime (8 a.m. to 7 p.m.) |
Weekday nighttime (7 p.m. to 8 a.m.) |
|
| 1,800 (1,890) | 20 (21) | 48 (50.4) |
- * Charges in parentheses include consumption taxes.
- * When subscribing to this service, application for both "Daytime Plan S" and "Everybody Discount" is required.
- * When you cancel or pause the service, regardless of the number of subscription years, it will incur a cancellation charge of ¥9,500 (¥9,975 with tax).
- * This service will be listed on the bill as "Everybody Discount" and "Daytime Plan S."
Business Call Flat Rates
Recommended for business users who frequently make calls among corporate members.
Enables users to make as many calls as needed [1] between au mobile phones, an au mobile phone and KDDI phone, and KDDI phones [2] registered as a group [3]! An attractive flat rate service for business calls [4].
- [1] If a call lasts for more than 90 minutes, calling charges are incurred at a metered rate.
- [2] Limited to phone lines under contract with au Hikari Business ("au HIKARI Chura Business" in Okinawa), KDDI Hikari Direct, KDDI-IP phone, and KDDI METAL PLUS (for business).
MYLINE services (MYLINE, MYLINE PLUS) are not applicable. - [3] Number of lines to be registered
<When calling from an au mobile phone>
2-1,000 lines in total including KDDI phones and au mobile phones. - [4] <When calling from a KDDI phone>
To use this service, a contract of one or more KDDI phone channel (s) and one or more au mobile phone line (s) under the same corporate name is required.
Up to 1,000 lines of au mobile phones can be registered.
Group Discount
Basic rate up to 28% off
If subscribed under the same corporation, lines for varying branches, departments and contract area will also be eligible for discounts.
Discount rate is 15-28%. Payment can be made collectively by the company, by branch or by department.
- * Discount rate for the "Plan F (IS) Simple/Plan F (IS)" is uniform regardless the number of lines: the discount amounts are ¥390/month (with tax) for "Plan F (IS) Simple" and ¥810/month (with tax) for "Plan F (IS)."
- * To use this service, subscription with more than 1 au mobile phone line is necessary. au mobile phones subscribed under a contractor should only be used for the business purposes of that contractor.
- * Consolidated billing is not available with lines contracted in Okinawa.
| Number of lines | Flat rate | Discount rate of basic charge |
|---|---|---|
| 2-4 lines | Free | 15% off |
| 5-49 lines | 20% off | |
| 50-999 lines | 25% off | |
| 1,000 lines or more | 28% off |
Discount rate of "One-year Discounted Subscription" when "Group Discount" and "One-year Discounted Subscription" are combined
| 1st year | 2nd year | 3rd year | 4th year | 5th year | 6th year | 7th year | 8th year | 9th year | 10th year | 11th year and on | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Discount rate | 15% | 16% | 18% | 19% | 20% | 22% | 24% | 26% | 28% | 30% | 32% |
Discount rate when "Group Discount" and "One-year Discounted Subscription" are combined
| Number of lines | Years of subscription | |||||
|---|---|---|---|---|---|---|
| 1 year | 2 years | 3 years | 4 years | 5 years | 6 years | |
| 2-4 lines | 27.7% | 28.6% | 30.3% | 31.1% | 32.0% | 33.7% |
| 5-49 lines | 32.0% | 32.8% | 34.4% | 35.2% | 36.0% | 37.6% |
| 50-999 lines | 36.2% | 37.0% | 38.5% | 39.2% | 40.0% | 41.5% |
| 1,000 lines or more | 38.8% | 39.5% | 40.9% | 41.6% | 42.4% | 43.8% |
| Number of lines | Years of subscription | |||||
|---|---|---|---|---|---|---|
| 7 years | 8 years | 9 years | 10 years | 11 years and on | ||
| 2-4 lines | 35.4% | 37.1% | 38.8% | 40.5% | 42.2% | |
| 5-49 lines | 39.2% | 40.8% | 42.4% | 44.0% | 45.6% | |
| 50-999 lines | 43.0% | 44.5% | 46.0% | 47.5% | 49.0% | |
| 1,000 lines or more | 45.2% | 46.7% | 48.1% | 49.6% | 51.0% | |
- * The above discount rates are truncated to the first decimal place.
For example, in case of "Daytime Plan L," combining "One-year Discounted Subscription" and "Group Discount" would give greater discounts.
When "Group Discount" and "One-year Discounted Subscription" are combined for "Daytime Plan L"
Monthly charge (Unit: ¥)
| Number of lines | Years of subscription | |||||
|---|---|---|---|---|---|---|
| 1 year | 2 years | 3 years | 4 years | 5 years | 6 years | |
| 2-4 lines | 6,863 (7,206) |
6,783 (7,122) |
6,621 (6,952) |
6,540 (6,867) |
6,460 (6,783) |
6,298 (6,612) |
| 5-49 lines | 6,460 (6,783) |
6,384 (6,703) |
6,232 (6,543) |
6,156 (6,463) |
6,080 (6,384) |
5,928 (6,224) |
| 50-999 lines | 6,056 (6,358) |
5,985 (6,284) |
5,842 (6,134) |
5,771 (6,059) |
5,700 (5,985) |
5,557 (5,834) |
| 1,000 lines or more | 5,814 (6,104) |
5,745 (6,032) |
5,608 (5,888) |
5,540 (5,817) |
5,472 (5,745) |
5,335 (5,601) |
- * Charges in parentheses include consumption taxes.
Monthly charge
| Number of lines | Years of subscription | |||||
|---|---|---|---|---|---|---|
| 7 years | 8 years | 9 years | 10 years | 11 years and on | ||
| 2-4 lines | 6,137 (6,443) |
5,975 (6,273) |
5,814 (6,104) |
5,652 (5,934) |
5,491 (5,765) |
|
| 5-49 lines | 5,776 (6,064) |
5,624 (5,905) |
5,472 (5,745) |
5,320 (5,586) |
5,168 (5,426) |
|
| 50-999 lines | 5,415 (5,685) |
5,272 (5,535) |
5,130 (5,386) |
4,987 (5,236) |
4,845 (5,087) |
|
| 1,000 lines or more | 5,198 (5,457) |
5,061 (5,314) |
4,924 (5,170) |
4,788 (5,027) |
4,651 (4,883) |
|
- * Charges in parentheses include consumption taxes.
- * Calling charge per line after discount
- * The actual charges are calculated using the tax amount calculated from the total amount of the individual tax-excluded charges, and therefore may differ from the total of the individual tax-included charges. Tax-included charges are truncated to whole numbers.
Please read before applying for services
- * au mobile phones subscribed under a contractor should only be used for the business purposes of that contractor.
- * Services are applied from the month the application is submitted, however, depending on the timing of receipt, the services may be applied from the month following the month the application is submitted.
- * When this service is combined with "One-year Discounted Subscription," the "au Long-term Preferential Discount" or the "au Long-term Discount Service," the "Group Discount" is deducted from the basic charge, to which the discounts of "One-year Discounted Subscription," the "au Long-term Preferential Discount" or the "au Long-term Discount Service" has been applied.
- * When you cancel "Group Discount," the discount is applied up to the end of the previous month.
- * Discount amount for the "Plan F (IS) Simple/Plan F (IS)" is equal to the amount of "One-year Discounted Subscription + Business Discount" regardless the number of lines.
Call Wide
Calling charge is up to 30% off
Calling charge is greatly discounted according to the group total charge. The discount rate is 15-30%.
| Group total calling charge (pre-tax) | Flat rate | Discount rate |
|---|---|---|
| Under ¥200,000 | ¥3,000 (¥3,150) /group |
15% off |
| ¥200,000 to Under ¥1,000,000 | 20% off | |
| ¥1,000,000 to Under ¥3,000,000 | 25% off | |
| ¥3,000,000 to Under ¥5,000,000 | 28% off | |
| ¥5,000,000 or over | 30% off |
- * Charges in parentheses include consumption taxes.
Please read before applying for services
- * Calling charges for video phones (including group video phones) are also discounted.
- * Packet communication charge, international calling charge, and Global Passport CDMA calling charge are not eligible for discount.
- * Services are applied from the month the application is submitted, however, depending on the timing of receipt, the services may be applied from the month following the month the application is submitted.
- * au mobile phones subscribed under a contractor should only be used for the business purposes of that contractor.
- * You will be asked to decide which line to be billed at flat rate. In case of stopping or canceling that line, you will be asked to choose another line.
- * In the "Free call plan," calling charges for calls that exceeded the free call time are eligible for discount.
- * Flat rate for "Call Wide" is not calculated on a per diem basis.
- * When you cancel "Call Wide," the discount is applied up to the end of the previous month.
In-group Calling Discount
Notice
New applications for the "In-group Calling Discount" service are no longer acceptable as the application period was terminated on January 31, 2011 (Mon).
Please note that the current users can continue receiving the benefits of the "In-group Calling Discount" service.
10% off calling charges for calls made from and to au mobile phones in the registered group or calls from registered au mobile phone to fixed-line
Calling charges that free call is applied to in the rate plan are also counted for the purposes of discounts.
Fixed-line that are using the KDDI communication service [1] can also be registered to a group.
Combine with other discount services, such as Group Discount and Call Wide to receive better deals.
- [1] Only fixed-line subscribed to KDDI Hikari Direct, KDDI METAL PLUS (for business offices) or KDDI-IP phones are eligible for discount. MYLINE services (MYLINE, MYLINE PLUS) are not eligible for this discount.
(Unit: ¥)
| Flat rate |
|---|
| ¥1,000/month (¥1,050) per group [2] |
- * Charges in parentheses include consumption taxes.
- [2] When 2-99 lines are registered as a group. Every 100 lines cost an additional ¥1,000/month (¥1,050 with tax). The maximum number of lines that can be registered in one group is 999 lines.

- * This service is only available when more than 1 line is registered as a group under the same contractor and the registered au mobile phones are used only for the business purposes of the contractor.
- * Services are applied from the month the application is submitted, however, depending on the timing of receipt, the services may be applied from the month following the month the application is submitted.
- * This discount service is applicable with "One-year Discounted Subscription," "Group Discount" or "Call Wide."
- * This discount service is not applicable with "Business Call Flat Rates."
- * You can combine this discount with "Call Designation Discount" and "My Home Discount" (hereafter "other discount services"), however, the other discount services are preferentially applied and this discount may not be applied.
- * You will be asked to decide which line is to be billed at flat rate. In case of stopping or canceling that line, you will be asked to choose another line.
- * EZweb communication charges, packet communication charges, Global Passport CDMA calling charges, international calling charges (including au international calling charges) and prepaid calling charges are not eligible for this discount.
- * Flat rate for this discount is not calculated on a per diem basis.
- * When you cancel "In-group Calling Discount," the discount is applied up to the end of the previous month.

