Metal-plus Phones

Add-on services

KDDI provides an assortment of add-on services to upgrade Metal-plus Phone convenience in your home. And applying is easy with our online application process.

Incoming number displayPay
Incoming number display

Display the phone number from incoming calls on your phone [1].
(Equivalent to NTT's "number display")

Monthly usage rates
¥400
  1. [1]
    Your telephone needs to be compatible with Incoming number display (NTT's "number display").

Open link in a new windowApply for incoming number display
(in Japanese only)

Call-waitingPay
Call-waiting

Take calls that come in while you are already talking.
(Equivalent to NTT's "catch-phone")

Monthly usage rates
¥300

Open link in a new windowApply for call-waiting (in Japanese only)

Caller ID requestPay
Caller ID request

When someone calls with a caller ID block, a voice message requesting the caller to call back without the block plays automatically.
(Equivalent to NTT's "number request")

Monthly usage rates
¥200
  • This add-on requires you to also be contracted for Incoming number display.

Open link in a new windowApply for caller ID request (in Japanese only)

Call-waiting number displayPay
Call-waiting number display

Display on your phone [2] the phone number for calls that come in while you are already talking.
(Equivalent to NTT's "catch-phone display")

Monthly usage rates
¥100
  1. [2]
    Your telephone needs to be compatible with Call-waiting number display (NTT's "catch-phone display")
  • This add-on requires you to also be contracted for both Call-waiting and Incoming number display.

Open link in a new windowApply for call-waiting number display
(in Japanese only)

Nuisance call blockingPay
Nuisance call blocking

With a voice message, refuse calls automatically from phone numbers you do not wish to answer. Your phone won't even bother you with a ring!
(Equivalent to NTT's "Meiwaku Denwa Okotowari service")

Monthly usage rates
¥700

Open link in a new windowApply for nuisance call blocking (in Japanese only)

Call forwardingPay
Call forwarding

No more worrying about incoming calls when you go out. Have your incoming calls automatically forwarded to a preset phone number, like your mobile phone.

Monthly usage rates
¥500

Open link in a new windowApply for call forwarding (in Japanese only)

Check KDDI incoming call history with your au mobile phoneFree
Check KDDI incoming call history with your au mobile phone

Calls that come in to your Metal-plus Phone when you are not at home or when you are using the line show up on the call history list for your au mobile phone or through SMS (C-mail).

Monthly usage rates
Free

Apply for checking KDDI incoming call history with your au mobile phone

Non-applicable Add-on services

The following services are unavailable.。

Functions & services Precautions & notes
Communications functions & services ISDN When changing to the Metal-plus Phone service from a line currently using INS Internet 64, please be aware of the following.
  • Your service will be switched to an analog line. You cannot use ISDN.
  • If you use 2ch, please be aware that 1ch (line) will be used.
  • You cannot use ISDN dedicated phones or ISDN dedicated terminals.
  • You cannot use ISDN subaddress calling (attaching a "*" mark on the end of a phone number when calling), etc.
G4 FAX transmission/Super G3 FAX transmission You can use most G3 faxes.
L-mode You can use a standard telephone using an L-mode terminal as is.
Packet communications  
User-To-User Information (UUI)  
Off talk communication service (disaster prevention broadcasting by local governments that uses phone lines, for example) If you are already using one of these services, or have any questions about them, contact your individual service provider (gas company, security company, etc.). In some cases you may be charged even if you are not using a specific service.

Open link in a new windowCommunication to gas meter-reading services or security companies available for the Metal-plus Phone service

No ringing communication service (remote meter-reading and controls for electricity, gas, water, etc.)
Signal monitoring transmission services (security services, etc.)
Calling functions & services Trio-phone  
Denwaban  
Last caller announcement 136 & Open line notification 159  
Push button phone line speed dial function You can use push-phone functions other than speed dial.
Magic box, Voice warp select, etc.  
Some Voice warp functions You cannot use the call forward on no answer and call forward after answering.
Telephone number related functions & services 2-number service  
i-numbers  
Group network line  
Dial-in  
Functions & services provided by KDDI or other companies ADSL service from a provider other than KDDI Fixed fees will be incurred, so you should complete cancellation processing.
MYLINE service (MYLINE and MYLINE PLUS) This automatically terminates when you start the Metal-plus Phone service.
Various discount services attached to the applying phone number Fixed fees may be incurred, so you should complete cancellation processing.
  • KDDI phone usage agreements and discount services will terminate automatically (excluding some services such as "Kakedoku Pack"). However, if you switch a phone number that is subscribed to a discount service like DANZEN TALK II to the Metal-plus Phone service through number portability, a 25% discount will be applied to the usage fee for international calls using a KDDI card charged to that phone number.
Token dial  
Modem transmission, etc. Remote meter-reading for electricity, gas, water, etc. In some cases, you will not be able to use these services due to the callee's phone number or communications format.
If necessary, contact the service provider or manufacturer.
Security services
Internet connection services via dial-up connections
Modem transmission, etc.
  • Some services not listed above may also not be available for use. Contact KDDI if you have any questions.
  • You can use the SKY PerfecTV! PPV (pay-per-view) service. However, because this service uses modem transmissions, it can be effected by your home environment, transmission equipment, and line condition. Also, if you use ADSL one, you may have to purchase a splitter (purchase at: http://shop.aterm.jp/spl/) or change your connection structure.
  • All company names, product names, and service names herein are trademarks or registered trademarks of their respective companies.
  • All of the indicated amounts exclude tax unless otherwise specified.