| Feature/Service |
Notes/Remarks |
Telecommunication
service |
ISDN |
The ISDN terminal adapter for the specially-designed ISDN telephone cannot be used.
The ISDN sub address message arrival feature (putting a (*) after the other party's telephone number) cannot be used.
DSU and TA (specific to ISDN) cannot be used. |
| G4 Fax |
It may be possible to get a G3 Fax to work. |
| L Mode |
It is possible to use a regular telephone using an L mode terminal as it is. |
| Packet Transmission |
|
| UUI |
|
| Off talk communication service (A telephone line for disaster prevention broadcasting of municipality etc. using line). |
Please contact the service donor (gas company, security company, etc.) if you are a customer and you are uncertain if they are using this service.
The charge may be generated irrespective of use. |
| No-ring communication service (remote meter-reading and control service for electricity, gas, and water.)
|
| Signal watch communication service (security service etc.).
|
| Telephone call function and service |
Triophone |
|
| Denwa-ban |
|
| Number info #136 and empty info #159.
|
|
| Speed dialing function of push line.
|
The push-button telephone functions other than the speed dialing can be used. |
| Magic box/voice warp selector |
|
| Partial use of voice warp function |
When transferring a call without responding, after answering, the forwarding function no longer work.
|
| Function and service concerning your telephone number |
Double number service |
|
| I- number |
|
| Representative union |
|
| Direct dialing |
|
| Function and service that KDDI or the other companies provides |
ADSL service |
Since there is a fixed charge that is generated for that service every month, please make sure you follow the procedures for canceling the service. |
| My line service (My line/My line Plus service) |
This service is automatically cancelled at the same time this service is opened. |
| Various discount services that accompany application telephone number. |
The fixed price might be generated, and follow a procedure for the cancellation, please make sure you follow the procedures for canceling the service.
* In the case of KDDI's Telephone and discount service, it will be automatically cancelled. (In some cases a return pack will sent).
However, if you have a discount service like Talk2 and you switch the telephone number to this service via number portability, a 25% discount will be applied to future international phone calls that make use of the KDDI card on your telephone line. |
| Tokin dial |
|
| Modem communication etc. |
Remote meter-reading and control service for electricity, gas, and water.
|
There are situations where it might not be possible to communicate information via the telephone number at the sending destination.
If necessary, please inquire with the appropriate service provider or company for assistance.
Click here for details. |
| Security service |
| Dial up internet connection |
| Other modem communication |
