Home > Service Guide > Other Services > IP Phones
IP Phones
IP phones can be called from anywhere in Japan (some services are not available).
How to Call IP Phones
| 050 (prefix) |
+ | XXXX-XXXX (subscriber's number) |
|---|
- Dialing charges vary depending on the IP phone carrier.
- Calls cannot be made from NTT East fixed-line phones to IP phone carriers that are not mutually connected to NTT East.