[Maintenance Notice]
We will have a server maintenance during the following time. The SkyPhone service will be available, but the maintenance might cause instability in the service during the time.
We are very sorry for any inconvenience this may cause you and appreciate your understanding.
Maintenance Period: Tuesday, June 23, 2026, 9:00 am – 12:00 noon (JST)
The data usage of SkyPhone calls is as follows.
Voice Calls:
About 0.6MB with standard quality sound (set by default) and about 1.2 MB with high quality sound
Video Calls:
About 8.6 MB with standard quality sound
Note: As for video calling, we recommend that you use Wi-Fi.
If you need our support, click here to contact us.
Business hours to reply to your message: Monday to Friday 10:00 AM to 5:00 PM (JST), except for national holidays