OK050 app for iPhone and iPad

OK050 is the official IP phone (VoIP) app for Asian Nets 050 service.
The OK050 service is a service that can be used at low rates for phone numbers in Japan and overseas.
To use OK050, you need to apply for the OK050 service.

Features of OK050:
-OK050 Free calls between users
-Obtaining a Japanese 050 number that can be used for incoming calls
-Customers can use it immediately by entering their SIP account and password.
-Since you can receive calls by push notification even if the app is not running, you do not need to keep the app running in the background, and it is possible to reduce battery consumption.

Main functions of OK050
-IP phone with a phone number starting with 050 (outgoing / incoming)
-Push notification function (no need to start in the background)
-Mute, speaker, hold function
-Call history display function
-Phonebook function