[A] They are ICS Domestic
calling services.
The Basic Plan: Anywhere in Japan 3 minutes 20 yen (When registered
with My LIne same prefecture, other city calling is 10 yen per
3 minutes).
The Business Plan: Anywhere in Japan 1 minute 8 yen (with My Line
same prefecture, other city calling is 8 yen per 2 minutes).