End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
【北海道断熱技術認証「BIS」 講習・試験、仙台開催へ】 http://kochihen.replan.ne.jp/?p=18159