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.
https://123deta.com/document/q7w8kxnz-2章照会条件入力単独入力選択ます文献番号範囲指定照会する場合.html