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://123dok.co/document/y96r953r-서비스-산업에서-고객-서비스-불평-회복과-사후행동의-구조적.html