rain talk 对比 SmartSense 的使用情况和统计数据

Upgrade your calling experience with raintalk! An exclusive service offered only to rainone mobile users. rain's new 4G only mobile network doesn't rely on outdated 2G or 3G technology, enabling rainone customers to enjoy high-definition calling with the use of VoLTE technology. However, If your mobile device is not compatible with VoLTE, you can still access HD calling through raintalk without having to upgrade your smartphone. Features: easy to use It’s the same as any built-in dialler. HD calls without having to upgrade your phone All rainone customers can enjoy rain talk HD calls You can still enjoy HD calls even if your phones is not VoLTE compatible