SIGNAL下载 CAN BE FUN FOR ANYONE

来尝试一种别样的通讯体验吧。Signal 不仅提供各种常见的功能，还尤为注重隐私安全。Be your self - You can utilize your existing phone number and address book to securely talk to your friends.The signal for a race to begin is usually the firing of a gun. 赛跑常以发令枪响作为开始的信号。TextSecure permi